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Expert Answers about Ford Wiring


  • Multimeter Recommendation for Testing Voltage Drop of Brake Controller Install
  • You're going to want to use a multimeter like the # BTMT15 which will show exactly what the voltage is on the brake output pin of the 7-way. Otherwise without knowing what the voltage is exactly it's hard to speculate why there would be an unknown potential voltage drop. Measure the voltage near the controller like you did and on the output pin and let me know what's going on. Keep in mind that this is proportional controller so the only way you'll see full voltage on that pin is with...
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  • Replacement Wiring Connector and Bracket for 2008 Ford F-150
  • Connector Socket and Bracket # HM40975-11998 has a pigtail harness which hard wires into your vehicle and connects to your 7-way socket; this is not normally necessary for a truck with a factory 7-way which is why it is not a confirmed fit for a 2008 Ford F-150 with factory 7-way. If you needed to hard wire a harness you would be able to use this part. Alternatively, if you simply needed new connectors you could use a plug-in option, the T-Connector Vehicle Wiring Harness for Factory Tow...
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  • Wiring Adapter for 2017 Ford Super Duty with Bulb Out Sensors
  • Yes, the Tow Ready 7-Way to 5-Way/4-Way Trailer Adapter # TR20141 should correct the hyper-flashing that happens when high-efficiency LED lights are connected to a circuit that is intended for the higher power draw of incandescent lights. This should keep your bulb-out sensors from being a nuisance. In the event that this adapter does not correct the issue with your deck you can use individual load resistors at each LED light. Examples are parts # P230004C-2 and # P230004A-2. Either...
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  • Troubleshooting 2014 Ford F-150 7-Way with No 12V Trailer Power
  • If your F-150's 7-way socket no longer delivers +12V power there are a couple of potential causes. One is the relay, of course, which can be checked and replaced if necessary. In the 2014 F-150 the relay number 9 activates the trailer tow battery charge circuit. Another possibility is simply that there could be corrosion on the contacts or trapped foreign material inside the socket. Any electrical item exposed to the elements, such as 7-way wiring that can be hit with water and road...
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  • Parts Needed to Install Brake Controller in 2008 Ford F-150 with 4-Way
  • To install a brake controller in your 2008 Ford F-150 you would be able to use the brake controller port under the dash and you will need to complete the wiring at the rear of your vehicle to the 7-way at the rear of the truck. For a brake controller I would recommend the Prodigy P2 Brake Controller part # 90885. This is our best selling brake controller because of how well it works and how easy it is to setup. This is a proportional brake controller that senses the amount of braking...
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  • Troubleshooting No Power to 12V Pin on 2017 Ford F-250 7-Way Connector
  • If you are not receiving any power at the 12V pin on the 7-Way connector, then there may be a missing or damaged fused under the hood of your Ford F-250 that is needed to activate this circuit. I took a look at the online owner's manual for your 2017 Ford F-250 and found that there should be a 30 amp fuse located in the number 27 position in the power distribution box under the hood. This is the trailer tow battery charge relay. Check to make sure the fuse is not damaged or missing on...
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  • Trailer Running Lights Not Working After Installing New Lights and Wiring on Old Gooseneck Trailer
  • On a trailer side 7-Way blade style connector the running light wire is the one in the 11 o'clock position (if looking at the back of the connector where the wires attach). It is possibly a brown wire or a green wire but there isn't exactly a standard color code so testing the wires with a circuit tester such as # 3808 is the sure way to determine which wire is for running lights. If there is power on the running light wire but the trailer running lights do not work then it is most...
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  • What Does Second Brown Wire of a 4-Way Trailer Connector with 5 Wires Connect To
  • What you have a is a 4-way Wishbone trailer connector like part # A35W42B. The two brown wires are both the running light circuits. One needs to ran to each side of the trailer. This makes the wiring a little easier instead of having to run the brown wire to one side and then have a jumper wire to the other side.
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  • Adding a 4- and 7-Way Trailer Connector to a 2003 Ford F-150 with 4- and 5-Way Connectors
  • You won't have to replace all the wiring on your 2003 Ford F-250 to install a 7 and 4-Way connector. All you will need is # 37185. The 4-Way you have will plug into the 37185 (the 4-Way functions are retained). Then ground the white wire to the truck frame. To wire in the remaining wires you will first trace your 4-Way wiring forward under the truck where it plugs into another harness. Inside this harness there will be an orange wire and a blue wire. The orange wire will go to the 37185...
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  • Troubleshooting Ford F-250 Combination 4-Pole/7-Way Wiring for Boat Trailer
  • With the factory-installed combination 4-pole/7-way trailer connector on your 2016 Ford F-250 there is no switch to change between the two plug formats. Both the 4-pole and the 7-way will be active at the same time and can be used together, say for example with the 4-pole connected to a light bar or slide-in camper and the 7-way handling your towed boat trailer's connection. The lighting signals that are carried on the 4-pole are the same as those included in the 7-way, so if the lights...
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  • Installing Curt Wiring Harness In 2018 Ford F-150 With Aluminum Bed
  • I have a solution which is going to allow you to use your Curt # C56070 harness with your 2018 Ford F-150, though you will not want to use aluminum screws. Instead, you will just need the Curt Isolation Hardware Kit for 7-Way RV Plugs in Aluminum Truck Beds # C57007, which will give you just the 4 stainless steel bolts and 4 rubber well nuts that come with harness # C57008, but will not require you to purchase the entire harness.
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  • Is 37185 Correct Adapter to Use to Install Brake Controller in 2005 Ford F-150 with 4-Way
  • Since your 2005 Ford F-150 does have the factory 4-way what you have is the correct and best way to install the brake controller. The wiring is already present under the rear of your truck for installing the 7-way as well. I attached a picture and an FAQ article that details how to use it to connect to the # 37185.
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  • 7-Way Trailer Wiring Diagram Recommendation to Use as Guide for Wiring Up 7-Way
  • It's frustrating, but sometimes trailer wiring colors don't always match what the standard colors are supposed to be. In those situations you have to test the wires by function with a circuit tester like part # 3808 and then wire by function to a diagram of the connector like the picture I attached.
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  • Recommended 5-Way Vehicle Side Connection for Boat Trailer
  • For a nice clean connection, you can use the Hopkins Endurance 5-Way Flat Trailer Connector - Vehicle End - Ergonomic Design # HM47900 to connect to your 4-way wiring and then add the reverse power lead from behind your tail light. Another option is to use the Tow Ready 4 Pole to 5 Pole Trailer Wiring Adapter # 20036 which has just the 5th function wire to connect to your reverse signal. This adapter simply requires less splicing. I've attached a video of this install to assist. I've...
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  • Can 7-Way/4-Way HM40975 be Used in Fifth Wheel Gooseneck Truck Bed Wiring Harness
  • The only way to accomplish what you are looking to do is use the part # 40167 and then swap out the 7-way that comes with it for the # HM40975. We don't sell the # HM40975 in a gooseneck 7-way configuration because most people would not also need a 4-way up in the truck bed as well.
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  • Troubleshooting Ultra Fab Electric Trailer Jack
  • To test your jack, I recommend first checking your trailer battery for proper charge. The lights will require far less power than the motor, so lights may come on but you still may not have enough juice to power the motor. If the battery is not an issue, I recommend running a jump wire to your motor from the positive terminal of a 12V battery. The motor will have two 12V wires because the polarity will determine extending or retracting. If the motor functions, then you know you have...
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  • Replacement 7-Way Needed for 1996 Ford Van to Tow Trailer with 7-Way
  • If you need to replace the 7-Way on your 1996 Ford Van then I recommend going with the Hopkins Adapter 4-Pole to 7-Pole and 4-Pole # 37185. You can simple cut off the included 4-Way and splice this into your existing wiring if need be. You will want to attach the following colors to the following functions on your Van: Green - Right Turn/Stop Yellow - Left Turn/Stop Brown - Tail/Marker White - Ground Blue - Brake Controller Black - 12V Power Purple Auxilliary (usually Reverse) If...
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  • Troubleshooting Brake Controller Working When In Reverse But Power Interruption Moving Forward
  • It sounds like your wires are connected wrong. You most likely have your 12V power connected to your reverse light function which is why it is getting proper power in reverse, but is losing power when you shift to drive. I recommend using a circuit tester like # 3808 to determine the correct wire for 12V constant power to your controller and connecting the black wire of your brake controller wiring harness to that wire. I've attached a couple of articles to help you with the installation.
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  • How to Troubleshoot a Trailer Connector Without Power
  • If the trailer connector at the rear of your 1998 Ford F-150 is not receiving power, you will first want to check inside the connector for any dirt or debris. You can use electrical cleaner to clean the connector off, if needed. You will also want to give each of the wires leading into the connector a good wiggle to ensure they are properly attached. If the wires have come loose or the pins inside the connector are corroded, you can replace it using part # HM48190 for 4-way connectors or...
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  • Parts Needed to Add 7-Way to Trailer to Power Trailer Interior Lights
  • You'll have to convert the trailer to a 7-way so that it will have the 12 volt accessory circuit which will allow you to power the interior lights. The part # ET7WK is designed for exactly what you are looking to do so it would be the best option for adding the 7-way. You'll want to run a length of wire from the junction box for the 12 volt circuit to the interior lighting as needed.
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  • Installing a 7-Way Trailer Connector to Power a Trailers Brakes on a 2005 F-150 STX with a 4-way
  • If your 2005 Ford F-150 did not have a 7-way trailer connector from the factory then there, unfortunately, is not a connector to plug in an aftermarket 7-way. The # 118247 is only designed for the 2004 F-150. You can use the adapter # 37185 to convert your 4-way to a 7-way but you'll still need to connect the wiring. On some F-150s the brake circuit is already run along the frame rail but not all. And it can be difficult to locate even when it is. So we recommend using our # ETBC7...
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  • Troubleshooting Trailer Brakes Engaging When Flasher/Hazard Lights Are Turned On
  • In 7-way wiring the trailer brake circuit's contact/pin is next to the contact for the right turn/stop circuit. What can happen is that corrosion can build up on or inside either the truck socket or the trailer plug and this corrosive build-up can actually cause two adjacent circuits to become bridged together. If this happened between the right turn/stop circuit and the brake circuit applying your flashers would send a 12V signal to the brake circuit. Sometimes this corrosion (or trapped...
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  • Installing a 4-Way to 7-Way Trailer Wiring Adapter for Single Use
  • For a simple 4-way to 7-way adapter, I recommend the Tow Ready Adapter 4 Pole to 7 Pole Vehicle End Trailer Connector # 30717. This will allow you to plug your 4-way in easily and use those functions with a 7-way plug. If you only wish to use those functions, then you can simply connect the 4-way and the white ground wire and tape up the yellow reverse, blue brake, and black power wires. If you will be needing trailer brakes, you will still need to get a brake controller and connect...
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  • Availability of Longer Fifth Wheel 7-Way Trailer Wiring Kit for 2017 Ford F-350
  • The longest fifth wheel 7-way wiring kit is 10 feet long like the part # 41157 which would work well on your 2017 Ford F-350.
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  • Recommended Fifth Wheel Wiring Connection for 2017 Ford F-350 Super Duty
  • I spoke with a representative of Bargman, who told me that while # 50-97-410-010 will work with your 2017 Ford F-350 with the fifth wheel prep, there have been very, very rare occasions where it can read a trailer is connected when it is not. To avoid that issue, it is recommended that you use Bargman # 54701-007-010 for fifth wheel wiring with your '17 F-350. I've included a link to a video review of this product for you to take a look at.
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  • Trailer Tail Lights are not Working With 2003 F-250
  • According to the owner's manual, the "Trailer Tow Back-Up Lamps" fuse location is 39, and "Trailer Tow Park Lamps" is 38. The park lamps have a fuse amp rating of 20A, while the back-up lamps have a fuse amp rating of 15A.
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  • Trailer Lights Go Dim When Multiple Light Functions are Used at the Same Time
  • You are definitely on the right track for troubleshooting your trailer lights going dim. The first thing that we recommend doing is checking all of the grounds on your trailer making sure that they are secure and connected to a clean, bare metal surface. You will also want to check your vehicle and trailer connector to make sure that they are free of any debris or corrosion. The next thing to look at is to see if you have too many lights on your trailer. You can test this by disconnecting...
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  • Parts Needed to Install 7-Way on 2016 Ford F-150 with 4-Way
  • To install a brake controller in your 2016 Ford F-150 you would be able to use the brake controller port under the dash and you will need to complete the wiring at the rear of your vehicle to the 7-way at the rear of the truck. For a brake controller I would recommend the Prodigy P2 Brake Controller part # 90885. This is our best selling brake controller because of how well it works and how easy it is to setup. This is a proportional brake controller that senses the amount of braking...
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  • Replacement 7 and 4-Way Recommendation for 2005 Ford F-250
  • The part # HM40975 normally would plug right in to the 7-way wiring of your 2005 Ford F-250, but if for some reason you have a totally hardwired setup your other solution would be to use the part # HM40975-11998 which would allow you to hardwire the setup to your vehicle wiring.
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  • Depth of Plug to 90 Degree Angle on Bargman 5th Wheel/Gooseneck Harness
  • It is just under 3-1/2" from the back of the plug to the back edge of the plug at the 90 degree angle on the Bargman 5th Wheel/Gooseneck Wiring Harness # 50-97-410. However, if you use the spacer which is included (which is shown in the photo I've added) then the plug will have plenty of room to fit. This harness is confirmed to work with your 2001 Ford F-250 Super Duty with factory 7-way. I've attached links to video reviews for you to take a look at as well.
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  • 7-Way Recommendation for 1997 Ford F-250 for Bed of Truck
  • For a 7-way to install in the bed of your truck to make connecting your trailer lights easier you would want the part # 41157. Most 7-ways will be at the rear of the truck near the bumper which doesn't work will with fifth wheel hitches. This kit installs in line with the 7-way at the rear of your truck and gives you a second one to install in the bed.
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  • Recommended In-Bed 7-Way Wiring Connection for 2010 Ford F-150 with 6-1/2 Foot Bed
  • For your 2010 Ford F-150 with 6-1/2 foot bed, I recommend the Bargman 5th Wheel/Gooseneck 90-Degree Wiring Harness w/ 7-Pole Plug - GM, Ford, Dodge, Toyota - 7' Long # 54701-003. There are many options that are compatible, but the 90 degree angle is nice and the 7 foot long wiring will give you enough length without having excess. The molding around the 90 degree bend is far stronger than the other brands and the reason why I recommend this particular harness. It will easily connect...
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  • Where Does Bargman 5th Wheel/Gooseneck Wiring Harness 54701-007-010 Plug Into on a 2017 Ford F-350
  • Bargman 5th Wheel/Gooseneck 90-Degree Wiring Harness for Aluminum Truck Bed - 7 Way RV - # 54701-007-010 plugs in line with the factory 7-Way connector on your 2017 Ford F-350. Following the wiring harness on your truck forward until you see the rectangular connectors. They are located in the rear of the truck inside the driver's side frame rail. Separate them and install harness # 54701-007-010 in line with them. I have included a picture from the instructions showing what you are looking for.
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  • Using a Brake Controller on 2000 Ford Expedition With Factory 4-Flat
  • Since you have the factory 4-way on your 2000 Ford Expedition, there is one other piece you will need to use your brake controller, the 4-Pole to 7-Pole and 4-Pole Adapter # 37185. You will also likely need a bit of extra wire, # 12-1-1, to install this adapter in your 2000 Expedition.
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  • How to Determine Which Wire Carries the Brake Controller Signal on a 2016 Ford Expedition
  • The best way to determine which wire is for activating your trailer brakes is to use a Circuit Tester, like part # 3808, and test the wires. Since car manufacturers could very well change the color of their wiring this will be your best, and safest, bet. To test for the wire that carries the brake controller signal to the 7-Way on your 2016 Ford Expedition you will want to set your brake controller, like the Prodigy P3 # 90195, to the highest power setting and then use the manual override...
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  • Adapter for a 4-Flat on 2000 Ford Expedition and 6 Round on Trailer
  • From your description, it sounds like you are looking for a way to use the factory 4 flat on your 2000 Ford Expedition with the 6 round on your trailer. If that is the case, what you would want to do is use the 4 Pole to 6 Pole Wiring Adapter # 37175. I have added a pair of links to videos reviews of this adapter for you to take a look at.
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  • Wiring Diagram for Bargman 7-Way RV Style Connector # WG54006-043
  • The Bargman 7-Way, RV-Style Connector # WG54006-043 referenced in your question uses the standard RV-style pin locations for its 7-Way connector. I have attached a diagram of these locations and their functions for you to check out. Wire colors will often vary between manufacturers. The important thing is to match up trailer and vehicle wiring based on their function. The pin locations and their functions should match up between this connector and the vehicle side Hopkins # 37185 that...
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  • 5th Wheel/Gooseneck Trailer Wiring Harness for 7-Pole and 4-Pole Trailer Connector HM40975-11998
  • The connector that plugs into the back of the 7-Pole and 4-Pole Trailer Connector Sockets w/ Mounting Bracket and Wiring - Vehicle End Item # HM40975-11998 is what is called a US car connector. You can use any 5th wheel/gooseneck wiring harness with the same type of connectors that plugs in line with a 7-Way. I recommend # 50-97-410. It has the 90 degree bend at the back of its 7-Way which is easier to fit inside the walls of the truck bed on your 2000 Ford F-550. I have linked a video...
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  • How to Troubleshoot and Test Wiring on 2015 Ford F-150 When Trailer Brakes Do Not Work
  • Since you have used the trailer with another vehicle and all the trailer lighting functions worked properly with the other vehicle this tells us that the issue is most likely on the Ford. The two circuits affected, the trailer brake circuit and the 12V power circuit that feeds the trailer's interior light, are totally separate, but they share the requirement of having a good ground connection in order to operate so this is the first thing I would check on the truck. The wiring harness...
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  • 4-Way to 7-Way Adapter Recommendation for 2015 Ford F-150
  • To just add a 7-way to your 2015 Ford F-50 that has a 4-way all you need is the part # 37185 which will allow your 4-way to plug into it and give you a 7-way. If you do have trailer brakes you would need the # ETBC7 instead of the # 37185 and a brake controller. This kit comes with everything needed to wire up the 7-way and install a brake controller. For a brake controller I would recommend the Prodigy P2 Brake Controller part # 90885. This is our best selling brake controller because...
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  • Troubleshooting Trailer Lights Work But Not the Trailer Brakes
  • There are a couple of things that we can check to troubleshoot your brake controller not working. There is a fuse for the electric trailer brakes according to an online version of the owner's manual for your 2008 Ford F-150. It is a 30A fuse located in the "F105" location. If that fuse looks good then there are a few other things we can look at. Since it is a brand new controller the problem is most likely the wiring on either your F-150 or your trailer. To determine which end the...
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  • Options for Mating 4-Pole Flat Vehicle Wiring to Jayco 6-Pole Square Trailer Wiring
  • The 4-pole to 6-Pole Jayco wiring adapter # 30104 supports only the 3 circuits on the 4-pole but converts them to the connector format used on older Jayco trailers. A 4-pole wiring setup has a ground and three circuits; right stop/turn, left stop/turn and tail lights. The Jayco connector has a ground and 5 circuits so using this adapter would let the basic lighting signals from the Explorer's 4-pole reach the trailer but the other functions supported by the Jayco plug would NOT have any...
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  • Availability of 7-Way Wiring and Socket that Measures 3 Feet in Length
  • The part # PK11-934 is a round 7-way wiring harness that's 3 feet in length for a socket that installs on the vehicle like the part # PK11893.
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  • Recommendation to Extend Existing 7-Way Connector to Clear Truck Bed Camper
  • For an adapter that will extend your existing 7-Way beyond the rear of the truck bed camper, I recommend the TorkLift Wiring Harness Extension # TLW6042. One end of the wiring harness will plug directly into your current 7-Way, while the other end features a 7-Way port for connecting to your boat trailer. This measures exactly 4 feet long, end to end, so it will work perfectly. I have attached a short video demonstration on this product that you can also check out.
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  • 4-Way to 5-Way Trailer Wiring Adapter for 2016 Ford Expedition
  • All you need to convert your 4-way to a 5-way is the 4 to 5-way adapter part # 20036. This will plug right into your current 4-way and then gives you an additional wire you can run to the reverse light circuit of your vehicle to activate the pin.
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  • Brake Controller and Install Wiring Recommendation for 2016 Ford Expedition
  • What you will need is a brake controller, the install adapter for the dash area of the vehicle and the 4-way to 7-way adapter part # 37185. The # 37185 will plug into your 4-way and then the brake wire you found runs to the blue wire of the # 37185. The part # 22292 plugs into the brake controller install port under the dash of your vehicle and you'll be set. For a brake controller I would recommend the Prodigy P2 Brake Controller part # 90885. This is our best selling brake controller...
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  • Trailer Wiring Needed for a 2002 Ford Thunderbird
  • What you will want to do is install a universal wiring system like the Tekonsha Upgraded Heavy Duty ModuLite Circuit Protected Vehicle Wiring Harness with Install Kit # 119190KIT. You will simply locate the appropriate wire behind your tail lights housing using the included circuit tester and then splice in the correct wiring. A 12V power lead is ran to the battery itself to avoid damage to your 2002 Ford Thunderbid's electrical system. I have attached a video of this kit being installed...
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  • Adapter to go from 7-Way Round Pin on 1993 Ford F-350 to a 7-Way Blade Style Connector on a Trailer
  • There is an adapter to go from the 7-Way round pin connector on your 1993 Ford F-350 to a 7-Way blade style connector for the trailer. It is Pollak Trailer Connector Adapter - Vehicle End - 7-Pole Round to 7-Way Blade Item # PK12-724. Assuming that your 7-Way round pin and the 7-Way in your truck bed are both wired to each other (which is very likely) all the functions, including the brake output circuit, will function when using this adapter.
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  • 7-Way Recommendation for Bed of 2017 Ford F-350 for Fifth Wheel Trailer
  • For a 7-way to install in the bed of your truck to make connecting your trailer lights easier you would want the part # 41157. Most 7-ways will be at the rear of the truck near the bumper which doesn't work will with fifth wheel hitches. This kit installs in line with the 7-way at the rear of your truck and gives you a second one to install in the bed.
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  • Does Hopkins Fifth Wheel 7-Way Wiring Kit 41157 Have 12 Volt Accessory Circuit Complete
  • The Hopkins 7-way kit part # 41157 does have the 12 volt accessory circuit completed. All of the 7-way functions are present on this kit.
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  • Trailer Blinker and Turn Signals Only Work on One Side
  • Since it sounds like you were trying to match up colors during your install I believe you are correct that you wired it incorrectly. Although there are common wiring colors, there are no rules saying that everything has to be wired using any specific colors. This goes for both vehicle and trailer side. If you connect wire colors instead of checking their functions you could end up with an incorrect wiring system. What I recommend doing is using a Circuit Tester # 3808 to test the function...
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  • Troubleshooting Trailer Running Lights Not Working with New 7-way Adapter
  • Connecting the 12V power, electric brake output, and reverse functions will not fix the running light issues on your 7-way. It is very likely that when one function isn't working properly that there is a bad ground that is allowing some functions, but not strong enough for all signals. Sometimes this is due to rust or corrosion, other times it just needs a bare metal to metal connection for stronger signal. I'd start there and if that doesn't solve it, check your vehicle fuses. If the...
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  • Recommended 7-Way Wiring Connection For 2001 Ford F-350
  • If you have the factory 7-way on your 2011 Ford F-350 then you will need the Replacement Multi-Tow 7-Way & 4 Pole Trailer Connector # 74682. If you have the factory 4 way, then you will want the Fifth Wheel and Gooseneck Trailer Hitch Wiring Connector, 7-Way - Ford SD # 20031. For your 7-Way Super Sealed Connector w/7' Cable - Car End # 50-87-007 there isn't an adapter. It would need to be hardwired and for full function you'd need # 5506 if you don't have a factory wiring harness...
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  • Brake Controller and 7-Way Installation in 1994 Ford F-150
  • To install a trailer brake controller like the Prodigy P2 # 90885 or P3 # 90195 along with a 7-way socket in your 1994 Ford F-150 the parts you'll need depend on how the truck was equipped from the factory. If it did not come with a factory 7-way then you will need our install kit # ETBC7 as well as a 4-pole wiring harness like # 118316. If you already have a 4-pole and 4-to-7 adapter part # 30717 then all you need is the controller and a wiring kit to connect everything, part # 5506....
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  • Can LED Test Lights on Hopkins 7-Way RV Style Connector HM20087 Cause Battery Drain
  • LED lights, including LED test lights that can be built into trailer wiring, use so very little power that you do not need to be concerned about depleting your battery. It would take many, many months of continuous draw (without ever running the truck to charge the battery) for such an item as the Hopkins 7-Way RV Style Connector # HM20087 to cause any issue with battery drain in your 2012 Ford F-150.
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  • How to Convert a 4-Way to a 7-Way on a 2017 Ford F-150
  • If you are just needing a 7-Way to activate the lights on your trailer then you will simply need to use the Hopkins # 37185 that you referenced along with a No-Drill Mount Bracket # 18140 as depicted at the start of the attached installation video on a 2011 Ford F-150. For a fully functioning 7-Way that has power to the Brake Controller and 12V Power you will simply need some Deka Jacketed 2 Wire # 10-2-1 and Butt Connectors # DW05745-5. You will want to splice the Blue wire from the...
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  • Troubleshooting Gooseneck/Fifth Wheel Wiring Harness On 2017 Ford F-350
  • I reached out to my contact at Bargman and they have not heard of this issue with the harness # 50-97-410. Because your vehicle is registering the trailer connection, your vehicle is tracking it. There are a couple of things we can do to see why it is registering connection. Ford will register trailer connection not only through the brake controller output, but also through trailer lights, so if you are using a lighted trailer hitch receiver cover, that may be the issue. It is possible...
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  • 7 Way Trailer Wiring Recommendation for 2015 Ford Expedition
  • If you trace the 4-way harness back does it end with a round connector like the part # C55515? If so, then what you can do is replace that assembly with the # HM40975 and you'll have a 7 and 4-way. Or you can look to see if you can find that round connector tucked up somewhere behind the bumper area. It SHOULD be there but if not we can still help. Now if your trailer does not have brakes all you would need is the part # 37185 as an adapter to convert the 4-way to a 7-way. If you...
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  • Parts Needed to Convert 4-Way of 2017 Ford Explorer to 7-Way
  • Now if your trailer does not have brakes all you would need is the part # 37185 as an adapter to convert the 4-way to a 7-way. If you do have trailer brakes you would need the # ETBC7 instead of the # 37185 and a brake controller. This kit comes with everything needed to wire up the 7-way and install a brake controller. For a brake controller I would recommend the Prodigy P2 Brake Controller part # 90885. This is our best selling brake controller because of how well it works and...
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  • Trailer Wiring Harness for a 2005 Ford Escape
  • Your 2005 Ford Escape has what is called a separate or 3-wire system. This means that it has turn signals and brake lights that are on different circuits. Trailers have what is called a combined or 2-wire system which means the brake lights and turn signals are on the same circuit. In order to have the proper functions from a vehicle side 4-Way you will need a wiring harness that has a converter. The converter takes the separate signals from the vehicle and combines them so that the 4-Way...
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  • Troubleshooting Brake Controller Getting Hot on 1993 Ford F-250
  • The four wires coming from your Tekonsha Envoy trailer brake controller will be for the following functions: White for ground. Black for 12V power. Blue for brake output. Red for stop light switch. I was not able to confirm the wire colors and their function for the built-in harness in your 1993 Ford F-250. The only way to verify that you have made the correct connections is to simply test them for their function with a circuit tester like # 3808. The fact that the controller...
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  • Installing Hopkins Endurance Multi-Tow Connector on 1999 and 2001 Ford Explorer
  • The Hopkins Endurance Multi-Tow 7-, 5- and 4-Way Flat Trailer Connector # HM48470 referenced in your question can be installed on both your 2001 and 1999 Ford Explorer, however it will need to be hardwired in according to the wiring diagram in the instruction link that I have attached. This connector is typically used for vehicles that already have 7-Way wiring ran, as this is simply a socket. If this is all that you need, this will work perfectly. If your vehicles do not already have...
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  • Wire Gauge Used for Pollak 5th Wheel/Gooseneck T-Connector PK11893-11932
  • The wire gauges used on the Pollak 5th Wheel/Gooseneck T-Connector # PK11893-11932 referenced in your question are as follows: White wire: 10 gauge Blue wire: 12 gauge Black wire: 10 gauge Red, Brown, Yellow and Green wire: 14 gauge This harness is confirmed to fit your 2003 Ford F-250 and will provide you with a 7-way connector in the bed of your truck for easy hook up with your trailer. I have attached a short video review on this product for you to check out.
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  • How to Replace a 7-Way Trailer Connector on a 1997 Ford F-250
  • The 7-Way Pre-Wired Car Connector part # 20023 is an exact Replacement for O.E.M. USCAR Connectors. If you have this connector under the rear of your vehicle, then yes, it will work for you. If you do not have this plug-in, you will want to use the Hopkins Endurance 7-Way Trailer Connector Socket part # HM48480 as this will allow you to simply cut the existing 7-way off and attach the wires to the back of the new connector using the provided wiring terminals. If you wish to have...
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  • 7-Way Trailer Wiring Connector to Reach 6 Feet from Junction Box to Vehicle
  • Stretching the 7-Way Trailer Connector # WG54006-043 to 6 feet isn't the best option for you. It'll reach 6 feet but the coils are fairly tight. I extended it easily to about 4 feet but beyond that it wanted to fight me. It'll loosen up over time of course but I think a longer cable would be better for you. The 8 foot long # 54006-044 is a better choice. Or if you want to really make sure you can reach there's a 12 foot, part # WG54006-046, but then it'll hang lower to the ground.
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  • Will Pollak 7 Pole to 4 Way Connector Adapter Fit 2017 Ford F-150 Sport
  • If your 2017 Ford 150 Sport has a 7-Way connector at the rear of the truck, the Pollak Adapter # PK12716 referenced in your question will work perfectly to convert it to a 4-way flat connector to hook up to your trailer. This will plug right into the 7-Way on the truck and no other installation steps are needed. It features a nice non-corrosive nylon shell and insert to prevent wear and damage from the elements. I have attached a short video demonstration on this product for you to...
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  • Troubleshooting Intermittent Running Lights Functioning on Trailer Wiring
  • Intermittent trailer wiring function is almost always caused by either corrosion or in your case an adapter that is not seating properly. What you'll need to do is inspect the trailer wiring connections and clean off all corrosion you find and make sure everything is seating like it should.
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  • Troubleshooting Trailer Brakes that Lock up When Brakes are Touched
  • What's happening is that your stoplight circuit is shorting out to your brake output circuit. I bet if you were to put one of the truck's blinkers on the brakes would pulse with the blinker. I'd also be willing to bet the right blinker is the one that would cause it to pulse as well. Reason I say that is because the brake output circuit and the right turn/stop circuit of the trailer 7-way are right next to each other on the connectors. Check out the diagram I attached for more info. Check...
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  • Recommendation to Connect 4-Way on Trailer to 7-Way on 1996 Ford F-250
  • The easiest way to tow your utility trailer with your 1996 Ford F-250 is with an adapter like the Pollak # PK12716. This will simply plug into the 7-way on your truck to provide a 4-way connector to hook up with your trailer in order to power its signal lights. If you instead want to permanently install a 7-way on your trailer to match up with the 7-way on your vehicle, you will just need to add a connector like the Pollak # PK12706. If your trailer does not have any electric brakes,...
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  • Recommendation to Connect 7-Way on Trailer to 4-Way on 2016 Ford F-150
  • If you are only needing to power the trailer's signal lights (not electric brakes or any other function), you will just want to install an adapter like the Tow Ready # 30717. This will plug right into the factory 4-Way on your 2016 F-150 and provide a 7 pole round plug to connect to your trailer. This will allow all of the rear signal light functions on the trailer to work as they should in correspondence with your truck. The extra wires can simply be tied off. I have included a short...
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  • Recommended Adapter For 4-Way To 5-Way Trailer Connector
  • To convert a 4-way to a 5-way, I recommend the Tow Ready 4 Pole to 5 Pole Trailer Wiring Adapter # 20036. This adapter will give you the 5th wire connection to allow you to add that reverse function or brake function depending on your trailer setup.
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  • Brake Controller Wiring Needed for 2013 Ford Escape with Prodigy Controller
  • Since you have a 7-Way # C57674 you will only need a few more components to complete a brake controller install on your vehicle. For a wiring kit to install the brake controller to the 7-way you would want the Wiring Kit for 2 and 4 Brake Electric Brake Controllers # 5506. This will provide the power source and ground for the wiring for the brake controller. You will need to test the wires from the brake pedal switch of your vehicle to find a circuit that has voltage when the brakes...
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  • Fifth Wheel Trailer Wiring Recommendation for 1999 Ford F-250 with Square Connector
  • Sounds like the product you are looking for is the part # 20031. This is the same fifth wheel trailer wiring style setup but uses the Ford square connector instead of the round style found on newer trucks like with the part # 20110.
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  • 7-Way Trailer Wiring Recommendation for 2016 Ford F-350 Cab and Chassis
  • If your 2017 Ford F-350 cab and chassis has all of the 7-way wires ran to the rear of the vehicle but no actual connector what you would need is the part # HM40975-11998. This is a 7 and 4-way that can be wired easily to the wires you have. I attached an install video for you to check out as well.
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  • Replacement 7-Way Trailer Connector On 2012 Ford Escape
  • The replacement 7-way connector I recommend for your 2012 Escape is part # A10-7072VP. This connector just plugs into the OEM plug at the rear of your Escape. This 7-way has the spring-loaded dust cover to help protect the connector from the elements. When working with electrical connectors I recommend using dielectric grease like part # 11755. This keeps dirt and moisture out of the electrical connections and helps prevent corrosion.
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  • Installing Square 6-Way Trailer Connector On 2009 Ford Flex To Match Trailer Wiring
  • If your trailer has a square 6-way connector I assume it has brakes. The other wire would perhaps be for a breakaway kit or interior lights on the trailer or a battery charger. If the trailer is setup with either of those functions, you will need to change the 4-way on your 2009 Flex to match the trailer. I recommend part # 37995. This has the trailer and vehicle side 6-way square connectors. You would need to remove the 4-way connector on your Flex and wire those wires to the 6-way....
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  • Can 7-Way Molded Trailer Wire Connector Connect to Roadmaster 6-Way # RM-910030-6
  • Yes, the terminals of the RoadMaster 6-Way connector and socket part # RM-910030-6 are compatible with 10 gauge wire like what comes with the # H20046. The center pin of the 6-way is the 12 volt accessory circuit and the ground is the circuit in the 2:00 position as you look into the opening of the connector.
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  • Is a 4 Pole to 7 Pole Adapter Available for a 2013 Ford F-150?
  • If you are looking to install a brake controller on your 2013 Ford F-150, and it has the factory 4-flat, you would use the Hopkins Adapter # 37185 to convert the 4-pole on your truck. Depending on the controller you are using, you may also need the Plug-In Wiring Adapter for Electric Brake Controllers # 22292. Should you be missing the wiring completely, you would need universal installation kit # ETBC7. I have added links to videos showing the installation of the Hopkins Adapter...
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  • Dash Lights Appear While Using The Factory 4-Flat Connector On 2014+ Ford F-150
  • We have had this problem before on similar products due to the computer system used in the newer Ford trucks. Whenever an accessory is plugged in, the vehicle may think there is a trailer connected and responds accordingly. The only way around this is to hardwire the Rampage SuperBrite LED Tailgate Light Bar - Stop, Tail, Turn, Reverse part # RA960137 into the tail light harness. This however, can be accomplished rather easily as you will only want to use a circuit tester such as the...
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  • Troubleshooting Trailer Lights After Installation of 7-Way Socket on 2004 Ford Expedition
  • It sounds you have installed a screw-terminal type 7-way socket like # HM48470 on your vehicle to convert it from the 4-pole wiring format. Similar items like # 37185 allow this same format change but use a 4-pole connector that joins your original 4-pole, thereby requiring that you make only three spliced connections for the other circuits. The screw terminal connections on part # HM48470 are intended primarily for convenience when wiring in a replacement for a damaged 7-way socket,...
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  • Is 12V Wire On 2016 Ford F-150 Smaller Than Power Wire On Trailer Connector Wiring
  • The functions for a 4-way trailer wiring is left turn, right turn, running lights, and ground. There is no 12V wire on a 4-way trailer connector. If you are talking about a 7-way trailer connector here are the suggested wire gauges: Right turn, left turn, tail light, and back-up are 16 gauge. Ground, brake, and 12V power are 12 gauge. I have attached a link to a wiring helpful article. In the article there is a wire chart for the vehicle manufacturers. On a Ford the orange wire...
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  • 7-Way and Wiring Harness Recommendation for 2011 Ford F-250
  • We carry the part # HM40975-11998 which is the 7-way socket and universal wiring that would work for you. You would just need to cut off the harness of your truck and hardwire this to the wiring left over.
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  • Recommended Wiring For Camper 6-way And Trailer
  • For your 2015 Ford F-150, I recommend the Hopkins Endurance 5th Wheel/Gooseneck 90-Degree Wiring Harness with 7-Pole Plug # 41157. This will give you a second 7-way in the bed of your truck while still allowing the bumper 7-way to function. For your truck camper 6-way, I recommend the Hopkins Endurance Multi-Tow Trailer Connector Adapter - 7-Way to 6-Way, 5-Way or 4-Way # HM47570 to adapt from the 7-way. This will allow your bumper connection to be used for your trailer.
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  • Replacement 4-Way Connector Recommendation for Trailer To Allow Ford Ranger to Tow it
  • You are going to have to rewire the connector that's on your trailer. What you have is not a standard trailer wiring connector so going to a standard 4-way like the # HM48030 would make life much easier.
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  • Installing 4-Pole to 5-Pole Trailer Wiring Adapter on 2017 Ford Escape
  • The blue wire on the Hopkins 4-Pole to 5-Pole Adapter # 47515 referenced in your question will be spliced into the reverse light wire on your 2017 Ford Escape. To locate the reverse light wire on your vehicle, I recommend using a circuit tester like # 3808. The reverse light wire will typically be located at the back of the tail light assemblies. Have a buddy sit in the driver's seat, set the emergency brake and hold the brake pedal while the vehicle is in reverse. You will use the circuit...
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  • Brake Controller Suddenly Stopped Working
  • The first thing you will want to do is attach the tow vehicle to a different trailer to see if the problem persists. If the problem still occurs, then the error is on the vehicle side. If the problem is not present, the problem is on the trailer side. If the problem is on the vehicle side, you will first want to ensure there is no dirt or debris in the trailer connector. You will then need to begin checking each of the wires using a circuit tester like the Quickee Circuit Tester part...
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  • Do I Need A Heavy Duty Flasher To Install A Wiring Harness On A 2004 Ford Escape
  • Neither the Hopkins Tail Light Converter Kit with 4-Pole Flat Trailer Connector part # HM48925 or the Upgraded Circuit Protected Tail Light Converter with 4-Pole Flat Trailer Connector part # 119178 will require you to use a heavy duty flasher while towing with your 2004 Ford Escape with or without the factory tow package. Each of the lighting circuits on the wiring harness has a 2.1 amp max draw, therefore this is not problematic for your factory wiring circuit. I will say that it will...
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  • Recommended 7-Way For Slide In Camper On 2017 Ford F-250
  • On your 2017 Ford F-250, the 7-way will have lights, brake, power, and reverse. You can add a second 7-way for your camper to the bed of your truck using the Bargman 5th Wheel/Gooseneck 90-Degree Wiring Harness w/ 7-Pole Plug # 50-97-410. This will give you all of the functions for your slide in camper. I've attached a photo to help and a video of the installation.
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  • Troubleshooting No Brake Lights or Turn Signals on Trailer
  • Troubleshooting trailer light issues is easiest when you test the vehicle and trailer individually. First visually inspect the connectors for signs of corrosion, trapped foreign material or discoloration. Even slight greenish or whitish discoloration of the contacts can mean corrosion bad enough to cause problems. If you have a circuit tester like # 3808 you can test the vehicle wiring with the trailer not connected to it. Have a helper activate the various light signals on the truck...
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  • How To Troubleshoot Electric Trailer Brake Magnets
  • I have attached a helpful article that explains 4 methods for testing your electric brake magnets. You will need a multimeter like part # BTMT15 to check the amperage when testing the magnets. The article explains how to test the magnets while the trailer is connected to the vehicle and also explains how to do bench testing to see if the magnets are working properly or need to be replaced.
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  • Locating Blue Brake Wire On 2014 Ford F-150
  • There are some wires that run along the frame rail on your 2014 F-150. I have attached a photo that shows where you can find the wires. They will be on the driver side. I have attached a link to a helpful article on installing a brake controller on a Ford truck you can check out.
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  • Installing A Taillight Converter Hardwire Kit
  • The first thing you will need to do is check for a loose ground wire as 95% of all wiring problems are attributed to faulty grounds. If the ground wire is still securely attached to a metal surface, you will then want to check for blown fuses. If the ground is secure and the tail light fuses are intact, then you can begin to test the converter box. Since you have already tested the wires leaving the converter box, you will want to begin testing the wires before the converter box using...
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  • Wiring Harness Recommendation For A 2004 Ford Escape
  • The Upgraded Circuit Protected Tail Light Converter with 4-Pole Flat Trailer Connector part # 119178 is not ran directly to the vehicle's battery. There are 5 wires that you will need to connect in order to install this harness. The white wire is for the ground circuit. The brown wire is for the tail lights. The yellow wire is responsible for the left turn signal. The red wire is responsible for the stop lights and the green wire is for the right turn signal. You will attach each of these...
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  • Can Hopkins Endurance 7-Way Blade Trailer Connector # HM48500 Accept 10 Gauge Wire
  • You could easily run 10 or 12 gauge wire to the Hopkins Endurance 7-Way Blade Trailer Connector # HM48500 that you referenced. I attached a picture that shows 12, 10 and 14 gauge wire ran to tit.
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  • Should Ford Expedition Tow in 4WD or in 2WD
  • For towing you would not want to have your vehicle in four wheel drive. Two wheel drive would be better and would be less hard on transmission components. The only time you'd want to put it in AWD or 4WD would be if you were losing traction. Otherwise it does not help anything else.
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  • Wiring Trailer with 4-Pole Connector for Electric Brakes
  • In order to wire your trailer so the new electric brake assemblies can be activated, you will need to first install a 7-Way connector. I recommend removing the 4-Pole connector already on the trailer and installing a 7-Way like the Hopkins # H20046. You can use a junction box like # 38656 and 10 gauge wire # 10-1-1 (sold by the foot) to run the brake output circuit from the junction box to the brake assemblies. I have attached a video demonstration on this junction box so you can see...
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  • Troubleshooting 5th Wheel Wire In Junction Box That Isn't Connected And Error Message
  • On your 2014 Open Range 5th wheel trailer, the color of wire unfortunately doesn't help. You will need to test the wire for function. Because you have the lighting functions, you may have a ground or reverse function. You may also have a brake that is not fully functional. I recommend tracing that wire and using a circuit tester like # 3808 to determine the function. I recommend connecting that single wire to a battery to see if you can quickly determine function.
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  • Recommended Truck Bed 7-Way Wiring Harness For 2015 Ford F-250 Super Duty
  • The Hopkins Endurance 5th Wheel/Gooseneck 90-Degree Wiring Harness w/ 7-Pole Connector - 6' Long # HM41158 will work on your 2015 Ford F-250 Super Duty, but depending on where you want to mount it may be a little short. If you want a longer harness, I recommend the Bargman 5th Wheel/Gooseneck 90-Degree Wiring Harness w/ 7-Pole Plug-- 9' Long # 50-97-410.
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  • 7-Way Wiring Function Locations To Correspond With Hopkins 7-Way Connector With LED Test Lights
  • I have attached a trailer wiring diagram to assist and have also attached a couple photos to help with location and function. It sounds like you don't have the traditional wiring colors and I'm confused as to why you have two left turn stop functions and no reverse function. The Hopkins 7-Way RV Style Trailer Connector w/ LED Test Lights - Trailer End # HM48503 will have functions that correspond with the picture attached.
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  • Installing 7-Way on 2013 Ford Explorer Towing Pop-up Camper with Surge Brakes and Electric Lockout
  • If the trailer plugs into a 7-Way then you can use # 30717 and you would just have to ground the white wire and splice the yellow wire into a reverse light wire on your 2013 Ford Explorer. The black wire is for 12 volt power (if the trailer uses 12 volt power) and will need to be run to the vehicle battery via a 40 amp circuit breaker # PK54540 and about 25 feet of wire # 12-1-1 which is sold by the foot. The blue wire you can tape up and stow out of the way. The # ETBC7 kit comes...
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