7-Way Molded Trailer Wire Connector, 6' Long

Ask the Experts about this Hopkins Wiring

• How to Access +12V Power Circuit in 7-Way Wiring to Power Fuel Pump
  7-way trailer wiring includes a +12V auxiliary power circuit that can be used for a range of purposes from powering an electric jack to topping off a trailer-mounted battery. This circuit is handled by the contact at the 1:00 position as you look at the vehicle's trailer socket. The ground is at the opposite pin, the one at the 7:00 position. Please refer to the linked photo. For an easy way to access this power circuit to operate your fuel pump you could wire in a 7-way plug like #...
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• What Does Yellow Wire of 7-Way Molded Trailer Wire Connector H20044 Wire To
  The yellow wire of the 7-way harness part # H20044 that you referenced goes to the center pin of the 7-way which is an aux circuit that is typically used for reverse lights if present on the trailer. Normally the red wire on a 7-way (RV standard colors) is for the left turn circuit so if you have a red wire I'd not think this would be the correct wire to connect the yellow if the 7-way to. Most likely you'd need to connect it to a yellow wire on your 7-way or to a purple wire. That...
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• Installing 7-Way Trailer Plug on Trailer with Electric Brakes
  I recommend the Hopkins 7-way molded trailer wire connector # H20044. It will measure 6-feet long and provide you the functions required for your electric brakes. If you prefer a longer connector, the same item is available in an 8 foot length as part # H20036 or an 11 foot length as part # HM20048. Please note that the color codes on these molded connectors are different from those usually found on a trailer. The wiring code is on each of the product pages. If you don't have some...
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• Trailer Wiring Connectors that Carry Reverse Light Circuit
  The most common trailer connector that carries the reverse light circuit is the 7-way. This is a very common connector style. Also the flat 5-way carries this signal as well. This is most common seen on boat trailers or others with surge brakes. For a 6 foot long harness with a 7-way we have the part # H20044. Or for a 5-way we have the part # HM47910. I also attached a help article on trailer wiring for you to check out too.
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• Changing Trailer 4-Way Wiring to 7-Way Wiring for Extra Function and Compatible Connector to Truck
  To switch your boat trailer from a 4-way to a 7-way connector, I recommend using the 7-Way Molded Trailer Wire Connector, 6' Long # H20044 along with heat shrink butt connectors # DW05744-5. You will ground the white wire to your trailer frame using # 44-5310A and then connect the running lights, right turn/stop, left turn/stop, and reverse light. To the reverse light (yellow wire on # H20044) you will connect # 16-1-1 wire sold by the foot to lead to your trailer reverse lights that...
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• Replacement 7-Way Recommendation for Trailer Pollak 14-117
  That part number is not active anymore but it basically is just a 7-way with wiring like our part # H20044. This is a trailer side 7-way with a 6 foot long wiring harness attached to it.
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• Wiring to Use When installing a 7-Way Trailer Connector
  The color of the wire you use doesn't matter but the wire gauge is important when installing a 7-way connector like # H20044. You don't want to use a gauge smaller than what is used on the connector. For example, the # H20044 uses 14 gauge wire for the red, brown, green, and yellow wires. But has 12 gauge for the blue brake wire and 10 gauge for the black 12 volt power and white ground wires. We carry 12 gauge # 12-1-1 and 10 gauge # 10-1-1. Both are sold by the foot.
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• Installing 7-Way Wiring Connector to Trailer For Reverse Light Function
  The center pin on your 7-way on the trailer side is the reverse light function. These can be different colors, which I get is confusing, but you will need to do some deductive reasoning or use a circuit tester to determine the function and color. For instance the yellow wire on the Hopkins # H20044 or the Bargman # 50-67-008 is the reverse wire which isn't the norm because the yellow wire is typically the left turn and left brake wire. I've attached a photo and an article to assist. You...
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• Would 7-Way Trailer Wire Connector # 7-Way Molded Trailer Wire Connector Work as 7-Way Replacement
  If your trailer has a 7-way installed on it already the part # H20044 would be a correct replacement for it. It would simply wire in place of your old one and work fine. For butt connectors you'd want the part # DW05745-10.
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• Recommended 7-Way Trailer Wiring Extension for Travel Trailer to Reach Bumper Plug on 1994 Chevy C/K
  It sounds like you are looking for a way to extend your trailer's 7-way plug so it can reach the plug at the bumper of your truck. To do this you will want Hopkins part # H20044. You will want to wire this 6 foot long connection to your travel trailer by function, I have included a chart of the usual trailer wiring and functions to this page for you to reference. I have linked the above mentioned product to this page for your viewing and purchasing convenience.
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• European 7 Way Round Pin to US 7 Way Blade Adapter Recommendation
  The European 7-Way does the same thing that the US 4-Way does. There isn't an adapter available because the European 7-Way has separate circuits for nearly every function on each side of the trailer. The US style 4 or 7-Way has combined brake lights and turn signals. What you will have to do create an adapter. You will need 1 European style vehicle side 7-Way and one special converter that separates the combined signals to separate ones and a US 7-way socket. You will need to make...
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• How to Determine Wire Function for Replacing Trailer 5-Way with H20044 7-Way
  What you will need to do is verify the colors of the wire on your trailer. In some cases trailer manufacturers will use the standard wire colors to wire everything up, but there's no guarantee that's the case. Especially if someone else messed with the wiring at some point and didn't have all of the colors available. Trace each of the wires to be sure. It sounds like your white is ground, your wires bundled with brown are running lights but the rest can go a few ways that we have seen....
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• Why is There 12 Volts on the Black Wire for my Trailer Connector
  If you are referring to the 12 volt pin that is located in the 1 o'clock position on the 7-way trailer connector then there should be 12 volt power feeding from the vehicle to the trailer on that pin. This means that if you test the 12 volt wire (usually black) before it enters and exits the controller, there should be 12 volts on either side assuming the 12 volt wire on the trailer is ran to a battery for maintenance changing purposes. Attaching two 12 volt power wires together will not...
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• Wiring a Stop/Turn/Tail Light to Molded 7-Way Connector
  The Stop/Turn/Tail Trailer Lights # ST21RS and # ST20RS will ground through the mounting hardware, so the two wires will need to connect to the Hopkins 7-Way Molded Trailer Wire Connector # H20044 simply by function. The red wire on the lights is for the tail light function, which is the green wire on the molded connector. The black wire on the lights is for the turn signal and brake functions, which are the red (driver's side) and brown (passenger's side) wires on the molded connector.
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• Determining Wire Function On Boat Trailer With No Trailer Connector
  It sounds like someone ran the wires as what we call a wishbone. The only way to tell how the wiring is connected to the lights is to use a 12V battery and a circuit tester like part # 40376. Attach the white ground wire to the battery negative terminal and then one by one connect the other wires to the positive terminal. You can have someone watch the trailer lights while you do the testing to determine what function each wire carries. Depending on how many lights you have on the trailer...
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• Wiring New Trailer Connector with Reverse Light Signal to 2015 Trailstar Tandem Axle Trailer
  The easiest way to add a reverse light circuit to your TrailStar trailer is to tap into the reverse light circuit on your 5-pole, IF that is the assigned function. Often boat trailers with surge couplers have an electric reverse lockout feature that allows you to back up the trailer without having to first get out of the truck to manually engage a lockout (which prevents the brakes from actuating as you back up against the coupler). If your trailer coupler has an electric lockout feature...
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• Troubleshooting 7-Way on Trailer that is Corroded Due to Rain and Snow
  If the 7-Way on your trailer is corroded past the point of cleaning it off then it would be best to replace it. You can use either the 7-Way Molded Trailer Wire Connector # H20044 or the Epicord 7-Way Molded Trailer Plug with Junction Box # 277-000141, which is what I recommend using. Aside from just covering it up with something to help protect it, you will want to put some Dielectric Grease # 11755 on your trailer connector. This grease will help to protect the pins from corrosion...
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• Wiring Color Diagram For Installing 7-Way Harness # H20044
  I attached a picture that shows a diagram that shows how each wire of your connector would run to your trailer wiring. The right side column will be the colors of your trailer and the left side will be the # H20044.
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• Parts Needed to Add 7 Way Plug to 2016 Toyota Sienna to Control Trailer Brakes
  We do have all of the parts you're going to need if you're going to add brakes to your trailer, but you will need to install a fully functioning 7 way on your 2016 Toyota Sienna that will send the braking signals to the trailer; you will also require a trailer brake controller. If you've already got a 7 way and just need the wiring you can use part # 5506 which is the wiring without the 7 way receptacle. If you don't already have the 7 way receptacle I recommend using the # ETBC7L for...
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• Can a Winch be Ran Off of the 7-Way Power Wire # H20044
  In theory yes you could connect the power and ground wires from your winch to the 7-Way Molded Trailer Wire Connector # H20044 to draw power from the battery in your tow vehicle. The problem is that the distance from the battery to the winch may not provide enough power to run your winch depending on how big it is and how much of a load you have on it. The best thing is to have an additional battery to run the winch only.
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• Could Male 7-Way be Wired to Front of 2014 Honda CR-V for Charging Battery When Flat Towing
  We have a 7-way with a 6 foot long harness part # H20044 that you could use to wire up like you mentioned. We don't have a more specific way to install a male 7-way on the front of a vehicle though so this would be your best option. The white and black wires of this have the heaviest gauge wire at 10 gauge so that would be the best to use for running to the battery.
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• Wiring Components Needed to Install New 7-Way Wiring on a Pop Up Camper
  To totally rewire your 1994 Viking Pop Up camper with a new 7-way like the part # H20044 all you need is a wiring junction box like # 38656 and ring terminals for making the internal connections from the new plug and wiring. You can use part # DW05702-1 for 16 to 14 gauge wires and part # 44-5310A for 12 to 10-gauge wiring such as +12V power and brakes. I attached an install video that shows how to use the junction box to wire up the trailer as well. This makes the process easier...
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• Replacement 7-Way Trailer Connector with Wiring for a 2007 Sportsman Trailer
  For you I recommend the Trailer Wiring 7-Way Upgrade Kit # e99011. This comes with an 8 foot 7-Way connector, wire loom, a junction box, and ring terminals. Everything you need to install a 7-Way. The junction box makes troubleshooting lighting and other problems much easier. If you already have a junction box then you can use # H20044 and just use ring terminals. You would need 4 of # DW05739-1 and 3 of # DW05740-1. I have also included some links on testing and troubleshooting brake...
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• 7-Way Plug Recommendation to be Used with 7-Way Truck Bed Kit part # 41157
  The 7-way plugs part # H20044 or part # H20046 would work well with the 7-way part # 41157 that you have installed. The part # H20044 is 6 feet in length and the # H20046 is 8 feet.
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• Installation of Hopkins Molded 7-way Trailer Connector
  You will need to connect the wires based on function and not on color since your trailer colors do not match. The color to function connections for the trailer plug are: white = ground black = 12V green = running lights brown = right turn and stop red = left turn and stop yellow= reverse blue = brakes
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• Installation of 7-Way Molded Trailer Side Wiring Harness
  On your 7-Way Molded Trailer Wire Connector, 6' Long # H20044 the reverse wire is the yellow wire. You do not need to add any fuses or relays. To make connection easy, I've attached an install video where they use a junction box like # 38656 but you can use butt connectors if you desire instead like # DW05744-5 and # DW05745-5. This same trailer connection function location will work with your Ram and buddy's Colorado as it use the same 7-way wiring locations.
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• Parts Needed to Make Custom-Length 7-Way Cable with Connectors
  Twist-lock connectors are fairly common within the RV power cord category, such as with RV Power Cord # 277-000145 which has a female twist-lock connector on one end, but not so much with vehicle-to-trailer 7-way connectors. If you need a very long 7-way, longer than the ready-made items like 6-foot # H20044 and 4-foot # H20043, you can use bulk 7-way cable part # DW04914-1 (sold by the foot) along with a male trailer plug # A7WCB to make one to your required length. For a female vehicle...
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