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• Adapter and Re-Wiring Kit for Lance Truck Camper with Round Pin 7-Way Plug
  A junction box/7-way plug kit like Epicord # 277-000141 or # HS381-9000 lets you convert the camper to match the 7-way RV blade type connector format. This avoids the extra connection points and potential trouble spots from using separate adapters. These items use different wire colors so be sure to follow the wiring guide for the specific kit you select. The existing wires on the camper will need ring terminals like # 44-5310A (for 12 and 10 gauge wires) and # DW05702-1 (for 16 and 14...
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• Replacing Trailer End 4-Pole Connector That Has 8 Wires
  For starters, a quick-fix type connector shown in your photo is typically a good choice for an emergency repair, but I wouldn't use it as a permanent fix. It looks like your trailer wiring has 3 separate grounds and 3 separate running lamp circuits for some reason. This is kind of a strange setup, but if everything worked fine beforehand, there really wouldn't be any need to change that at this point. Your suspicion is correct, I don't believe all those wires will fit in there either. For...
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• Recommended Surge Brake Actuator With Electric Lockout For Drum Brakes
  We do have a surge actuator that can add an electric lockout for drum brakes. I recommend the Titan Zinc-Plated Brake Actuator, part # T43397007K. This actuator is adjustable to fit 1-7/8, 2, and 50-mm hitch balls and is a bolt-on for 3 inch wide trailer tongues. The breakaway kit is included with this actuator. For the lockout you can then use # T4748800. If you have a 7-way connector on the back of your Expedition, you will need to change the trailer connector to match. I assume you...
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• Can I Use Existing Switch on Ford F-250 to Install Power On/Off of Custom 3rd Brake Light Camera
  Yes. There is no reason that you can't just use the upfitter switch in your Ford F-250 to connect the power of the Custom 3rd Brake Light Camera # 3460006 instead of installing a new switch. I've linked an installation video we did that you can use as a reference, as well.
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• Junction Box for Trailer for Install of Autowbrake Electric Brake Controller
  The easiest solution would be to add a junction box like with the part # 277-000141 to your trailer wiring for the install of the Autowbrake part # 3430001. While it does require cutting the 7-way wiring it will give you an easy way to install the brake controller plus gives you the benefits of having a junction box. Basically you'd trace the 7-way wiring of your trailer from the connector back till you find where on your trailer you'd want to mount the box. You'd cut the wiring there and...
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• How Does The Mushroom Style Plumbing Vent Install and Work
  The Mushroom Vent # 37202-29125 you referenced is a replacement vent for the sewer and holding tanks. The mushroom vent mounts on the roof of your RV or camper to allow odors and gases to escape without entering the living quarters. The mushroom vent does not have a fan built in so no wiring or switches are needed. An option for a roof sewer vent that does have a fan is the Ultra-Fab Solar-Powered Plumbing Vent # UF53-945001. This upgrades your existing roof vent, or will add a roof vent...
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• Parts Needed to Add Battery Charger to a Snowmobile Trailer
  Nate, to add a battery charger to your trailer you're going to need to first add a 7-way to your trailer with the Trailer Wiring 7-Way Upgrade Kit # ET7WK. From here you will need to a wire from the black wire (which carries the 12V), to the positive terminal on your battery with the Ring Terminal # 44-5310A & # 10-1-1. This will provide a maintenance charge so it won't let your battery die, but won't charge it. To actually get your batteries to charge, you'd need to add the Redarc In-Vehicle...
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• Can The Roadmaster 12v Outlet Kit Come With Two Ring Terminals
  The 12 Volt Outlet Kit # RM-9332 comes from Roadmaster as is so you would need to order a separate ring terminal # # DW05702-1 and use a pair of wire cutters # PT43ZR to cut off the old spade terminal, strip off some casing on the wire, and crimp on the new ring terminal.
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• Parts Needed to Rewire Equipment Trailer With Brakes
  We don't have a full kit but it will be fairly easy to put together. You can start with a new 7-way like the Bargman # 50-67-106. This comes with 18' of cable which will cover your needs for the most part. I also recommend using a junction box like the # 38656 along with ring terminals # 44-5310A and # DW05702-1. This will help keep everything organized. If you need additional wire to run to the lights you can use # DW02412-1 along with butt connectors # DW05744-10. If you need extra...
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• Parts List to Re-Wire a Trailer w/ Electric Brakes
  To completely rewire your 20' trailer from start to finish I recommend using the following parts: 7-Way Connector and Cable - Hopkins Molded Cable 8' Long item # H20046 Junction Box - Trailer Wiring Junction Box - 7 Color Coded Terminals item # 3375601101 10 Gauge Wiring for Brakes and 12v Power Sold by the Foot - 10 Gauge Primary Wire item # 10-1-1 16 Gauge Wiring for Lights Sold by the Foot - Bonded 4 Wire item # 16-4B-1 3/16 Inch Ring Terminals item # 44-5310A 1/4 Inch Ring Terminals...
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• Can The RV Holding Tank Heater # 372HTH-A Be Installed In The Underbelly With Insulation
  Hey Korey, That's a totally normal installation for the RV Holding Tank Heater # 372HTH-A. My only word of advice would be to run a dedicated outlet for it to plug into with a switch somewhere in-line that's easy to access so you can cut power to the heater as needed since this is going to be hidden in your trailer's underbelly. Same thing if you want to run this on DC voltage instead of AC voltage. DC will likely be the easier route and I'd be willing to bet you have open fuse ports...
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• Lance Camper Wiring Harness Recommendation
  There is not a plug and play adapter for your Lance connector that we are aware of. Typically this is installed by the Lance dealer. A junction box/7-way plug kit like # HS381-9000 is an option you have to convert the camper to match the 7-way RV blade type connector format. This avoids the extra connection points and potential trouble spots from using separate adapters. These items use different wire colors so be sure to follow the wiring guide for the specific kit you select. The...
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• Preferred Method of Grounding Trailer Lighting Circuits
  Running a direct ground up to the trailer tongue or junction box would certainly work, but the only time I'd see that as being necessary is if the lamps were connected to a non metallic structure or a metallic structure that wasn't directly connected to the trailer frame. If the lamps aren't connected to a metal structure in direct contact with the trailer frame, you can use a short length of # DW02359-1 wire with a # DW05702-1 ring terminal on each end to serve as a jumper wire that joins...
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• Wire Recommendation for Rewiring Utility Trailer with Brakes
  For the brake circuit of your trailer you will want to run 10 gauge wire like our part # 10-1-1 which is sold by the foot and is standard copper primary wire. We use it all the time here on trailers and it works great. For bonded 14 gauge wire that has 4 wires bundled you would want the part # DW04923-1 which is also sold by the foot. A lot of times people use junction boxes like the part # 38656 to organize the wires on the trailer. Check out the install video I attached for more info...
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• Installation Instructions for the Ventline Powered Vanair Trailer Roof Vent # VP-543SP
  The installation instructions for the Ventline Vanair Trailer Roof Vent # VP-543SP that you referenced are included in the box and are as follows: 1.Cut a 6-1/4" diameter rough opening through roof. (You can use the smaller diameter of the ceiling garnish as a template.) 2.Remove the two screws from the roof cap and then take off the cap for access to the mounting holes. 3.Apply sealant to bottom of flange. Be sure to surround each screw hole. 4.Make electrical connections. 5.Insert vent...
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• Wiring Replacement 5-Pole Trailer Connector on 2012 Ranger Trailer
  You can use a standard 5-pole trailer connector, you'll just need to wire it a certain way. The # HM47900 you referenced is the vehicle side connector, you need the trailer side connector like part # HM47910, which would wire as shown in the provided photo. The red wire you mention is for the reverse lockout on the trailer coupler, and is tied in with the reverse lamp circuit of the vehicle. Both brown wires would connect to the brown wire of the trailer connector. The yellow and green...
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• Best Way to Ground Lights on Aluminum Trailer
  The best way to handle the grounds for lights on an aluminum trailer is to mount a junction box like # 38656. You can then run ground jumpers from all lights back to the junction box and also connect the 4-pole such as # W787268. The box provide both a handy connection point for all the wiring and it protects those connections. You'll use ring terminals like # DW05702-1 for all connections in the junction box and butt connectors like # DW05744-10 to make any needed splices to the lights'...
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• Recommended Wiring Harness for Rewiring a 26 Foot Gooseneck Stock Trailer
  It sounds like you are wanting to rewire your gooseneck trailer with a 7-way connector. To do this I recommend the 7-way connector # H20046, the bonded 16 gauge 4 wire per foot # 16-4B-1 for the trailer and the 10 gauge jacketed wire # 10-2-1 for the brakes and ground. Often times, people will run the wires from a 7-way such as yours to a junction box like part # 38656. From there, they will run the standard wire colors to the trailer lights, brakes and battery. I have attached a photo...
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• Replacing Wiring on Old Livestock Trailer with Electric Brakes
  To replace the wiring in your old livestock trailer and install a 7-Way connector to use with your tow vehicles, I recommend using a 7-Way harness like the Hopkins 7-Way Molded Trailer Wire Connector # H20046. When installing the connector and harness on the trailer, you will want to use a junction box # 38656 and 10 gauge wire # 10-1-1 (sold by the foot), which will help protect the connection points and also give the installation a more professional look. The 10 gauge wire will be needed...
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• Is Junction Box Recommended When Installing New Trailer Wiring 7-Way
  Using a junction box makes installing new 7-way wiring much easier. Often times, people will run the wires from a 7-way such as yours to a junction box like part # 38656. From there, they will run the standard wire colors to the trailer lights, brakes and battery. I have attached a photo that shows how this setup works in the junction box. Most molded 7-way pigtails will come wired with the RV style color code. If you ever need to replace your 7-way connector in the future, you could simply...
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• Parts Needed to Re-Wire 18 Foot Car Hauler Trailer with 7-Way Connector
  To re-wire your 18 foot car hauler with electric brakes on one axle, I recommend using a wiring junction box like # 38656 in order to make the connections from the lights and brakes. Then for a 7-way trailer plug, you can use the Hopkins # H20046. This connector has an 8 foot lead. The shorter 6 foot # H20044 or 4 foot # H20043 trailer connectors are also available. I recommend using a circuit tester like # 40376 to determine the functions for any wires that are not known, as just using...
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• Adding a Battery to a Trailer with a 4-Way Connector
  To run a charge line to your battery you will first need to install a 7-Way on your trailer. This can be done using the Epicord 7-Way Molded Trailer Plug with Junction Box # 277-000141. The Black wire in the junction box is the one that will carry the 12V power. Just simply use a ring terminal like part # 44-5310A and run 10 Gauge Wire # 10-1-1 to the positive terminal on your battery. The 4 wires that are currently on your trailer and tow vehicle are only for the lights and are not large...
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• Parts Needed to Completely Re-Wire 20-Foot Cattle Trailer with Light and Reflectors
  The cost to re-wire your 20-foot cattle trailer depends on the type and number of lights you choose to install. How many lights you legally need depends on the width of the trailer. A good place to start your project is the linked article on trailer lighting. This explains the lighting requirements based on the trailer's length, width and weight. We offer basic light kits like # TL29BK that are a cost-effective all-in-one option. If your 20-foot trailer is less than 80-inches wide you...
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• Ring Terminal Sizes Needed for Installing Epicord 7-Way Plug with Junction Box 277-000141
  The terminal posts in the Epicord 7-Way Molded Trailer Plug with Junction Box # 277-000141 are indeed a 3/16-inch diameter. You can use ring terminal # 44-5310A for connecting 10- and 12-gauge wires. For the lighter 14-gauge wiring use part # DW05702-1. You'll need a crimping tool like the one included in our Deluxe Trailer Wiring Kit # HM51020. I also recommend using dielectric grease # 11755 on those connections to protect them from moisture and corrosion.
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