Truck Camper Wire Harness | etrailer Designed for use with a 32" or 36" long SuperTruss hitch extension, this wiring harness plugs into your truck's 7-way trailer connector and lets you run (1) 7-way plug up for your Features: Makes it easy to connect wiring on your truck bed camper and your trailer to your vehicle Plug wiring harness into your existing 7-way trailer connector Run Amazon: truck camper wiring harness Lavolta 7-Way Trailer Connector Plug Cord - 7-Pin Wiring Harness with Junction Box - 7 Blade Wire Cable for Truck Camper RV - Weatherproof and Corrosion Resistant Breakaway Kit - 4FT Truck Camper 6-Pin Umbilical Wiring | Truck Camper Adventure Mello Mike is an Arizona native, author, and the founder of Truck Camper Adventure. He's been RV'ing since 2002, is a Jeep and truck camper enthusiast, and has restored several Airstream travel trailers. He currently drives a 2013 Ram 3500 4x4 pickup truck with a 2016 Northstar Laredo solar powered truck camper mounted on top. Harnesses, Wiring & Wiring Accessories | Truck-Lite Harness > Harnesses, Wiring & Wiring Accessories; Welcome to the new Truck-Lite. Questions? We've got answers. 1-800-562-5012. Harnesses, Wiring & Wiring Accessories Plugs, Sockets & Strings. Harnesses. Wiring Accessories. Trailer Connector Cable Replacement Plugs.