Torklift No Splice Wiring Harness 32" Extension is a wire harness for use with Slide-In Truck/Campers or 5th Wheels.Use this pigtail extension when you install any hitch extender. They will provide an extension from the 7-pin connector on your bumper to the trailer 7-pin connector on your camper. Easy one-minute installation, simply plug in and go. Torklift W6032 7 Pin Wiring Pigtail 32" Extension Is this answer helpful?Thanks!Give more feedbackThanks!How can it be improved?How can the answer be improved?Tell us how Truck Camper 6-Pin Umbilical Wiring | Truck Camper Adventure wwwkcamperadventure›Truck Camper ModsTruck Camper 6-Pin Umbilical Wiring. Instead, you’ll receive a wiring harness with a matching plug for your camper that must be completed on the other end with a 7-pin plug. The dealership that sold you your camper will finish making this umbilical for you. Make sure that all lights and the charge lines are fully tested during your dealership PDI. Recommended In-Bed 7-Way Wiring Harness for Slide in Truck Recommended In-Bed 7-Way Wiring Harness for Slide in Truck Bed Camper on 2011 Ford F-350. The Pollak harness is 7-1/2 feet long, and with a short bed truck it should be more than long enough at half the price. I have linked to a video showing a typical installation. The video shows a different vehicle, but should provide you a good idea of how to proceed with the install.