Lance Camper: Wiring System - YouTube Click to view on Bing2:06Most vehicles come with a Bargman electrical plug connector. This is where problems can start with your camper or trailer - and that's why Lance builds a custom plug for all our products. The Bargman plus is well-made, but Author: Lance CamperViews: 27K wwwecamper PDF filewwwecamper DIY Truck Camper Wiring Tips & Information | It Still Runs DIY Truck Camper Wiring Tips & Information by Eli Laurens . Truck camper wiring is typically split into two subsystems: the 110-volt appliance system and the 12-volt chassis system. The 110-volt system is designed to power the air conditioning and other high-drain appliances such RV Open Roads Forum: Truck Campers: Lance Camper wiring I suggest using plastic wire loom to protect all new wiring from vibration and physical damage, or if that is not possible, spiral wrap the new wiring with electrical tape. Somebody mentioned that a 7-pin receptical is about $50 from their Lance dealer. Yikes, I hope that cost is installed.