Trailer Backup Light Wiring Waterproof trailer light is certified for backup light function in a 2-lamp system when a pair of lights is installed. Durable polycarbonate housing and lens.
Trailer Backup Light Wiring By law, trailer lighting must be connected into the tow vehicle's wiring system to provide trailer running lights, turn signals and brake lights. This is accomplished by tapping into the tow vehicle's electrical harness to transfer power to the trailer wiring system.
Trailer Backup Light Wiring There is a fuse specifically for the trailer backup lights, separate from other trailer fuses and separate from the truck backup lights. It's labeled "TRL B/U" and the manual says that's all it does. It is 10 amps, perfect for a pair of 55 watt cheapo driving lights.
Trailer Backup Light Wiring This vehicle-to-trailer wiring harness creates a standard trailer wiring connection by plugging into vehicle harness and tail light assembly, and then routing the 4-way harness to the rear end of a vehicle. If you own an older vehicle, chances are it will have neither trailer package factory installed nor T-connectors available for it.