The Ultimate Guide to 4 Plug Trailer Wiring: A Comprehensive Overview for Optimal Towing
4 Plug Trailer Wiring is a standardized electrical connection system used to connect a trailer’s electrical system to the towing vehicle. Each plug has four pins, with each pin assigned to a specific function: running lights, brake lights, turn signals, and ground. For instance, a 4-plug trailer wiring system would allow the trailer’s brake lights to illuminate when… Read More »