4 Way Trailer Plug Wiring Diagram Semi Truck

A detailed video of replacing a 7 pin trailer plug.
4 way trailer plug wiring diagram semi truck. The basic purpose remains the same whether your truck and trailer is using a 4 way 5 way 6 way or 7 way connector. This vehicle is designed not only to travel one place to another but also to take heavy loads. Complete with a color coded trailer wiring diagram for each plug type this guide walks through various trailer wiring installation solution including custom wiring splice in wiring and replacement wiring. We ll walk you through the wiring process it s easier than you think.
This article will be discussing 7 pin semi trailer wiring diagram. By law trailer lighting must be connected into the tow vehicle s wiring system to provide trailer running lights turn signals and brake lights. 7 way trailer plastic socket vehicle end https amzn to 2mh3x6c 7 way trailer plastic plug trailer end https amzn to 2pm6w2y jvc quad. You can also use jacketed 7 wire dw04914 1 if you need to replace the wiring on the trailer.
Most of us aren t electricians but that doesn t mean wiring a trailer or replacing corroded wiring is beyond us. A 4 way plug connects your trailer and tow vehicle and provides the required running lights turn signals ground and brake lights. Trailer electrical connectors come in a variety of shapes and sizes.