Towing Package Wiring Diagram
Trailer wiring diagrams trailer wiring connectors various connectors are available from four to seven pins that allow for the transfer of power for the lighting as well as auxiliary functions such as an electric trailer brake controller backup lights or a 12v power supply for a winch or interior.
Towing package wiring diagram. If your truck has a built in 7 pin socket but you only need 5 of the pins. 4 pin trailer wiring diagram. Above we have describes the main types of trailer wiring diagrams. 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.
You can use a circuit tester to verify connections. To connect the electric system of your trailer to the vehicle you will be using special connector. If your vehicle is not equipped with a working trailer wiring harness there are a number of different solutions to provide the perfect fit for your specific vehicle. The below information is for reference and is commonly used throughout the industry but can vary depending on who built the trailer.
Below is the generic schematic of how the wiring goes. Check out or trailer wiring diagrams for a quick reference on trailer wiring.