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 trailer lights. 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.
Trailer Wiring Diagram And Installation Help Towing 101
Wiring diagram for a trailer plug. In the trailer wiring diagram and connector application chart below use the first 5 pins and ignore the rest. Large 7 pin round vic. All diagrams are as viewed from the cable side. Below is the generic schematic of how the wiring goes. Socket and plug are keyed. Plug size is similar to an australian 10c coin.
Above we have describes the main types of trailer wiring diagrams. Trailer wiring diagram wiring diagrams for trailers international 1 989 755 0561 toll free 1 800 358 4751 covid 19. Use the 7 pin connector anyway see below and just leave out the last 2 wires. If your truck has a built in 7 pin socket but you only need 5 of the pins. To connect the electric system of your trailer to the vehicle you will be using special connector. 4 pin trailer wiring diagram.
Trailer wiring diagrams trailer wiring connectors. There is a noticeably larger gap between 1 and 6 on this plug though some trailer places rotate this connector that the yellow is at the top. Use this handy trailer wiring diagram for a quick reference for various electrical connections for trailers. 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.
Gallery of Wiring Diagram For A Trailer Plug
