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. We have everything you need for everything you do. BRI Bi Mart Trailer Wiring Diagram Book Info.
The four wires control the turn signals brake lights and taillights or running lights.
Sign up for our newsletter and youll be entered to win a 1000 gift card. 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. Sign up for our newsletter and youll be entered to win a 1000 gift card. 0 out of 5 stars based on 0 reviews.