Wiring Diagram Trailer. Trailer wiring diagrams one of the most important parts of fitting a towbar to your vehicle is connecting the electrics from the towing vehicle to the trailer or caravan that you are towing. Trailer light wiring diagram uk download the trailer light wiring diagram uk that is available on this post.
Anton diedericks created date. The table and diagram below explains the connections used on a 7 pin setup. The electrics are required to power the lights on your trailer and if you own a caravan the internal electrics inside the caravan therefore it is important to ensure that it is done correctly.
In this 7 pin trailer wiring diagram the red wire provides auxiliary power to the trailer while the black wires are shifted to indicate the reverse lights.
The pins usually have a small screw to retain the wire on the back. All diagrams are as viewed from the cable side. Dec 18 2019 explore kevins board trailer wiring diagram on pinterest. The trailer wiring diagram shows this wire going to all the lights and brakes.