7 way plug wiring diagram standard wiring post purpose wire color tm park light green battery feed black rt right turnbrake light brown lt left turnbrake light red s trailer electric brakes blue gd ground white a accessory yellow this is the most common standard wiring scheme for rv plugs and the one used by major auto manufacturers today. When wiring a trailer connector it is best to wire by function as wire colors can vary.
Trailer Wiring Diagrams Mirage Trailers
Trailer electrical plug wiring diagram. By law trailer lighting must be connected into the tow vehicles wiring system to provide trailer running lights turn signals and brake lights. Trailer electrical connectors come in a variety of shapes and sizes. If you are looking at the inside of the trailer connector where the wires mount to the terminals starting at the top and rotating clockwise. The following trailer wiring diagrams and explanations are a cross between an electrical schematic and wiring on a trailer. That said for specific situations there are industrial standards with different connectors and wire arrangements. 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.
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. Trailer wiring diagrams trailer wiring connectors. 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. The basic purpose remains the same whether your truck and trailer is using a 4 way 5 way 6 way or 7 way connector. We have an excellent wiring diagram on our website i will provide you a link so you can look at it. We recommend these standards because they are pretty universal.
Gallery of Trailer Electrical Plug Wiring Diagram
