Trailer Electrical Connector Wiring Diagram

Note that this type of 4 pin connector is less common that 4 pin flat connector.

Trailer electrical connector wiring diagram. Trailer wiring diagrams 4 way systems 4 way flat molded connectors allow basic hookup for three lighting functions. This type of connector is normally found on utvs atvs and trailers that do not have their own braking system. By law trailer lighting must be connected into the tow vehicle s wiring system to provide trailer running lights turn signals and brake lights. That said for specific situations there are industrial standards with different connectors and wire arrangements.

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 electrical connectors come in a variety of shapes and sizes. Right turn signal stop light green left turn signal stop light yellow taillight license side marker brown and a ground white. 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.

We recommend these standards because they are pretty universal. Above we have describes the main types of trailer wiring diagrams. Trailer wiring diagrams trailer wiring connectors. The following trailer wiring diagram s and explanations are a cross between an electrical schematic and wiring on a trailer.

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. 4 way tow vehicle side.