Trailer Electrical Connector Wiring Diagram

By law trailer lighting must be connected into the tow vehicle s wiring system to provide trailer running lights turn signals and brake lights.

Trailer electrical connector wiring diagram.

We recommend these standards because they are pretty universal. Below is the generic schematic of how the wiring goes. Trailer electrical connectors come in a variety of shapes and sizes. Above we have describes the main types of trailer wiring diagrams.

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. 4 pin trailer wiring diagram. The following trailer wiring diagram s and explanations are a cross between an electrical schematic and wiring on a trailer.

The basic purpose remains the same whether your truck and trailer is using a 4 way 5 way 6 way or 7 way connector. Note that this type of 4 pin connector is less common that 4 pin flat connector. 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.

Right turn signal stop light green left turn signal stop light yellow taillight license side marker brown and a ground white. Trailer wiring diagrams 4 way systems 4 way flat molded connectors allow basic hookup for three lighting functions.