Trailer Electrical Connector Wiring Diagram

4 way tow vehicle side.

Trailer electrical connector wiring diagram.

4 pin trailer wiring diagram. We recommend these standards because they are pretty universal. 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. Above we have describes the main types of trailer wiring diagrams.

By law trailer lighting must be connected into the tow vehicle s wiring system to provide trailer running lights turn signals and brake lights. 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. Trailer wiring diagrams trailer wiring connectors. Below is the generic schematic of how the wiring goes.

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. That said for specific situations there are industrial standards with different connectors and wire arrangements. Right turn signal stop light green left turn signal stop light yellow taillight license side marker brown and a ground white. The basic purpose remains the same whether your truck and trailer is using a 4 way 5 way 6 way or 7 way connector.

This type of connector is normally found on utvs atvs and trailers that do not have their own braking system. Note that this type of 4 pin connector is less common that 4 pin flat connector.