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.

By law trailer lighting must be connected into the tow vehicle s wiring system to provide trailer running lights turn signals and brake lights. This type of connector is normally found on utvs atvs and trailers that do not have their own braking system. Below is the generic schematic of how the wiring goes. Trailer electrical connectors come in a variety of shapes and sizes.

That said for specific situations there are industrial standards with different connectors and wire arrangements. Trailer wiring diagrams trailer wiring connectors. Above we have describes the main types of trailer wiring diagrams. We recommend these standards because they are pretty universal.

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

The basic purpose remains the same whether your truck and trailer is using a 4 way 5 way 6 way or 7 way connector. Trailer wiring diagrams 4 way systems 4 way flat molded connectors allow basic hookup for three lighting functions.