Trailer Wiring Connection Diagram
4 way trailer connectors are typically used on small trailers such as boat snowmobile utility and other trailers that that do not use brakes.
Trailer wiring connection diagram. To connect the electric system of your trailer to the vehicle you will be using special connector. Trailer wiring diagrams 4 way systems 4 way flat molded connectors allow basic hookup for three lighting functions. Extrapolate the same expansion for additional axles. Only the blue brake and white ground wires are different.
4 pin trailer wiring diagram. 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. The image above shows a single axle trailer and the next image shows wiring for tandem axles. Above we have describes the main types of trailer wiring diagrams.
They also provide a wire for a ground connection. These 2 wire diagrams fit the needs for most trailers. 4 way tow vehicle side. Typical trailer wiring diagram and schematic.
As the name implies they use four wires to carry out the vital lighting functions. Below is the generic schematic of how the wiring goes. 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. Right turn signal stop light green left turn signal stop light yellow taillight license side marker brown and a ground white.
The four wires control the turn signals brake lights and taillights or running lights.