Basic Trailer Light Wiring Diagram

5 wire trailer wiring diagram.

Basic trailer light wiring diagram. 5 way trailer wiring diagram allows basic hookup of the trailer and allows using 3 main lighting functions and 1 extra function that depends on the vehicle. 4 way trailer connectors are. This diagram shows the colors of a basic trailer wiring setup as well as what each wire is supposed to be connected to. They also provide a wire for a ground connection.

Though trailer lighting systems are available in an array of configurations the most popular is the 4 way system. Trailer wiring diagrams 4 way systems. The four wires control the turn signals brake lights and taillights or running lights. Trailer wiring diagrams trailer wiring connectors.

4 way flat molded connectors allow basic hookup for three lighting functions. An extra pin allows using another extra function. As the name implies they use four wires to carry out the vital lighting functions. 4 way trailer connectors are typically used on small trailers such as boat snowmobile utility and other trailers that that do not use brakes.

Right turn signal stop light green left turn signal stop light yellow taillight license side marker brown and a ground white. A simple closed system while it s never a good idea to dive into a wiring project blind trailer wiring is actually very simple to work on and troubleshoot. Put another way what if you want to run a basic diagram or are building a stripped down cafe racer or scrambler. Also it must connect with things if included that use the aux power and back up lights too.

Some trailer builders just connect this wire to the frame then connect the ground from all the other lights and accessories to the frame as well. It will help to have an understanding of trailer light systems and we recommend reviewing trailer wiring diagrams before starting this project.