Towing Light Wiring Diagram

3 4 inch by 1 inch 6 way rectangle connectors right turn signal green left turn signal yellow taillight brown ground white.

Towing light wiring diagram. 5 wire trailer wiring 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. 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. The four wires control the turn signals brake lights and taillights or running lights.

They also provide a wire for a ground connection. Trailer wiring diagrams trailer wiring connectors. The trailer wiring diagram shows this wire going to all the lights and brakes. 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.

While the basic configuration is a 4 way flat connector that features one female and three male ends you may come across connectors with up to seven pins for additional functions that require wiring including electrically actuated brakes power source for a winch etc. Can also be used as custom wiring on trailers with 3 light wire systems. 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. 7 way plug wiring diagram standard wiring post purpose wire color tm park light green battery feed black rt right turn brake light brown lt left turn brake light red s trailer electric brakes blue gd ground white a accessory yellow this is the most common standard wiring scheme for rv plugs and the one used by major auto manufacturers today.

Also it must connect with things if included that use the aux power and back up lights too. If you are rewiring your trailer completely check out our trailer rewiring guide. Let s see what types of connectors the trailer light wiring industry uses today. The red and blue wire can be used for brake control or auxiliary.

It will help to have an understanding of trailer light systems and we recommend reviewing trailer wiring diagrams before starting this project. An extra pin allows using another extra function. Though trailer lighting systems are available in an array of configurations the most popular is the 4 way system. Plugs trailer side and sockets vehicle side are available in all standard formats and can be spliced into your existing tow wiring.

Find the trailer light wiring diagram below that corresponds to your existing configuration. Trailer wiring diagrams trailer wiring connectors 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. As the name implies they use four wires to carry out the vital lighting functions.