Trailer Light Plug Diagram

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.

Trailer light plug diagram.

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. Trailer wiring diagrams 4 way systems 4 way flat molded connectors allow basic hookup for three lighting functions. The basic purpose remains the same whether your truck and trailer is using a 4 way 5 way 6 way or 7 way connector. By law trailer lighting must be connected into the tow vehicle s wiring system to provide trailer running lights turn signals and brake lights.

The trailer wiring diagram shows this wire going to all the lights and brakes. 4 way tow vehicle side. Trailer electrical connectors come in a variety of shapes and sizes. If the trailer plug wiring on your vehicle or trailer is damaged or not working correctly you can replace the connector with a curt splice in plug or socket.

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. Back up lights ground 7 way pin style trailer side 7 way rv blade style trailer side 6 way round trailer side. Wiring plug diagram created date. 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.

Plugs trailer side and sockets vehicle side are available in all standard formats and can be spliced into your existing tow wiring. Trailer wiring diagrams trailer wiring connectors. Find the trailer light wiring diagram below that. Right turn signal stop light green left turn signal stop light yellow taillight license side marker brown and a ground white.

Also it must connect with things if included that use the aux power and back up lights too.