7 Pin Trailer Plug Wiring Colors

In the trailer wiring diagram and connector application chart below use the first 5 pins and ignore the rest.

7 pin trailer plug wiring colors. 7 is the center terminal and currently is most commonly used for backup lights. This trailer wiring color diagram model is much more appropriate for sophisticated trailers and rvs. This ford trailer plug wiring diagram model is more suitable for sophisticated trailers and rvs. Trailer wiring diagrams trailer wiring connectors.

Use the 7 pin connector anyway see below and just leave out the last 2 wires. Here is the diagram for 7 pin connector. It can transfer electricity better so the connector is recommended for higher level electric in the vehicle. 7 pin trailer wiring is one of the most popular wiring configruations particularly the traditional configuration versus the sae j2863.

Jun 27 2017 7 pin trailer plug light wiring diagram color code. If your truck has a built in 7 pin socket but you only need 5 of the pins. 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. I have attached a diagram which covers both the most common wire colors designated for a seven pin trailer connector and a seven pin vehicle connector referencing the wiring colors for each blade and what each blade is responsible for.

Use this 7 pin trailer wiring diagram to properly wire your 7 pin trailer plug. It may transfer power better so the connector is suggested for higher level electric in the auto. Brown pin for unwanted markers tail lamps and running lights. 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.

Color gage circuit function connector interior 1 white 10 common ground 2 blue 12 electric brake 3 green 14 tail running lights 4 black 10 battery charge 5 red 14 left turn stop 6 brown 14 right turn stop 7 yellow 14 auxiliary back up note. Figuring out what color wire goes to what function is sometimes quite confusing. White pin to your ground.