Fantastic Trailer Harness Color Code

Trailer wiring color diagram 7 way trailer wiring color diagram trailer light color wiring diagram trailer plug wiring color diagram people today comprehend that trailer is a vehicle comprised of very complicated mechanics.

Trailer harness color code. Connect to blue wire from brake controller. Trailers longer than 15 feet and heavier than 1 500 lbs must have a brake system that means another circuit for hydraulic brakes. Trailer wiring color code explanation.

Caution if your vehicle has a diagnostic indicator that tells you when a lamp is burned out or not functioning you may need special wiring adapters and testers. Making the wiring connections is easy. Yellow left turn brake remember yellow has an l in it.

Single purpose system. Left turn brake lights. 7 way rv tow vehicle connector wiring color code 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.

Yellow wire to the left turn signal brake light. 7 is the center terminal and currently is most commonly used for backup lights. Green right turn brake remember green has an r in it.

This vehicle is designed not just to travel 1 location to another but also to carry heavy loads. When making your repairs or hooking up your trailer you simply make sure these wires are running to the appropriate component as shown above. White wire to common or chassis ground.

Splice the wires directly into your trailer wiring harness. Yellow left turn lights brakes. The colors for wiring a 7 way connector are as follows with the 4 colors of the 4 way connector remaining the same.