Semi Trailer Wiring Color Code. I do have a handy trailer wiring faq article that would be perfect for you. 7 way rv travel trailer 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.
White ground return 8 gauge. As you can see the 7 way round pin trailer connectors do not use the typical pin functions. Green with red or white stripe.
Trailer wiring color code connector function color suggested minimum wire gauge where to attach vehicle side where to attach trailer side 4 way 5 way 6 way 7 way 7 way 6 way 5 way 4 way right turn green 18 16 right turn of vehicle s wiring harness trailer s right turn signal left turn yellow 18 16 left turn of vehicle s wiring harness trailer s left turn signal.
This car is designed not only to travel one location to another but also to carry heavy loads. Trailer wire color codes colors coordinate with trailer wiring diagram. It is recommended that a circuit tester be used on the tow vehicle s wiring harness to verify that the correct wire has been located for the proper function. I do have a handy trailer wiring faq article that would be perfect for you.
