Semi Trailer Wiring Color Code. The wiring color codes and wire gauge recommendations for the pollak heavy duty 7 pole round pin trailer wiring connector item pk11700 are listed below. White ground return 8 gauge.
I have included a link to it. Trailer wiring color diagram folks understand that trailer is a vehicle comprised of rather complicated mechanics. Sep 19 2019 7 pin trailer plug light wiring diagram color code.
Black clearance side marker identification 12 gauge.
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. I have included a link to it. 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. This car is designed not only to travel one location to another but also to carry heavy loads.
