Wiring 7-Way Trailer Connector on 2002 Chevy Silverado 2500

Updated 10/24/2013 | Published 10/21/2013

Products Featured in This Question

Pollak Replacement 7-Pole, RV-Style Trailer Connector Socket - Vehicle End

(709)

$16.13

4' Pigtail Wiring Harness for Pollak Replacement 7-Pole RV Socket

(161)

$26.20

Hook Probe Circuit Tester

(58)

$12.11

Question:

i have different color wires on the truck side, trying to match them correctly, having issues. its a 2002 chevy 2500 HD.

asked by: Chris

Expert Reply:

Typically, the tow package wiring is located along the frame rail or above the spare tire. The usual wire colors and their functions are as follows:

Dark blue- brake controller output voltage
Red or Orange- 12-volt accessory power
Yellow- left turn/brake lamp
Dark green-right turn/brake lamp
Brown- running lamps
White- ground

Further back in the wire loom there will be two more wires, light blue which provides a dedicated brake lamp signal for a camper shell and a light green wire for reverse lights.

If for some reason your wires colors are different, you would use a circuit tester like part # PTW2993 and activate each lighting function one by one, as you are testing the wires to determine which wire serves which function.

I have linked you to our Trailer Wiring FAQ article that you might find helpful.

If you are using the Pollak # PK11893 that you referenced, you will need a pigtail like part # PK11998.