I have off road lights on my brush guard and purchased the OEM switches. the wires are marked A-B-C. Does anyone REALLY know what wire is what ? One is a ground ,one is 12V+,and one is switch /ACC.It seems every one I ask has a different answer.

 

Here is an answer.

The OEM aux light switch the 3 pins marked A,B, and C where the switch and pigtail connect.
A = GND
B = ACC
C = +12V

The separate wiring harness (P/N 19131428) is available from GM and suppliers,but you could make your own by just using butt connectors to fit the pins.

 

thank you, thats the right combination. Switches are in.

 

"GROUND CONTROL TO MAJOR TOM...." Great song by the way

 

UGHHHHH.................[:@][:'(]