[Gunsworth]

MY truck has this AUX button below the stereo that the manual says can be used for cab lights that I dont have. when I turn it on I hear a relay click behind the driver seat so I figure it is already wired but where can I get to it. I want to use this for my strobe when plowing. its an 01 2500HD silverado

 

[GetItOffroadGMC]

Thats what that button is for.

If Im correct there is a tap for it behind the third brake light. I will ask my brother as he hooked all of ours up.

 

[kargod]

In the crew and extended cabs it was near dead center by the dome light under the headliner. There was a little sheet of paper thrown in with the owners manual that gave the location and specs of that circuit. Had I not thrown it out I would scan it and e-mail it to you.

 

[fordboy]

Located driver side under headliner taped to the roof. I have wired a bunch of these and thats where they have all been