[Tucks20s]

I'm trying to wire up my backup light and I can't get it to work. So what wire is it that makes the back up lights come on? Is it the light blue one?

 

[96chevyEXT]

I think it's the white wire but it's pretty easy to tell with a test light. have someone help you by putting the truck in and out of reverse and look for the wire that has power when you are in reverse.

 

[01GMC]

Brown ... I think. I'll have to check.

 

[Tucks20s]

brown or white I'll check er out as well.

 

[01GMC]

brown or white I'll check er out as well.

Brown ..

 

[Tucks20s]

thanks