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View Full Version : 07,08,09 GMC 3/4 trailer brake controller??


meets1
04-23-2009, 09:45 PM
I don't get?? What am I missing? Our 3 older trucks have the controller under the bash area and they work fine. I can't seem to get these new trucks working at all? Am I overlooking something?

seabee1
04-23-2009, 10:34 PM
go over this see if there is any thing you missed . http://www.stealthv.com/images/GMT900_Trailer_Brake_Controller_Install.pdf

Petr51488
04-24-2009, 12:49 AM
How are they not working? Power wise? Did you hook up the wires under the hood? Theres 2 taped up next to the fuse box somewhere. Ones for constant power in the trailer (interior lights) and youll have to replace the dummy fuse they have in the fuse box, and the other is for an aftermarket trailer brake controller.