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Question Was Asked By - Austin
Brake Controller Only Working when Using the Slide
Question:
I just transfered my powertrac brake controller from my 1999 GMC sierra to my 2006 2500HD duramax. THe light comes on when I plug in the trailer plug, but when I mash the brake, the trailer brakes do not work. However, I can slide the button that fully engages the trailer brakes on the brake controller and that works.
asked by: Austin
Expert Reply:
First thing I'd do is use a circuit tester to check the red wire coming out of the rear of the controller to make sure you get voltage when the brake is pressed. You might also have a blown fuse either in the under dash panel or in the power distribution box under the hood. I'm assuming you have the controller plugged into the port in the junction box under the hood and not hardwired? You could also try turning the gain up and see if that helps things.
expert reply by: Mike
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