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  1. How do I trouble shoot an E-brake issue???

    Towing
    Here's the problem I'm having... I've tested the controller and it seems to be in working order. I've tested the trailer brakes seperate from the truck using a 12v battery and the brakes seem to be working fine, lock right up. The problem is, when I attach the trailer 7 pin male to the 7 pin...
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