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  1. S

    used the wrong brake controller

    I unplugged a lot of connections then plugged them back in my shifter work again, so does my brake lights. check engine light went off. still have ABS light and traction lights on. along with a list of codes U1110 U1120 U11BC U11E9 U12A8 Po57C U11BF Uo100 U0121 most say current or permanent. ...
  2. S

    used the wrong brake controller

    Hi. Can someone tell me how to fix my screw up? I put a used 2014 Ram 1500 Trailer Brake Controller (Quest) in a 2020 Ram 1500 classic. I didn't notice anything wrong until I was told my left brake light stayed on. I unplugged the Trailer Brake Controller, and the brake light went out, but now...
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