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Thread: Brake controller

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    Brake controller

    So it says it’s working, the “gain” line moves when the brakes are applied or the lever is moved but not doing anything to the trailer brakes.

    Can only get about 6 volts to the plug with brakes applied.

    Doesn’t seem like enough voltage.

    Tried a different truck and the trailer stops fine.

    Anyone know if that is a plug in unit. I have 2 17s, one is a 1/2 ton and is never going to pull trailer.

    Is it possible to switch the controller?


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    rconkin's Avatar

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    Re: Brake controller

    On my 2012, I have to choose light or heavy in the settings on the EVIC. I was camped next to another Ram Cummins owner last month and he asked me how the factory controller worked on mine since he had the gain turned up all the way and felt like it was doing nothing to the trailer brakes. Turns out his was set on light electric instead of heavy electric.


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    Re: Brake controller

    Not sure which fix fixed it but it now works. I did change controller units, very easy, it just clips in under the dash. Then I found a slightly loose ground cable on the right side battery.


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