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Troubleshooting Trailer Brake Controller with Fluctuating Voltage


Output voltage fluctuates if i slightly move controler.


Expert Reply:

On your trailer brake controller, the fluctuating voltage if it is output would be due to the accelerometer that is integrated in the controller if it is a proportional controller but it being so touchy still doesn't sound normal. Whether it is proportional or time delayed in function there likely is a malfunction or connection issue. I've attached an article to assist with troubleshooting.

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