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Troubleshooting Brake Controller Malfunction When Trailer Plug Gets Wet


Hi my Hyman Reese controller shows brakes activating when I brake with no trailer connected . 00 showing basically shorting out , turning on off with the self resetting circuit braker ,this only happens in the rain. The tralier plug is wet ofcourse. My question is ,is this common ? And Should the plug stay dry, if so there a way to keep the plug dry I guess the self resetting braker will burn out if not already as it was not flicking on off recently.


Helpful Expert Reply:

In order to protect your circuit breaker and your controller, you do need to keep moisture out of the electrical connections causing shorts. My recommendation is to use dielectric grease # 11755 to keep moisture and debris out of your connections. Use this at any connection point to give you a more secured connection. If you don't already have a cover for your trailer connection on your trailer, I recommend replacing your connector with one that has a spring loaded cover to keep a tight seal when not in use.

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