Water in 7-pin connector
Recently, after a heavy rain, my brake controller box started acting funny. I wasn't towing at the time, but it flashed red at me, as if the trailer was disconnected. Then it did solid red. Green for a while. Couldn't make up its mind. I went back and checked it, and there was a little pool of water inside the plastic tube for the 7-pin plug. It dried out over the course of the day, and was behaving normally several hours later, and worked fine the next time we plugged in the trailer (we checked it was dry before we did that).
My question is: Is this normal? Or is there something wrong with the cap on my connector? And how should I dry it out if this happens when we are about to tow, like if it's rained the night before we break camp?
Thanks for any advice!
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