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  1. #1

    Keep blowing my 20 amp fuse

    I have 4 pin wiring on my truck with a led light on the truck connector that shows when the lights are used. The fuse does not blow until I hook the trailer up and put on the flasher. Any idea on where to start to trouble shoot. I assume that the truck wiring is good because the lights on the 4 pin adapter work all the time and the fuse does not blow until the trailer is hooked up. I looked at the lights on the trailer and there does not appear to be corrosion. Trailer is a double Karavan. Thanks for any help.

  2. #2
    Found the problem> My Id lights were shorting out. Just disconnected them for now. How important are the Id lights on my trailer. They are cheap to replace but might just leave them off.

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