Brad, sounds like a short to me, too. Only way to find out is to test every length of wire for continuity.....that is a pain in the butt. Is this a problem that has begun to occur since you started remodelling the interior of the trailer? If so, the odds are you might have put a screw through a wire somewhere, or the insulation on a wire has rubbed against metal and is now grounding to the metal. This happened to me when I had wood floors installed in my coach. Somehow a tack went through one of the thermostat wires connecting to the front electric heater and it quit working....
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