blown fuse
Installed a new Maxxair vent fan in the bathroom today. I wired into the existing wires for the vent fan, and every thing was fine. About 30 minutes later I here a pop and a 12 volt fuse blows. The fuse is marked furnace. The fuse also controls the thermostat, the refrigerator, the bathroom fan, and the stove light. I expect a problem with the new bathroom fan so I disconnect it and replace the fuse. It instantly blows, I look for a problem with shortrd wiring, find none. I remove lower cover for refrigerator and check the 12 volt wire at the junction connector, disconnect the wire and replace fuse ,it does not blow. But no refrigerator, I checked the refrigerator for shorts and it is fine, I ran a new wire from a blank spot on the fuse panel to the refrigerator and it is running fine. I am going to have to take it to a dealer I guess di not like bad wiring in a wall or ceiling. This is a 2017 26RLSWE Hideout Travel Trailer we have had for 5 weeks. I am a retired Mechanic with 40 years experience in vehicle repair and maintenance. Any other ideas where to look for a short, the red and white wire at the refrigerator connection was a dead short to negative.
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