But how would a melting switch work one direction and not in the other when a single line fuse blew? It sure seems that there are two circuits, but I have NO clue.
Crossthread, did you replace it with another 20 amp switch?
Glenn, another curiosity. Were you plugged into shore power and if so, was it 30 amp or 50 amp? This shouldn't have mattered because isn't the 40 amp fuse running off the 12V DC power?
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