[SOLVED] 3 way fridge won't run on 12v
Edit: Solved The switch, which I had previously determined was the problem and replaced, was in fact the problem. Replacing the switch with a new one had fixed the original problem. However, the is...
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When I looked at the wiring diagram in the manual I linked (different manual but seems to cover many of the same models), looks to me like Thermostat is in fact two-wire and the circuit relies on that multi-contact switch to provide ONLY 12VDC OR 120VAC. Does this by making both sides of the selected power source and breaking both sides of the de-selected source. Suggests to me that an internal switch failure, like a contact falling out of its insulated carrier, could result in crossing/backfeeding those circuits. I don't like that, but it sure seems that's what Dometic did.
Reminds me of the selector switch on boats that connects the boat to either shore tie cable or onboard generator, and locks the other one out. You have to move a little slider out of the way to move the switch, then the slider drops in place to prevent the switch from being moved back.
Reminds me of the selector switch on boats that connects the boat to either shore tie cable or onboard generator, and locks the other one out. You have to move a little slider out of the way to move the switch, then the slider drops in place to prevent the switch from being moved back.
