Quote:
Originally Posted by jimbo12
My best guess is the yellow adapter at the end of your extension cord is only supplying power to one leg of your 50A circuit. That leg probably runs everything but the ACs. A proper dogbone vs the yellow adapter should solve the problem. You will know as soon as you get to a campground and plug in. If ACs work on shore power then the yellow adapter is the culprit.
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Each A/C should be on a separate leg.
The thermostats get control power from the furnace, which gets 12 VDC from the DC buss.
I can't think of any reason this would work on the generator but not the SP connection. I feel like a piece of the puzzle is missing.