Ah Steve .... Don't do this with a Dodge either. There ain't no isolater. Yes, the truck charges the coach battery, but slowly due to the 20+ feet or very thin wire between the alternater and the coach.
My rule of thumb is if I stop for the night and the furnace comes on, I unplug the truck. I also have the Honda on board with a 12 volt chargeing cable. Powering up the coach with the Honda would charge the truck via the converter, but again, 20+ feet of thin wire would make it a very slow charge.
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