Assuming you don't have shore power, and even if you do, the batteries should not be disconnected as 12V is required (whether on gas of electric).
The fans have a thermostat and don't come on until they reach some preset temp (140 degrees??)
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Carl (n Susan)
There is more to life than fuel mileage.
2012 Montana 3700RL Big Sky Package towed by a 2015 Ford F350 6.7L PSD 4WD CC LWB
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