If you leave the battery disconnect switch in the on or closed position and have your 120 volt cord plugged in to the shore cable connection with an adapter, everything should work, charging the batteries and making the fridge work. These rigs have a smart charger and will take care of your batteries while keeping them charged.
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Bob & Becky
2012 3402RL
2012 Chevy 2500HD D/A CC 4WD
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