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What I was planning on doing is placing frozen gallon jugs in the freezer/fridge. Running the fridge the while driving the first day, using the disconnect switch's while parked overnight, about 8-10 hours, and then running fridge off truck again the second day...I think the freezer/fridge will keep things cold enough overnight, maybe? Both the F350 and 3791RD have two batteries. Thoughts?
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