The fan operates on 12V and is activated by a temp sensor/switch. It moves air over the cooling unit to help keep things cold when it gets hot outside. It will operate any time the temps in the cabinet reach the threshold of the switch. Will it drain your battery when your boondocking? Sure, but how long will it take depends on a few factors like the condition of the battery(s), how long the fan runs etc
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2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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