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Discussion Starter #1
I have a 2014 Sierra 1500 with tow package. The diagram for the 7 way trailer connector shows a continuous 12v pin that is referred as 12v accessory / charging. It has continuous un-switched power to this pin. If I have an auxiliary battery on the trailer to power my winch, will it keep the winch battery charged as needed, or will it run both starting and auxiliary battery down?
 
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