yes, you need to put in a 50 dollar isolator between the alt and house batts, the isolator is like a big diode which only allows electricity to go one way.
blizz
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2001 GMC 6500 Topkick, 22' box, dropped frame, designed to fit into a 9' garage door. 3126 CAT 6spd Man Lo-Pro 19.5's w/ 3.07 rear axle ratio
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