Televisions also are in standby mode when turned off... If you added two new interstates to old batteries already in the unit, the old batteries will vampire the new ones, which is why you always change all batteries at the same time.
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2012 F350 6.7 L dually, 2013 3800RE with 6 pt leveling, Sumitomo 17.5" load range h tires, Samsung 18 cu ft residential fridge, 8k Morryde I.S. with disc brakes. Full timing since 2012.
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