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What is wrong with your battery if it doesn't charge on a charger but will jump start?
Wiki User
∙ 14y ago
Bad connection between the cable end and the battery post or a dead cell in the battery. When you jump a battery, the jumper cable is attached to the battery cable, not the battery itself. Clean the post, either top or side and the ends of the cables and try charging again. If it will not take a charge, it is a bad battery.
Wiki User
∙ 14y ago
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