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Answered 2009-06-21 21:47:29

YES. it will ruin your battery as the battery needs the alternator too recharge a full battery will last you 30-40 min maybe more or less depends.. it will drain your battery and make you stall (you mite be able too recharge later)maybe) if your alternator is bad YOU must get a new or used one ,its recommended if you get a new alt. get a new bat. as this will supply you years of trouble free from your car electrical issues.

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