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battery not holding charge

Discussion in '2011-2014 V6 Mustang Tech' started by luisito, Nov 27, 2015.

  1. luisito

    luisito New Member

    Nov 27, 2015
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    Vineland, NJ
    I have a 12 v6 6speed and installed aftermarket radio and was good till it sat over the weekend,now it literally doent hold charge at all, I took off the headunit and put everything back to stock and it still does the same thing,if I jump start it,it starts but will not hold charge even tho the battery gage shows full charge, driving me crazy!!!