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Thread: Battery

  1. #1
    Newbie Array
    Join Date
    Jul 2019


    Had my alternator checked and said was good put on a new tensioner and still the battery goes dead not sure wat else to check have 2006 magnum with a 3.5
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  3. #2
    Newbie moparleo's Avatar Array
    Join Date
    Apr 2014
    Moreno Valley California near Riverside
    How was it tested ? In the car ? The battery must be fully charged and tested BEFORE you can test the alternator or anything else in the charging system. Alternator output should be 13.5 to 14.5 with the engine running with a load( Lights or a/c turned on).
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