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  1. Agm battery and low voltage

    General Car Audio Discussion
    I have a stock alternator and put in a northstar battery. The battery was good after install. Alternator was putting out about 14 v to 13.8 now going down the road the alternator is at 13.6 to 13.4. Idle is 13.4 to 13.2. I have a high output alternator I am putting in soon. Will this fix my...
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