Alternator voltage?

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Thread: Alternator voltage?

  1. #1
    Driver's Ed
    Join Date
    May 2016
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    2

    Alternator voltage?

    My charging voltage never drops below 14.5 and sometimes it get above 15. From what I understand it should drop down into the 12's but never does? Is this a feature that has to be activated by a dealer?

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  3. #2
    Drag Racing Champion
    chevrasaki's Avatar
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    Mine is the same way. I've only seen it drop to 12.6V when I bought a brand new battery and drove an 8 hour round trip. Only then did it drop briefly but it didn't stay there for long. From what I understand there are so many electronics that draw electricity, it will rarely stop charging/providing amps to the running electronics, mainly the daytime running lights.

    I believe this behavior is normal.
    Current vehicles:
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    Previous vehicles:
    2006 Kawasaki Ninja 250 (Owned from 3.3K to 10.8K, Sold privately to buy Ninja 300)
    2009 Chevrolet Cobalt 5MT 2LT 2.2L I4 2-Door (Owned from New-93K, Traded for Cruze)
    2003 Pontiac Grand Prix 4AT SE 3.1L V6 4-Door (First car, Owned from 93K-133K, Traded for Cobalt)

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