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voltage

This is a discussion on voltage within the Internal Engine forums, part of the LSx Technical Help Section category; my gauge inside my car always reads borderline on the yellow or just above it if i turn my a/c ...

  1. #1
    infantryman tingo99's Avatar
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    voltage

    my gauge inside my car always reads borderline on the yellow or just above it if i turn my a/c on it just goes down a little into the yellow do i need a new alternator or battery

  2. #2
    infantryman tingo99's Avatar
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    i got the battery and alternator checked today and its all normal anyone know what it could be?

  3. #3
    cutting and welding mark21742's Avatar
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    main thing is that it stays out of the red, do you know what your voltage is with the engine running and with it off?

  4. #4
    Veteran Hi-Po's Avatar
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    Get a real test going. Buy ya self a volt meter, test what your alternator is putting out, see it with your eyes not with autozone eyes.

  5. #5
    infantryman tingo99's Avatar
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    i did the test and the alt. is pushing 60-63 amps now my question is i think we have 100 amp alternantors in our cars right so shouldnt it be pushing close to that or should i just upgrade to a 140 amp alt.

  6. #6
    infantryman tingo99's Avatar
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    oh and thats 60-63 amps at around 2000 rpm

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