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-   -   1989 buick park avunue (https://www.askmehelpdesk.com/showthread.php?t=194409)

  • Mar 13, 2008, 08:30 PM
    jerry4p
    1989 buick park avunue
    I been having this problem for a least two moths for some reason when I turn my car on a leave it running on the road, I say for 15 min the voltage level light comes on and then the gauge goes to I say 10 volts and then for it goes back to normal sometimes the level shoots all the way to the max then goes back to normal. I have turn the car off when the light and gauge goes on and to 10 volts I start the car back it turns back on. Leave it running for while it goes back to normal please help
  • Mar 13, 2008, 08:31 PM
    youcantstop48
    Sounds like you want to get your gauge checked, now I have seen altenators overcharged and dropped voltage, but it really sounds like its your gauge!!
  • Mar 14, 2008, 09:54 AM
    TxGreaseMonkey
    The alternator likely needs replacing or rebuilding.

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