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    jerry4p's Avatar
    jerry4p Posts: 8, Reputation: 1
    New Member
    		  
    #1

    Mar 13, 2008, 08:30 PM
    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
    youcantstop48's Avatar
    youcantstop48 Posts: 152, Reputation: 16
    Junior Member
    		  
    #2

    Mar 13, 2008, 08:31 PM
    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!!
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
    Uber Member
    		  
    #3

    Mar 14, 2008, 09:54 AM
    The alternator likely needs replacing or rebuilding.
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