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    thinthin54's Avatar
    thinthin54 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Jun 10, 2011, 08:30 PM
    Alternator meter
    I bought a volt meter that plugs into my power port,and it shows the alternator flickering between 13.6 and 13.8 volts when driving and 11.8 volts when I take the key out of the ignition.Is this normal? Should I have my battery charged? Thank you.
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
    Uber Member
    		  
    #2

    Jun 11, 2011, 06:05 AM

    Start by removing and fully charging the battery. Regulated battery voltage should be 14 to 15 volts. It sounds like the alternator is failing, to me.

    This link should help:

    https://www.askmehelpdesk.com/cars-t...ml#post1973613
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