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Alternator meter

Asked Jun 10, 2011, 08:30 PM — 1 Answer
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.

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TxGreaseMonkey's Avatar
TxGreaseMonkey Posts: 15,518, Reputation: 5338
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#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:

http://www.askmehelpdesk.com/cars-tr...ml#post1973613
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