1984 Ford F 150 Bad Alternator Ha Battery Charged Starter Working Think S

1984 FORD F-150
199,500 MILES
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How do I know if I have a bad alternator ?

I ha the battery charged and the starter is working. I think it's the alternator But I unable to get the truck to a service tech to test the alternator.
Jan 5, 2013 at 7:39 AM
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ASEMASTER6371
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it needs to be running and putting out 14 to 14.5 volts at the battery

Roy
Jan 5, 2013 at 7:47 AM
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