HOW DO I KNOW IF I HAVE A BAD ALTERNATOR ?I HA ...

1984 Ford F-150

Tiny

Anonymous

January, 5, 2013 AT 3:39 PM

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.

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1 Answer

Tiny

ASEMaster6371

January, 5, 2013 AT 3:47 PM

It needs to be running and putting out 14 to 14.5 volts at the battery

Roy

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Alternator testing done right
Alternator Replacement Ford Super Duty