Re: Re: Checking alternator in truck?

Posted by onlytony on May 13, 2004 at 15:54:36 from (152.163.253.103):

In Reply to: Re: Checking alternator in truck? posted by james williams on May 11, 2004 at 19:05:16:

The other replies are correct about a good auto
parts store will test an alternator for free.
The first thing I always check, with the motor
off, see if you can turn the alternator with your
thumb or hand, because if you can the belt is
going to be loose. If the belt is loose then the
alternator will not charge very well.

For a fast test, with the motor running put a
screwdriver behind the alternator and if it seems
like the alternator is acting like a magnet
pulling the screwdriver to it, then the alternator
is probably going to be good.

About the battery, if it is bad I would recomend
against a Walmart brand. I have not had good luck
with them and the people I know that work there
say that those batterys should say Sam's Choice
on them.

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