Question about 2000 Ford F250 Super Duty Crew Cabs

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Battery light comes on, and off, rev up and goes

2000 Ford f 250, Battery light comes on, and off, rev up and goes out.

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  • carrfamily Oct 04, 2009

    It actually was the alternator. I was on my way to work when it went out completely. Luckily I made it to the parking lot where I was able to fix it. Also I replaced the serpentine belt in the process. I figured 210,000 on the old one was enough. Thanks for the help!

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  • Ford Master
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Either the fan belt is loose or your alternator is starting to wear out. Tighten the belt if it is separate or have a hard look at the tensioner if it's on a serpentine belt. It may be starting to lose some tension.
If this is okay get the output checked on the alternator at idle,and revved up. If there is a noticable difference between the 2 the alternator should be replaced or repaired, if you know a good shop. Hope this helps.

Posted on Oct 02, 2009

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  • Master
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You have a diode going out of your altinator,you need a new alt

Posted on Oct 02, 2009

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