Mechanics

CHECK CHARGING SYSTEM LIGHT

2004 Ford Taurus • 93,000 miles

Changed alternator 4 times the last one was brand new checked battery it shows its a good battery we changed the serpentine belt changed the tensioner and the light still comes on and it goes off if you rev it up over 2000rpm the light comes back on when the car idles down
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Steve1977
July 20, 2013.




ALT field energized via the PCM so suspect PCM is at fault

Docfixit
Jul 20, 2013.


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