CHECK CHARGING SYSTEM LIGHT

2004 Ford Taurus

Tiny

steve1977

July, 20, 2013 AT 10:25 AM

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

FOUND 1792 RELATED QUESTIONS

Why Is My Battery Light On?

35 ANSWERS
1 IMAGE

Gen Light

28 ANSWERS

1 Answer

Tiny

Docfixit

July, 20, 2013 AT 11:23 AM

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

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Alternator testing done right
Alternator Replacement Ford Super Duty