1992 Ford Aerostar amp light on

1992 FORD AEROSTAR
193,000 MILES • 6 CYL • 2WD • AUTOMATIC
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SRX822
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  • 1 POST
The amp warning light on the dash came on today....and went off... and came on and so on. I'm thinking voltage refulator but don't know if there is a charge controller or other device in the alternator. How best to isolate the problem? Anything else to look for?
Jun 24, 2009 at 6:50 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,248 POSTS
The regulator is part of the alt. Here is a how to for checking the alt:

https://www.2carpros.com/how_to/how_to_test_alternator.htm

Also, most parts stores will check it for free on the car.
Sep 11, 2009 at 2:39 AM
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