My battery light comes on and then goes off

1999 MERCURY MARQUIS
62,000 MILES
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FMATTHEIS
  • MEMBER
  • 1 POST
I've had the battery and alternator check. they are both OK. The battery and alternator have been checked and they are ok.
Apr 28, 2012 at 2:13 PM
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ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 POSTS
it may test ok with a voltmeter but if there is a failing diode in the alternator, then it is bad. i would look harder at the alternator.

Roy
Apr 28, 2012 at 2:28 PM
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