1998 Ford Explorer battery light stays on

Tiny
BOBDMAN
  • MEMBER
  • 1998 FORD EXPLORER
  • 6 CYL
  • 2WD
  • MANUAL
  • 122,000 MILES
About 3 days ago my battery idiot light came on & the voltage gage showed low voltage, slightly above the low mark. The truck ran OK until today. The battery completely died. I assumed it was the alternator & replaced it with a new unit I also replaced the battery due to age alone, just to be on the safe side. It started fine, but the gage still show low voltage & light is still on. I drove the truck all day & now the battery is almost completely dead. Please help.
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Sunday, April 18th, 2010 AT 4:39 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,005 POSTS
It sounds like a problem with the alt. Here are the directions for checking an alternator.

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

Let me know what you find.
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Friday, April 23rd, 2010 AT 1:23 PM

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