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2003 Ford Expedition Battery Light

Tiny
ZORETT
  • MEMBER
  • 2003 FORD EXPEDITION
  • V8
  • 2WD
  • AUTOMATIC
  • 102,465 MILES
Bettery came on, took it to the auto part and the battery was bad it was replaced but the battery light still on. Went back and the alternator was checked and it came out good. Light still on. Any ideas?

Thanks
Monday, April 26th, 2010 AT 10:46 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
I want you to complete a simple test on the alternator. The alt may be good, but the wiring to the battery (fuseable link) may be bad. As a result, the alt will test good, but can't charge the battery. This test will check for alt output at the battery so you will know if you are getting power to it.

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

Check it and let me know what you find.
Joe
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Thursday, May 6th, 2010 AT 1:37 PM

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