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Wont charge

Tiny
2CP-ARCHIVES
  • MEMBER
  • 1991 GEO METRO
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 85,000 MILES
My alternator is good, battery is good, but car won't charge. Cables are good, terminals are good. No shop I've taken it to can find out why. It has been doing this since 1994. Alternator light won't come on to say not charging. It is a three cyl made in Canada. Only car we can afford, but it is leaving us stranded way to much. I put the car on the charger twice a day and carry three batteries in back to go fifty miles. Please help!

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Thursday, January 13th, 2011 AT 8:21 PM

1 Reply

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
Just to be sure we checked the battery and alternator the correct way to ensure they are good, here are a couple guides that show how to test these:

https://www.2carpros.com/articles/how-to-check-a-car-alternator

https://www.2carpros.com/articles/car-battery-load-test

If these are testing okay, then we need to find out why the alternator is not turning on.

We need to start with a fusible link that supplies power to the alternator. Check this by checking voltage at the alternator on the white wire. If you have no voltage, then we need to replace the fusible link.

https://www.2carpros.com/articles/how-to-check-wiring

Please see the diagram below and let me know what you find with this.

Thanks
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Saturday, April 16th, 2022 AT 5:49 PM

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