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Battery light will not turn off

Tiny
ERICA0327
  • MEMBER
  • 2010 CHEVROLET MALIBU
  • 4 CYL
  • 82,000 MILES
Last week I left the key on, so I asked my neighbor for a jump and he accidentally switched the cables. But then the battery light came on. Fast forward a week I have replaced the battery, the alternator, the fusible link, and the battery current sensor and the battery light still comes on. Can someone please tell me how to get rid of the light so I can drive it again?
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Friday, February 8th, 2019 AT 1:41 PM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning,

Can you use a voltmeter and the voltage at the battery with the engine running?

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

By crossing the cables, they may have damaged the PCM which does control the alternator for maintaining the battery.

Roy
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Tuesday, April 27th, 2021 AT 9:38 AM

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