Battery light will not turn off

2010 CHEVROLET MALIBU
82,000 MILES • 4 CYL
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ERICA0327
  • MEMBER
  • 1 POST
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?
Feb 8, 2019 at 5:41 AM
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ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 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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Apr 27, 2021 at 2:38 AM
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