Alternator will not charge battery

1999 GMC SONOMA
175,000 MILES • 2.2L • 4 CYL • MANUAL
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JBET98
  • MEMBER
  • 3 POSTS
Does the positive battery cable attach to your alternator or starter?
Jun 24, 2019 at 12:13 PM
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ASEMASTER6371
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 52,796 POSTS
Good afternoon,

Yes, there is a battery wire from the battery to the back of the alternator.

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

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

I will attach a wiring diagram for you to view. Check the alternator for power on any other wires.

Roy
Jun 24, 2019 at 12:54 PM
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