Battery not charging

2008 PONTIAC G6
10,000 MILES • 2.4L • 4 CYL • AUTOMATIC
Avatar
OLIVIA JEAN
  • MEMBER
  • 1 POST
I've replaced the alternator, put in a new battery and replaced fusible link from alternator to solenoid. Battery still not getting a charge. Not really sure what else it could be.
Jan 11, 2021 at 11:24 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
Advertisement
Avatar
KASEKENNY
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 18,907 POSTS
We need to check the voltage coming from the ECM to the alternator. I am attaching the info on how this works but basically the ECM turns the alternator on and off when needed. So if it is not charging then it is most likely not being told to turn on.

To do this, we need to check the voltage on all three wires at the alternator when the engine is running. Let me know what each is and we can go from there.

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

Please see below for the needed info. Thanks
Images (Click to enlarge)
Attached Media
Attached Media
Attached Media
Attached Media
Jan 11, 2021 at 7:54 PM
Advertisement