Changed battery and alternator. Battery light is still on

2011 CHEVROLET MALIBU
98,000 MILES • 2.4L • 4 CYL • 2WD • AUTOMATIC
Avatar
WILLYANTONY77
  • MEMBER
  • 4 POSTS
Battery was not charging. Changed battery and alternator. Battery light is still on and battery is not charging. Had the alternator checked and is working.
Mar 2, 2020 at 10:18 AM
Advertisement
Avatar
ASEMASTER6371
  • ✓ASE Certified Mechanic
  • 52,796 POSTS
  • ASE Certified Mechanic
Good afternoon,

It sounds like the alternator is bad but to be sure lets test it by following these videos and guides.

https://youtu.be/Z-p4dMJUpUw

and

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

I have uploaded the alternator wiring diagrams so you can see how the system works.
Check out the diagrams (Below). Let us know what happens and please upload pictures or videos of the problem.

Images (Click to enlarge)
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Mar 2, 2020 at 12:20 PM
Avatar
WILLYANTONY77
  • MEMBER
  • 4 POSTS
Thank you so much for your help. The alternator seems to be working fine. grounds all seem to be okay, I changed out the generator fuse and it started working.
Mar 3, 2020 at 10:19 AM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
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.