Why is the "battery not chraging" light on?

10

Asked by carmen707 Oct 24, 2014 at 02:28 PM about the 2003 GMC Yukon SLE 4WD

Question type: Maintenance & Repair

I had my alternator and battery changed also tested after them being changed out. The "battery not charging" light is still coming on why is that?

4 Answers

17,445

charge your battery start your car let it run for 30 min and come back and see if it really isn't charging

6 people found this helpful.
10

Well I did all that. It starts fine, just not sure if we need to do something like reboot I don't know..

1 people found this helpful.
60,215

The diodes may be going bad. I've seen a few test good but after swapping to a new one the light goes out. The indicator is very sensitive on these gm trucks. They throw the light before the problem is to the point damage is done.

5 people found this helpful.
20

Doesn't anybody check ac ripple anymore ? Just move switch from vdc to ac volts

2 people found this helpful.

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