Why is the "battery not chraging" light on?
4 Answers
crumbob answered 2 years ago
charge your battery start your car let it run for 30 min and come back and see if it really isn't charging
carmen707 answered 2 years ago
Well I did all that. It starts fine, just not sure if we need to do something like reboot I don't know..
Tom answered 2 years ago
Sometimes those rebuilt alternators are bad out of the box, do what crumbob suggested and put a voltmeter on the battery while running, is it at 14V? If not then, your going to have to replace the alternator with another one. If you don't have a meter, you can have the auto parts store check it for you.
Andrew answered 2 years ago
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.
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