Why Does My Alternator Not Charge The Battery. Re-installed the alternator and took the flat battery up to Advance Auto Parts to take advantage of their free charging service. Use your multimeter if you dont have one get one.
There are two ways that it can do this. The charge in your battery does not last long without the alternator there to keep it running properly. The alternator is the part of your car responsible for maintaining the batterys charge.
When your engine is on it powers a drive.
Not charging battery load teat is fine. When the battery is full the alternator stops producing electricity to charge the battery while still producing electricity to run the rest of the car. Fixing your battery or alternator can be an expensive repair. When your engine is on it powers a drive.
