When the car battery does not charge it may be that the ALTERNATOR is failing.

This video shows you how to check if the ALTERNATOR is operating correctly as well as the parts involved in its operation.

It is necessary to check the alternator band, the alternator and battery cables.

With a multimeter we can measure the operating voltages of the empty battery and with the car's engine running to check the operation of the ALTERNATOR.

More information:
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