Can A Bad Alternator Kill A New Battery. Eventually the car would not start. James Phaneuf Last updated.

Yes and it happens a lot. How long can I drive with a bad alternator. Called AAA they confirmed that the alternator was defective and towed the car to the dealer.
When an alternator goes bad there is a chance it can overcharge the battery.
In case your alternator is failing this can trigger many electronics in your automobile to give up working. Testing the Alternator and the Battery for an Answer. 415 1359 Views. The alternator is charging the battery with too many volts.
