AutoZone is a popular auto parts retailer that offers a free alternator testing service. This service is performed by hooking up a test light to the battery and starter terminals of your car.
If the test light illuminates, it indicates that the alternator is charging properly.
While this test is quick and easy to perform, it is not always accurate. There are a number of factors that can affect the results of the test, including loose connections, bad grounds, and faulty wiring.
As such, it is important to take the results of the AutoZone alternator test with a grain of salt. If you have any doubts about your alternator’s performance, it is best to have it checked by a professional mechanic.
How accurate is AutoZone alternator test?
While the AutoZone alternator test is quick and easy to perform, it is not always accurate.
