Have you ever had someone come in to the shop and say that their alternator is bad and there reasoning is because a parts store tested it and it failed. I’m sure you’ve had this happen or even been the one having it tested. Well many times the tests are not accurate on these machines. So what do you do?

In this video the Professor will walk you through step by step how to properly test an alternator and be sure 100% that it’s failed, failing, or passing. You’ll see how to prove an alternator has failed even though it’s passing all the parts store testers.

We hope you enjoy this and as always if you have any questions or comments leave them below! Thanks for the support! Enjoy.