Posts Tagged: test battery

How to test your alternator

February 20, 2014

How to test your alternator If your car wont start because the battery is dead, you’ll need to test the battery and test your alternator. I’ll show you how to perform the tests, but first pay attention to this WARNING! NEVER test an alternator by disconnecting the battery cables while the is engine is running. That was a valid test back in the days when cars didn’t have any solid state electronics, but it’s not valid anymore and can cause substantial damage to expensive computers and modules. How to find … Read More