Disconnect Car Battery While Running. Start By Turning The Ignition Off. Answer 1 of 13.
I went in to autozone again today and one of the employees told me that a way I can check if the alternator is good is to turn the car on and then disconnect the battery while its running. While the engine is running or the ignition key is turned on. This is a common backyard mechanic technique to test if your alternator is working properly.
Disconnecting A Car Battery.
Disconnect the negative terminal of the battery. Find Your Car Batterys Negative Terminal. Automotive Car Battery With Negative Cable Removed. You should always remove the negative battery terminal first to reduce the risk of sparks which can make the car battery explode.
