Which Battery Cable Do You Remove To Check Alternator. That was the risk of it. If you have a newer battery but your car wont start you may have a bad alternator.
You need to start the car by keeping the hood open. A good alternator may indeed keep the engine running without the negative cable but this was never a good test. First open the hood and start the car.
A 10 dollar Chinese voltmeter will tell you if your alternator is charging.
Instead use a voltmeter to perform a basic and safe test. Alternator test with a voltmeter If youre tempted to test an alternator by disconnecting the negative battery cable dont do it. If you find any corrosion or dirt around the battery area remove it. To do a quick check on an alternator I was told that you could start the car and then remove the negative battery cable.
