How To Check If Your Alternator Is Going Bad. If youve been wondering how to test the alternator on your car this is the test to do. With the engine running touch the meter probes to the battery terminals.
This happens because the alternator is not generating enough electricity to keep the engine running on its own. Find out how to test an alternator. A bad alternator can leave your Toyota Camry without power and unable to move.
The first step in monitoring your alternator to check the levels is to check the alternator gauge itself.
S0 I have about 130000 mles on my 06 dually. A whining or grinding sound coming from your alternator while your car is in operation is a bad sign. S0 I have about 130000 mles on my 06 dually. If youre tempted to test an alternator by disconnecting the negative battery cable dont do it.
