How To Test A Starter Motor On A Car. Finally the last step is to check the voltage that is reaching the starter. Not the most scientific test.

When your car has a negative earth system then you should connect the positive end of the voltmeter to the solenoids feed terminal. Test that the starter motor is receiving 12 Volts on its battery circuit. If the car stops then the alternator is not working properly.
Theres a good possibility that the engine is indeed locked-up but we need to perform one more test to make sure.
How to test troubleshoot check a starter for correct operation. Bench-Testing The Starter Motor. A car with a bad starter motor usually wont turn or crank at all. 3the drive gear failing to restore in time leading to it being driven by.
