how to test a starter for a car
Test a starter solenoid by applying current directly from the battery. 1  Remove the ignition switch wire from the solenoid and, using an insulated screwdriver, short the solenoidâs positive post to the terminal where the ignition switch connects.2  Doing so will apply 12 volts directly from the battery.. Test a starter solenoid by applying current directly from the battery. 1  Remove the ignition switch wire from the solenoid and, using an insulated screwdriver, short the solenoidâs positive post to the terminal where the ignition switch connects. 2  Doing so will apply 12 volts directly from the battery.