Load Test

WARNING: WHEN SERVICING THE STARTER MOTOR OR PERFORMING OTHER UNDERHOOD WORK IN THE VICINITY OF THE STARTER MOTOR, BE AWARE THAT THE HEAVY GAUGE BATTERY INPUT LEAD AT THE STARTER SOLENOID IS "ELECTRICALLY HOT" AT ALL TIMES. PERSONAL INJURY MAY OCCUR.

CAUTION: A protective cap or boot is provided over the battery input terminal and must be replaced after servicing. Be sure to disconnect the battery ground cable before servicing the starter motor or vehicle damage may occur.

1. Before performing this test, check the battery to determine its state of charge. Perform a load test of the battery using Alternator, Regulator, Battery and Starter Tester (ARBST). Using Alternator, Regulator, Battery and Starter Tester (ARBST)
2. Disconnect the ignition coil connector.
3. Connect ARBST to the vehicle using the amperage lead clipped around the positive battery cable.
4. Measure the amperage of the starter motor while activating the starting system.
5. A good starter motor will draw from 130 to 190 amps of current at room temperature.