Operation CHARM: Car repair manuals for everyone.

Starter Motor: Testing and Inspection

Starter Performance Test

1. Remove the starter.
2. Connect a fully charged battery to the starter for this test using the thickest (gauge) wire possible (preferably the same gauge as used on the vehicle).

NOTE: To avoid damaging the starter, never leave the battery connected for more than 10 seconds.






3. Connect the battery as shown, and check for continuity between the B terminal and the starter body. If there is continuity, it is working properly.
4. Disconnect the battery from the body, and check for continuity between the B terminal and the starter body. If there is no continuity, it is working properly.






5. Firmly clamp the starter in a vise.
6. Connect the starter to the battery as shown, and check that the motor turns and keeps rotating.






7. If the electric current meets the specification when the battery voltage is at 11.5 V, the starter is working properly.

Specification
Electric Current: 80 A or less