- Check the operation sound of magnetic switch (SW).
Can the operation sound of magnetic SW be heard?
YES – Go to step 15.
NO – Go to step 13.
- Check for the following conditions:
- Damaged or faulty magnetic SW.
- Open circuit between magnetic SW and Key SW.
Was a problem found?
YES – Repair as necessary. 
NO – Go to step 14.
- Connect the starter connector to B+ and B-.
Does the starter rotate?
YES – The magnetic SW is OK.
NO – Go to step 15.
- Inspect the brushes condition.
Was a problem found?
YES – Replace as necessary.
NO – Go to step 16.
- Inspect the yoke assembly and armature condition.
Was problem found in the yoke assembly or armature?
YES – Replace as necessary.
NO – Go to step 17.
- Turn the ignition switch OFF.
- Disconnect the battery B+ terminal.
- Disconnect the battery B- terminal.
- Check the starter relay circuit for a short.
Was a problem found?
YES – Repair as necessary.
NO – Substitute a known-good starter relay and recheck. If symptom/indication goes away, replace the original starter relay.