TM 10-3930-659-20 Table 4-2.  Electrical Troubleshooting  (Con’t). MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION Step 4. Check neutral start switch and reverse warning alarm fuses for continuity (see paragraph 2-27). Replace damaged 10 amp fuse (see paragraph 6-13). Step 5. Check ignition switch for shorts (see paragraph 2-27). Replace damaged ignition switch (see paragraph 6-10). Step 6. Check transmission direction selector lever linkage adjustment. Adjust direction selector lever linkage (see paragraph 7-5). Step 7. Check neutral start switch for continuity (see paragraph 2-27). Replace damaged neutral start switch (see paragraph 6-4). Step 8. Check starter motor relay for voltage and continuity (see paragraph 2-27). Replace damaged starter motor relay (see paragraph 6-12). Step 9. Check three starter interlock relays for voltage and continuity (see paragraph 2-27). Replace damaged starter interlock relays as necessary (see paragraph 6-12). Step 10. Perform starter motor tests (see STE/ICE-R Test NG90). Step 11. Remove starter motor (see paragraph 6-3) and inspect starter motor pinion gear. If pinion gear Is frozen or damaged, replace starter motor (see paragraph 6-3). 8. STARTER MOTOR TURNS BUT WILL NOT START ENGINE. Step 1. Test fuel injection pump fuel shutoff solenoid (see STE/ICE-R Test NG31). If solenoid is not working, notify Direct Support Maintenance. Step 2. Remove  starter  motor  (see  paragraph  6-3),  and  inspect  starter  motor  pinion  gear  teeth  and  fly- wheel gear teeth. If pinion gear is frozen or teeth are damaged, replace starter motor (see paragraph 6-3). If flywheel gear teeth are damaged, notify Direct Support Maintenance. 4-27

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