TROUBLESHOOTING CHART (continued) - TM-9-2350-287-20-1

TROUBLESHOOTING CHART (continued) - TM-9-2350-287-20-1_127

TROUBLESHOOTING CHART (continued) - TM-9-2350-287-20-1_129

TM-9-2350-287-20-1 Carrier Ammunition Tracked M992A21 (2350-01-352-3021) EIC:AE6 Manual
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TM 9-2350-287-20-1 12-19. TROUBLESHOOTING CHART (continued). d. ENGINE, ELECTRICAL SYSTEM (continued). (5) ENGINE CRANKS, BUT WILL NOT START IN COLD WEATHER OR GLOW PLUG SYSTEM FAILS TO OPERATE. All other electrical systems operate (continued). CONTINUED FROM C C. 3. Disconnect wire 486A of harness 12260287 from glow plug switch at back of driver's instrument panel. 4. Place multimeter red lead on output of glow plug switch and ground black lead. 5. Turn MASTER switch ON. 6. Hold GLOW PLUG switch ON (refer to TM 9-2350-287-10). 7. Check GLOW PLUG switch output for 24 ± 3 vdc. 8. Turn MASTER switch and GLOW PLUG switch OFF (refer to TM 9-2350-287-10). Is continuity indicated? D. 1. Reconnect wire 486A of harness 12260287 to glow plug switch. 2. Disconnect wire10 of harness 12268104 at glow plug switch input. 3. Place red lead of multimeter in wire 10 and ground black lead. 4. Turn MASTER switch ON (refer to TM 9- 2350-287-10). 5. Check for 24 ± 3 vdc. 6. Turn MASTER switch OFF (refer to TM 9- 2350-287-10). Is voltage indicated? Continued on next page 2-76 CONTINUED AT STEP G

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