TM 9-2350-287-20-12-19. TROUBLESHOOTING CHART (continued).h. LIGHTS (continued).(5) GLOW PLUG WAIT LIGHT FAILS TO OPERATE,ENGINE STARTS IN COLD WEATHER (BELOW50° F). All other lights operate (continued).CONTINUED FROM AB. 1. Install light bulb and lens in glow plugindicator.2. Loosen six screws and cover from driver’sinstrument panel.3. Disconnect wire 486 from indicator lampon back of the driver’s instrument panel.4. Connect multimeter red lead in wire 486and ground black lead.5. Turn MASTER switch ON and hold GLOWPLUG switch ON (refer to TM 9-2350-287-10).6. Check for 24 ± 3 vdc.7. Turn MASTER switch GLOW PLUG switchOFF (refer to TM 9-2350-287-10).Is voltage indicated?Replace glow plug wait light socket(para 7-9). Verify problem is solved.C. 1. Disconnect wire harness 12260287 frombulkhead disconnect.2. Place one multimeter lead in pin C ofharness 12260287 bulkhead connector andplace other lead on wire 486 of harness12260287 and check for continuity.Is continuity indicated?Repair wire 486 or replace harness12260287 (para 7-56). Verify problem issolved.2-153
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