2-19. TROUBLESHOOTING CHART (continued).d. ENGINE, ELECTRICAL SYSTEM (continued).(4) ONE OR MORE GLOW PLUGS FAIL TOOPERATE (continued).CONTINUED FROM BB. 1. Reconnect glow plug wires to glow plugs.2. Disconnect harness 12268389 connectorfrom glow plug controller.3. Connect multimeter red lead to pin A andground black lead.NOTEYou may have to manually overridethe glow plug system to continuetroubleshooting.4. Turn MASTER switch and hoid GLOWPLUG switch ON (refer to TM 9-2350-287-10).5. Check for 24 ± 3 vdc.6. Repeat above steps for pins B to H.7. Turn MASTER switch OFF (refer to TM 9-2350-287-10).Is voltage indicated at all 8 pins?Go to troubleshooting ENGINECRANKS, BUT WILL NOT START INCOLD WEATHER, OR GLOW PLUGSYSTEM FAILS TO OPERATE. Allother electrical systems operate. (para2-19.d (5)).END OF TASK2-73TM 9-2350-287-20-1Replace harness 12268389 (para 4-27). Verify problem is solved.
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