2-19. TROUBLESHOOTING CHART (continued).
d. ENGINE, ELECTRICAL SYSTEM (continued).
(4) ONE OR MORE GLOW PLUGS FAIL TO
OPERATE (continued).
CONTINUED FROM B
B. 1. Reconnect glow plug wires to glow plugs.
2. Disconnect harness 12268389 connector
from glow plug controller.
3. Connect multimeter red lead to pin A and
ground black lead.
NOTE
You may have to manually override
the glow plug system to continue
troubleshooting.
4. Turn MASTER switch and hoid GLOW
PLUG 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 ENGINE
CRANKS, BUT WILL NOT START IN
COLD WEATHER, OR GLOW PLUG
SYSTEM FAILS TO OPERATE. All
other electrical systems operate. (para
2-19.d (5)).
END OF TASK
2-73
TM 9-2350-287-20-1
Replace harness 12268389 (para 4-
27). Verify problem is solved.