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