CHAPTER 2: VEHICLE MAINTENANCE INSTRUCTIONS
TM 9-2350-256-20
2-19 ELECTRICAL TROUBLESHOOTING-Continued
ENGINE STARTING SYSTEM-Continued
WARNING
Place transmission selector in P (park).
Remove all jewelry such as rings, dog
tags, bracelets, etc. If jewelry contacts a
metal surface a direct short may result in
instant heating of tools, damage to
equipment,
and
injury
or
death
to
personnel.
F Reconnect wire 14 to connector on bulkhead side of
neutral safety switch. Open air inlet doors (TM 9- 2350-
256-10). Disconnect bulkhead to engine wiring harness
and
starter
relay
wiring
harness
from
bulkhead
disconnect. Place red lead of multimeter on pin A of wire
14 and black lead to ground. Turn MASTER switch on,
push START switch, and check for voltage. Turn
MASTER switch OFF. If voltage is present, go to step G.
If voltage is not present, replace/repair wire 14 of switch
panel to neutral safety to bulkhead wiring harness (see
paragraph 6-54).
G Reconnect switch panel to neutral safety to bulkhead
wiring harness at bulkhead disconnect. Disconnect wire
14 of bulkhead to engine wiring harness and starter relay
wiring harness from connector near bulkhead disconnect.
Place red lead of multimeter on male connector and
black lead to ground. Turn MASTER switch on, push
START switch, and check for voltage. Turn MASTER
switch OFF. If voltage is present, go to step H. If
voltage is not present, replace/repair wire 14 of bulkhead
to engine wiring harness and starter relay wiring harness
(see paragraph 6-72).
2-68