SECTION V: TROUBLESHOOTING
TM 9-2350-256-20
WARNING
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.
B
Install marker light (3) and cover (2) and tighten four
screws (1). Loosen adjustment nut (4) and remove
headlight assembly (5). Place red lead of multimeter
in socket F of wire 20 and black lead to ground. Turn
MASTER switch on, UNLOCK and move main
lighting switch to B.O. MARKER position, and check
for voltage. Turn MASTER and main light switches
OFF. If voltage is present, replace lamp (see
paragraph 6-26). If voltage is not present, go to step
C.
C
Reconnect headlight base assembly to headlight
assembly. Disconnect wire 20 of headlight base
assembly from switch panel to head lamps and
bulkhead wiring harness. Place red lead of
multimeter on male connector of wire 20 and black
lead to ground. Turn MASTER switch on, UNLOCK
and move main lighting switch to B.O. MARKER
position, and check for voltage. Turn MASTER and
main lighting switches OFF. If voltage is present,
repair/replace wire 20 of headlight and dimmer
switch wiring harness (see paragraph 6-65). If
voltage is not present, go to step G.
2—
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