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.
C
Reconnect headlight base assembly to left hand
headlight assembly. Disconnect wire 19 of headlight
and dimmer switch wiring harness from switch panel
to gage panel and miscellaneous switches wiring
harness. Place red lead of multimeter on male
connector of wire 19 and black lead to ground. Turn
MASTER switch on, UNLOCK and move main
lighting switch to B.O. DRIVE position, B.O.
SELECTOR switch to B.O. position, and check for
voltage. Turn MASTER, main lighting, and B.O.
SELECTOR switches OFF. If voltage is present, go
to step D. If voltage is not present, go to step E.
D
Reconnect wire 19 of headlight and dimmer switch
wiring harness to switch panel to gage panel and
miscellaneous switches wiring harness. Disconnect
wire 19 of headlight base assembly from headlight
and dimmer switch wiring harness. Place red lead of
multimeter in wire 19 and black to ground. Turn
MASTER switch on, UNLOCK and move main
lighting switch to B.O. DRIVE position, B.O.
SELECTOR switch to B.O. position, and check for
voltage. Turn MASTER, main lighting, and B.O.
SELECTOR switches OFF. If voltage is not present,
repair/replace wire 19 of headlight and dimmer
switch wiring harness (see paragraph 6-65). If
voltage is present, repair/replace wire 19 of headlight
base wiring harness (see paragraph 6-64).
2—
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