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.
A Disconnect headlight and dimmer switch wiring
harness from HIGH BEAM indicator light. Place
red lead of multimeter in wire 519 (from pin D of
dimmer switch) and black lead to ground. Turn
MASTER switch on, UNLOCK and place main lighting
switch in B.O. DRIVE position, and B.O. SELECTOR
switch in B.O. position, press dimmer switch, and
check for voltage. Turn MASTER, main lighting, B.O.
SELECTOR and dimmer switches OFF. If voltage is
present, replace HIGH BEAM indicator light bulb (see
paragraph 6-33). If voltage is not present, go to step
B.
B Place red lead of multimeter in wire 519 (from pin
H of dimmer switch) and black lead to ground. Turn
MASTER switch on, UNLOCK and place main lighting
switch in SER. DRIVE position, and auxiliary switch
any position other than park, press dimmer switch,
and check for voltage. Turn MASTER and main
lighting and dimmer switches OFF. If voltage is
present, replace HIGH BEAM indicator light bulb (see
paragraph
6-33).
If
voltage
is
not
present,
repair/replace wire 519 from pin H of headlight and
dimmer switch wiring harness (see paragraph 6-65).
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