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
Loosen six screws (1) and remove stoplight cover
(2). Remove B.O. stoplight lamp (3). Place red
lead of multimeter in socket and black lead to
ground. Turn MASTER switch on, UNLOCK and
place main lighting switch in B.O. MASTER position.
Depress stoplight switch (vehicle brake) and check
for voltage. Turn MASTER, main lighting and
stoplight switches OFF. If voltage is present, replace
lamp (see paragraph 6-30). If voltage is not present,
go to step B.
B
Install B.O. stoplight lamp (3), stoplight cover (2),
and tighten six screws (1). Remove two screws (4)
and two lockwashers (5) and remove hydraulic
access cover (6). Disconnect wire 23 of bulkhead to
master relay and left and right taillight wiring harness
from right taillight assembly. Place red lead of
multimeter in wire 23 and black lead to ground. Turn
MASTER switch on, UNLOCK and move main
lighting switch to B.O. MASTER position, apply
brakes, and check for voltage. Turn MASTER and
main lighting switches OFF. If voltage is present,
replace taillight assembly (see paragraph 6-30). If
voltage is not present, go to step C.
2—
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