CHAPTER 2: VEHICLE MAINTENANCE INSTRUCTIONS
TM 9-2350-256-20
2-19 ELECTRICAL TROUBLESHOOTING-Continued
SERVICE HEADLIGHTS-Continued
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 four screws (1) and remove headlight
cover (2). Remove lamp (3) and disconnect
connector. Place red lead of multimeter in socket
A of wire 18. Turn MASTER switch on, unlock
and place main lighting switch in SER. DRIVE
position and auxiliary switch in any position other
than PARK, and check for voltage. Turn
MASTER and main lighting switches OFF. If
voltage is present, replace lamp. If voltage is not
present, go to step B.
B
Install lamp (3), headlight cover (2), and tighten
four screws (1). Loosen adjustment nut (4) and
remove headlight assembly (5). Place red lead of
multimeter in socket A of wire 18 and black lead
to ground. Turn MASTER switch on, UNLOCK
and place main lighting switch in SER. DRIVE
position, and auxiliary switch in any position other
than PARK, and check for voltage. Turn
MASTER and main lighting switches OFF. If
voltage is present, replace headlight assembly
(see paragraph 6-26). If voltage is not present, go
to step C.
2-274