TM 9-2350-247-20-1
SERVICE HEADLIGHTS DO NOT OPERATE
0036 00
INITIAL SETUP:
Maintenance Level
Unit
Tools and Special Tools
General Mechanics Tool Kit (WP 0541 00, Item 57)
Multimeter (WP 0541 00, Item 29)
Personnel Required
Unit Mechanic
References
See your -10
Equipment Condition
Engine stopped (see your -10)
Carrier blocked (see your -10)
NOTE
M548A1 and M548A3 troubleshooting procedures are the same. M548A1 procedure is shown.
T
6.
Operate lights in all light switch positions (see your -10).
2. Do any exterior lights operate in any light switch positions?
YES
NO
TN
1. Go to no exterior lights operate
(WP 0034 00).
Y
1. Turn main light switch to SER DRIVE.
2. Do both high beams and/or both low beams fail to come on?
YES
NO
GO TO BY (PAGE 0036 00-3)
2Y
1. Turn MASTER SWITCH OFF.
2. Remove main harness plug (1) from beam selector switch
jack (2).
3. Turn MASTER SWITCH ON.
4. Measure voltage between front main harness plug (1) pin G (3)
and ground.
5. Does multimeter read less than 17 volts?
YES
NO
GO TO CY (PAGE 0036 00-4)
0036 00-1