TM 9-2350-247-20-1
HIGH BEAM INDICATOR LIGHT MALFUNCTIONS
0051 00
INITIAL SETUP:
Maintenance Level
Unit
Tools and Special Tools
General Mechanic’s Tool Kit (WP 0541 00, Item 57)
Multimeter (WP 0541 00, Item 29)
Jumper Wire
Personnel Required
Unit Mechanic
References
See your -10
Equipment Condition
Engine stopped (see your -10)
Carrier blocked (see your -10)
MASTER SWITCH OFF (see your -10)
NOTE
M548A1 and M548A3 troubleshooting procedures are the same. M548A1 procedure is shown.
T
1. Check service and infrared headlights (see your -10).
2. Do all lights operate properly?
YES
NO
TN
1. Go to service headlights do not
operate (WP 0036 00) or infrared
headlights do not operate
(WP 0037 00).
2. Verify no faults found.
Y
1. Remove high beam indicator light cover lens (1), gasket (2), bulb
(3), and gasket (4).
2. Measure resistance between bulb center contact (5) and bulb base
(6) for continuity.
3. Did multimeter indicate any continuity?
YES
NO
GO TO AY (PAGE 0051 00-2)
0051 00-1
