TM 9-2350-247-20-1
BLACKOUT MARKER LIGHT(S) AND/OR TAILLIGHT(S) DO NOT OPERATE
0040 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)
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
1. Operate all exterior lights (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 light switch to BO MARKER.
2. Is just one BO marker and/or just one BO taillight out?
YES
NO
GO TO BY (PAGE 0040 00-3)
0040 00-1
