TM 9-2350-247-20-1
DOME LIGHT WORKS IMPROPERLY
0048 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. Remove main harness plug (1) from jack (2) on failing dome
light.
2. Turn MASTER SWITCH ON.
3. Measure voltage between main harness plug (1) and ground.
4. Does multimeter read 17 volts or more?
YES
NO
GO TO 3Y (PAGE 0048 00-2)
Y
1. Install main harness plug on dome light.
2. Have dome light bulbs been replaced?
YES
NO
YN
1. Replace dome light bulbs
(WP 0279 00).
2. Verify no faults found.
2Y
1. Replace dome light assembly (WP 0279 00).
2. Verify no faults found.
0048 00-1
