TM-9-2320-272-23-1
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 1 OF 5
SEPTEMBER 2012
TM-9-2320-272-23-1 - Page 815 of 1313
BLACKOUT DRIVE OR BLACKOUT MARKER LIGHT INOPERATIVE - Continued
STEP
6.
IS WIRING HARNESS IN GOOD CONDITION?
a.
Place battery switch to OFF position.
L
K
H
C
M
T0759DAA
B
A
N
E
F
Figure 6.
Main Lighting Switch Connector.
b.
Visually check wiring harness for loose connections or broken wiring. Refer to point to point schematic.
CONDITION/INDICATION
IS WIRING HARNESS IN GOOD CONDITION?
DECISION
NO - Repair or replace broken wire (Volume 3, WP
0352). Go to Step (8) to verify problem is solved.
YES - Notify supervisor. Action may not be possible at this level of maintenance.
TM 9-2320-272-23-1
0094
0094-6
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