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 833 of 1313

TAIL AND MARKER LIGHTS INOPERATIVE - Continued
STEP
4.
IS THERE BATTERY VOLTAGE AT NON-OPERATING TAIL AND MARKER LAMP CONNECTOR?
a.
Place battery switch to OFF position.
23
24
22-460
T0767DAA
22-461
21
24
RH
LH
23
24
21
24
Figure 4.
Rear Composite Light.
b.
Disconnect circuit 21 wire from inoperative rear composite lights (taillight).
c.
Disconnect circuit 489 wire from inoperative marker light.
d.
Place battery switch to ON position.
e.
Place lighting switch to SERVICE DRIVE position.
f.
Set up multimeter to measure VDC.
TM 9-2320-272-23-1
0096
0096-4


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