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

  TM-9-2320-272-23-1 - Page 844 of 1313

FIELD MAINTENANCE
NO LIGHTS OPERATE WITH DIRECTIONAL SIGNAL CONTROL LEVER IN ANY POSITION
INITIAL SETUP:
Tools and Special Tools
Tool Kit, General Mechanic's: Automotive
(Volume 5, WP
0826, Table 1, Item 56)
Multimeter
(Volume 5, WP
0826, Table 1, Item 34)
Test Set, Electronic Systems
(Volume 5, WP
0826, Table 1, Item 51)
Personnel Required
(2)
References
Point to Point Schematics
References (cont.)
WP
0099
Volume 2, WP
0315
Volume 2, WP
0318
Volume 3, WP
0352
Equipment Condition
Vehicle parked and engine shut down.
(TM
9-2320-272-10)
TROUBLESHOOTING PROCEDURE
NO LIGHTS OPERATE WITH DIRECTIONAL SIGNAL CONTROL LEVER IN ANY POSITION
NOTE
Conduct these malfunction tests if no lights operate with directional signal control lever in any
ON position. This procedure will check the control unit cable and flasher.
TM 9-2320-272-23-1
0098
0098-1


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