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 804 of 1313

FIELD MAINTENANCE

HEADLAMP (BOTH SIDE) INOPERATIVE

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.)

Volume 2, WP

0315

Volume 2, WP

0316

Volume 3, WP

0352

Equipment Condition

Vehicle parked and engine shut down.

(TM

9-2320-272-10)

TROUBLESHOOTING PROCEDURE

HEADLAMP (BOTH SIDE) INOPERATIVE

NOTE

Conduct these malfunction tests if headlamps on both sides are inoperative. This procedure

will check for defective wiring harness or connector, corroded parts or defective switch.

TM 9-2320-272-23-1

0093

0093-1