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 912 of 1313

FIELD MAINTENANCE

BATTERY/ALTERNATOR GAUGE 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

0310

Volume 2, WP

0312

Volume 3, WP

0351

Equipment Condition

Vehicle parked and engine shut down.

(TM

9-2320-272-10)

TROUBLESHOOTING PROCEDURE

BATTERY/ALTERNATOR GAUGE INOPERATIVE

NOTE

Conduct these malfunction tests if battery-alternator gauge is inoperative. This procedure will

check for faulty gauge or instrument cluster wiring harness.

TM 9-2320-272-23-1

0108

0108-1