TM-9-2350-261-20-1

CARRIER, M113A2, M577A2, M1064, M1068, M1059 AND M901A1

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL - VOLUME 1 OF 4

TM-9-2350-261-20-1 - Page 218 of 346

TM 9-2350-261-20-1

SERVICE HEADLIGHTS DO NOT WORK

0031 00

INITIAL SETUP:

Maintenance Level

Unit

Tools and Special Tools

Digital Multimeter (WP 0780 00, Item 43)

General Mechanic’s Tool Kit (WP 0780 00, Item 29)

Personnel Required

Unit Mechanic

References

See your -10

Equipment Condition

Engine stopped/shutdown (see your -10)

Carrier blocked (see your -10)

T

1.

Operate lights in all lighting control positions (see your -10).

2.

Do any exterior lights operate in any lighting control switch

positions?

TN

1.

Go to No Exterior Lights Operate

(WP 0029 00).

Y

1.

Turn main light switch to SER DRIVE.

2.

Do both high beams and/or both low beams fail to come on?

YN

GO TO

BY

(PAGE 0031 00-2)

2Y

1.

Turn MASTER SWITCH to OFF (see your -10).

2.

Remove hull front access cover (WP 0429 00).

3.

Remove front main harness plug (1) from dimmer switch jack (2).

4.

Turn MASTER SWITCH to ON (see your -10).

5.

Measure voltage between front main harness plug (1)

pin G (3) and ground.

6.

Does multimeter read less than 17 volts?

2YN

GO TO

CY

(PAGE 0031 00-4)

003100-1