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 226 of 346

TM 9-2350-261-20-1

INFRARED HEADLIGHT(S) DOES NOT OPERATE — Continued

0032 00

BY

1.

Remove circuit 514 (high beam) plug (1) or 515 (low beam)

plug (2) from failing IR service headlight (3).

2.

Measure voltage between front main harness circuit 514

plug (1) or 515 plug (2) and ground.

3.

Does multimeter read less than 17 volts?

BYN

1.

Replace IR service headlight lamp

unit (WP 0256 00).

2.

Verify no faults found.

B2Y

1.

Check and see if failing IR headlight is located on

right side of carrier.

2.

Is failing IR headlight located on right side of carrier?

B2YN

1.

Repair front main harness circuit 514

or 515 between left IR head light and

dimmer switch (WP 0312 00).

2.

Verify no faults found.

003200-5