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 220 of 346

TM 9-2350-261-20-1

SERVICE HEADLIGHTS DO NOT WORK — Continued

0031 00

B2Y

1.

Check to see if failing headlight is located on right side of carrier.

2.

Is failing headlight located on right side of carrier?

B2YN

1.

Repair front main harness circuit

517 or 518 between left headlight

and dimmer switch.

2.

Verify no faults found.

B3Y

1. Lowertrimvane(seeyour-10)

.

2.

Open power plant front access door (see your -10).

3.

Remove right headlight wiring harness plug (1) from

connector jack (2) at carrier bulkhead.

4.

Measure voltage between front main wiring harness jack (2) pin

C (low beam) (3) or pin B (high beam) (4) and ground.

5.

Does multimeter read less than 17 volts?

B3YN

1.

Replace faulty right headlight wiring

harness (WP 0312 00).

2.

Verify no faults found.

003100-3