TM-9-2350-277-20-1

CARRIER M113A3, M577A3, M1059A3, M1064A3, M1068A3 AND M58

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL VOLUME 1 OF 6

TM-9-2350-277-20-1 - Page 233 of 855

TM 9-2350-277-20-1

BLACKOUT MARKER LIGHT(S) DON’T WORK—Continued

0034 00

B3Y

1.

Remove harness 12268797 circuit 24 plug (1) from harness

12349881 circuit 24 jack (2).

2.

Measure voltage between harness 12349881 jack pin (2) and

ground.

3.

Does multimeter read less than 17 volts?

YES

NO

B3YN

1.

Repair harness 12268797 circuit 24

(WP 0382 00).

2.

Verify no faults found.

B4Y

1.

Faulty harness 12349881 circuit 24. Beyond unit maintenance

repair.

2.

Notify supervisor.

0034 00-4