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 281 of 855

TM 9-2350-277-20-1

MASTER SWITCH ON INDICATOR DOESN’T LIGHT—Continued

0048 00

2Y

1.

Turn MASTER SWITCH to OFF.

2.

Remove instrument panel for access (WP 0296 00).

3.

Remove harness 10933038 circuit 10 plug (1) and cable assembly

12349858 circuit 27 plug (2) from instrument panel circuit

breaker jacks (3) and (4).

4.

Measure resistance between circuit breaker jacks (3) and (4).

5.

Does multimeter read 0 ohms?

YES

NO

2YN

1.

Replace instrument panel circuit

breaker (WP 0280 00).

2.

Verify no faults found.

3Y

1.

Measure resistance between harness 10933038 circuit 10 plug pin

and master switch panel power receptacle positive jack pin (1).

2.

Does multimeter read 0 ohms?

YES

NO

3YN

1.

Replace harness 10933038

(WP 0266 00).

2.

Verify no faults found.

0048 00-2