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 285 of 855

TM 9-2350-277-20-1

FUEL LEVEL INDICATOR MALFUNCTIONS—Continued

0049 00

Y

1.

Remove instrument panel for access (WP 0295 00).

2.

Remove circuit 30 plug (1) from FUEL TANK switch jack (2).

3.

Remove circuit 31 plug (3) from FUEL TANK switch jack (4).

4.

Remove circuit 28 plug (5) from FUEL TANK switch jack (6).

5.

Turn FUEL TANK switch to LEFT and measure resistance

between FUEL TANK switch jack (6) and FUEL TANK switch

jack (2).

6.

Turn FUEL TANK switch to RIGHT and measure resistance

between FUEL TANK switch jack (6) and FUEL TANK switch

jack (4).

7.

Did multimeter read 0 ohms both times?

YES

NO

YN

1.

Replace FUEL TANK select switch

(WP 0277 00) or (WP 0282 00).

2.

Verify no faults found.

2Y

1.

Remove circuit 27 plug (1) from instrument panel circuit breaker

jack (2).

2.

Remove circuit 27A plug (3) from fuel level indicator jack (4).

3.

Check continuity between circuit 27 plug (1) and circuit 27A plug

(3).

4.

Does multimeter read 0 ohms?

YES

NO

2YN

1.

Install circuit 30 and 31 leads on

FUEL TANK switch.

2.

Replace cable assembly 12349858

circuit 27A (WP 0290 00).

3.

Verify no faults found.

0049 00-2