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 340 of 855

TM 9-2350-277-20-1

ENGINE COOLANT LOW LEVEL INDICATOR MALFUNCTIONS — Continued

0058 00

CY

1.

Remove harness 12349873 plug (1) from harness 12349881

jack (2) at carrier bulkhead.

2.

Measure voltage between harness 12349881 jack (2)

pin J (3) and ground.

3.

Does multimeter read less than 17 volts?

CYN

1.

Replace harness 12349873 circuit

27N (WP 0359 00).

2.

Verify no faults found.

C2Y

1.

Turn MASTER SWITCH to OFF.

2.

Install harness 12349873 plug on coolant level detector.

3.

Remove instrument panel for access (WP 0295 00).

4.

Remove harness 12349881 circuit 27F plug (1) from cable

assembly 12349858 circuit 27F jack (2).

5.

Remove cable assembly 12349858 circuit 27 plug (3) from

instrument panel circuit breaker (4).

6.

Measure resistance between cable assembly 12349858 circuit

27 plug (3) and circuit 27F plug (1).

7.

Does multimeter read 0 ohms?

C2YN

1.

Install harness 12349873 plug on

harness 12349881 jack on carrier

bulkhead.

2.

Replace cable assembly 12349858

circuit 27/27F (WP 0290 00).

3.

Verify no faults found.

005800-5

Change 5