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 176 of 346

TM 9-2350-261-20-1

CHARGING SYSTEM MALFUNCTIONS — Continued

0018 00

13Y

1.

Remove jumper wire from engine harness plug.

2.

Install engine wiring harness on generator field switch.

3.

Turn MASTER SWITCH to ON (see your -10).

4.

Measure voltage between front main harness bulkhead

jack C7 (1), pin F (2), to ground.

5.

Turn MASTER SWITCH to OFF (see your -10).

6.

Did multimeter read more than 17 volts?

13YN

1.

Install front main harness plug

C5 on regulator jack.

2.

Repair front main wiring harness

circuit 1A (WP 0312 00).

3.

Verify no faults found.

14Y

1.

Repair front main wiring harness circuit 1B (WP 0312 00).

2.

Verify no faults found.

BY

1.

Engine stopped/shutdown (see your -10).

2.

Measure resistance between voltage regulator housing

(1) and ground.

3.

Does multimeter read 0 ohms?

BYN

1.

Remove voltage regulator

(WP 0230 00) and clean ground

contacts (bolted surface).

2.

Install voltage regulator

(WP 0230 00).

3.

Verify no faults found.

001800-9