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 248 of 346

TM 9-2350-261-20-1

HORN DOES NOT OPERATE — Continued

0037 00

3Y

1.

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

2.

Install jumper wire between right headlight wiring harness

circuit25plug(1)andground.

3.

Remove right headlight wiring harness plug (2) from front

main harness (3) at carrier bulkhead.

4.

Measure resistance between right headlight wiring harness

plug (2), pin A (4), and ground.

5.

Does multimeter read 0 ohms?

3YN

1.

Remove jumper wire.

2.

Repair right headlight wiring harness

circuit 25 (WP 0312 00).

3.

Verify no faults found.

003700-3