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 375 of 855

TM 9-2350-277-20-1

TRANSMISSION DOES NOT HOLD 2ND POSITION — Continued

0068 00

Y

1.

Remove harness 12349810 plug (1) from harness 12349813

jack (2) at carrier bulkhead.

2.

Measure voltage between each socket on harness 12349813

jack (2) and ground. Multimeter should read 18 volts or

more for socket A (3), C (4), E (5), G (6), and J (7), and 0

volts for the remaining socket checks.

3.

Does multimeter read less than 18 volts at sockets A (3), C (4), E

(5), G (6), and J (7), or more than 0 volts at all remaining sockets?

YN

1.

Faulty harness 12349810

(transmission control wiring

harness). Beyond unit maintenance

repair.

2.

Notify supervisor.

2Y

1.

Turn MASTER SWITCH to OFF. See TM9-2350-277-10.

2.

Install harness 12349810 plug on transmission jack.

3.

Remove transmission controller (WP 0386 00 or WP 0387 00).

4.

Measure resistance between transmission controller jack (1) pin

M (2), and pins A thru G. Multimeter should read 0 ohms for

pins A, C, E and G, and infinity for all other pins.

5.

Does multimeter read more than 0 ohms for pins A, C, E, and G,

or less than infinity for all remaining pins?

2YN

1.

Install transmission controller

(WP038600orWP038700)

.

2.

Faulty harness 12349813

(transmission wiring harness).

Beyond unit maintenance repair.

3.

Notify supervisor.

006800-2

Change 5