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 725 of 855

TM 9-2350-277-20-1

MSD/ICE TEST 69 STARTER NEGATIVE CABLE VOLTAGE DROP DIAGNOSTIC

TROUBLESHOOTING — Continued

0149 00

Y

1.

Remove plug W1 P2 (1) from MSD/ICE distribution

box jack J2 (2).

2.

Measure resistance between MSD/ICE distribution box jack

J2 (2), pin W (3) and harness 12354593 circuit 779 terminal

E4 (1) on battery negative terminal.

3.

Measure resistance between MSD/ICE distribution box

jack J2 (2), pin M (4) and harness 12345472 circuit 773

terminal E2 on starter.

4.

Does MSD read more than one ohm either time?

YN

1.

Faulty W1 cable. Beyond unit

maintenance repair.

2.

Notify supervisor.

2Y

1.

Remove harness 12354593 P1 (1) from MSD/ICE

distribution box jack J1 (2).

2.

Measure resistance between 12354593 P1 (1), pin k

(3) and harness 1235493 circuit 779 terminal E4 on

battery negative terminal.

3.

Measure resistance between 12354593 P1 (1), pin f (4) and

harness 12354672 circuit 773 terminal E2 on starter.

4.

Does MSD read more than one ohm either time?

2YN

1.

Replace MSD/ICE distribution

box (WP 0874 00, WP 0875 00,

or WP 0877 00).

2.

Verify no faults found.

014900-2

Change 5