TM-9-2350-256-20-1

RECOVERY VEHICLE, FULL TRACKED: MEDIUM, M88A1

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL VOLUME 1 OF 2

NOVEMBER 2005

TM-9-2350-256-20-1 - Page 429 of 948

TM 9-2350-256-20-1

0070 00

CORRECTIVE ACTION –Continued

2.

Disconnect one ground wire from bulkhead. Place red lead of multimeter in socket B of ground wire

and black lead on other end of ground wire. Check for continuity. Disconnect other ground wire from

bulkhead. Place red lead of multimeter in socket B of ground wire and black lead on other end of

ground wire. If continuity is present, troubleshoot master relay (see WP 0042 00). If continuity is not

present, repair/replace ground wire of switch panel, radio, and bilge pump to bulkhead wiring harness

(see WP 0202 00).

3.

Reconnect ground wires to hull and switch panel, radio, and bilge pump to bulkhead wiring harness to

both communications systems. Disconnectwire48 pin A from bulkhead to master relay wiring harness.

Place red multimeter lead in socket and black lead to ground. Turn MASTER switch on and check for

voltage. Turn MASTER switch OFF. If voltage is present, repair or replace switch panel, radio, and

bilge pump to bulkhead wiring harness (see WP 0202 00). If voltage is not present, troubleshoot master

relay circuit (see WP 0042 00).

END OF WORK PACKAGE

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