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. Disconnect wire 48 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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