SECTION V: TROUBLESHOOTING
TM 9-2350-256-20
WARNING
Remove all jewelry such as rings, dog tags,
bracelets, etc. If jewelry contacts a metal surface a
direct short may result in instant heating of tools,
damage to equipment, and injury or death to
personnel.
H
Install ground strap (5), two lockwashers (4), two
screws (3), gage panel (6), three lockwashers (2), and
three screws (1). Open air inlet doors (TM 9-2350-256-
10). 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. If voltage is present repair
or replace switch panel, radio, and bilge pump to
bulkhead wiring harness (see paragraph 6-53). If
voltage is not present, troubleshoot master relay circuit
(see paragraph 2-19, master relay fails to operate).
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