SECTION V: TROUBLESHOOTINGTM 9-2350-256-20WARNINGRemove all jewelry such as rings, dog tags,bracelets, etc. If jewelry contacts a metalsurface a direct short may result in instantheating of tools, damage to equipment, andinjury or death to personnel.SInstall main switch panel (8), flat washer (7) ground lead(6), three lockwashers (5), and three screws (4). Openair inlet doors (TM 9-2350-256-10) Disconnect wire 48pin A from bulkhead to master relay wiring harness.Place red multimeter lead in socket and black lead toground. Turn MASTER switch on and check for voltage.If voltage if present, repair/replace switch panel, radio,and bilge pump to bulkhead wiring harness (seeparagraph 6-53). If voltage is not present.troubleshoot master relay circuit (see paragraph 2- 19,master relay fails to operate).2-327
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