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
Reconnect wire 10-419 to Y-connector of switch
panel, radio, and bilge pump to bulkhead wiring
harness to main switch panel. Install main switch
panel (8), flat washer (7), ground wire (6), three
lockwashers (5), and three screws (4) to mounting
bracket. 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/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 2-19, master relay fails to operate).
2-261
