SECTlON 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.
F Reconnect flasher system panel wiring harness to
hydraulic reservoir disconnect. Disconnect wire 664
from hydraulic oil temperature transmitter (see
paragraph 12-8). Place red lead of multimeter in
wire 664 and black lead to ground. Turn MASTER
switch on and check for voltage. Turn MASTER
switch OFF. If voltage is present, replace
hydraulic oil temperature transmitter (see
paragraph 12-8). If voltage is not present,
repair/replace wire 664 from hydraulic reservoir
disconnect to hydraulic oil temperature transmitter
(see paragraph 6-88).
G Reconnect wire 325 of switch panel, radio, and bilge
pump to bulkhead wiring harness from 15 A circuit
breaker. 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. Turn MASTER
switch OFF. 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
paragraph 2-19, master relay fails to operate).
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