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.
C Reconnect gage panel to bulkhead wiring harness to
gage panel. Install ground strap (5), two lockwashers
(4), two screws (3), gage panel (6), three lockwashers (2),
and three screws (1) to mounting brackets. Remove
three screws (7), three lockwashers (8), ground lead (9),
and flat washer (10), and release main switch panel (11)
from mounting brackets. Disconnect switch panel to
gage panel and miscellaneous switches wiring harness
from switch panel. Place red lead of multimeter in pin N
and black lead to ground. Turn MASTER switch on and
check for voltage. Turn MASTER switch OFF. If voltage
is present, go to step E. If voltage is not present, go to
step D.
D Reconnect switch panel to gage panel and miscellaneous
switches wiring harness to switch panel. Install main
switch panel (11), flat washer (10), ground lead (9), three
lockwashers (8), and three screws (7) to mounting
brackets. Open air inlet doors (TM 9-2350-256-10).
Disconnect switch panel, radio, and bilge pump to
bulkhead wiring harness from bulkhead disconnect.
Place red lead of multimeter in socket A wire 48 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 (see
paragraph 2-19, master relay fails to operate).
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