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 switch panel to gage panel and
miscellaneous switches wiring harness to main
switch panel. Place a jumper wire from switch
panel to hull to ground panel. Disconnect wire
25/27 from 15 A circuit breaker. Place red lead of
multimeter on circuit breaker terminal and black
lead to ground. Turn MASTER switch on and check
for voltage. Turn MASTER switch OFF. If voltage
is present, repair/replace wire 25/27 of main
lighting and B.O. selector switch wiring harness
(see paragraph 6-69). If voltage is not present, go to
step G.
G Reconnect wire 25/27 to 15 A circuit breaker.
Disconnect wire 10 from 15 A circuit breaker. Place
red lead of multimeter on wire 10 and black lead to
ground. Turn MASTER switch on and check for
voltage. Turn MASTER switch OFF. If voltage is
present, replace 15 A circuit breaker (see paragraph
6-10). If voltage is not present, repair/replace wire
10 of main lighting and B.O. selector switch wiring
harness (see paragraph 6-69).
H Reconnect wire 27A to driver's VEHICLE
EXHAUST SMOKE switch. Disconnect wire 27A of
driver's vehicle exhaust smoke bracket to bulkhead
connection wiring harness at Y-connector. Place red
lead of multimeter on male connector and black lead
to ground. Turn MASTER switch on and check for
voltage. Turn MASTER switch OFF. If voltage is
present, repair/replace wire 27A of driver's
vehicle exhaust smoke bracket to bulkhead
connection wiring harness from driver's switch to Y-
connector (see paragraph 6-93). If voltage is not
present, go to step I.
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