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.
E
Reconnect wire 59 to blower switch side of 15 A circuit
breaker. Disconnect wire 59 from circuit breaker side of
blower switch. Place red lead of multimeter in wire 59
and black lead to ground. Turn MASTER switch on and
check for voltage. Turn MASTER switch OFF. If
voltage is present, go to step F. If voltage is not
present, repair/replace wire 59 of ventilation blower
switch lead assembly (see paragraph 6-9).
F
Reconnect wire 59 to 15 A circuit breaker side of blower
switch. Disconnect wire 59 from panel connector side of
blower switch. Place red lead of multimeter on terminal
of blower switch and black lead to ground. Turn
MASTER and VENT BLOWER switches ON and check
for voltage. Turn MASTER and VENT BLOWER
switches OFF. If voltage is present, repair/replace wire
59 of bilge pump main power wiring harness (see
paragraph 6-84). If voltage is not present, replace
ventilator blower switch (see paragraph 6-9).
G
Reconnect electrical accessories panel wiring harness to
electrical accessories panel. Disconnect wire 59 from
ventilation blower. Place red lead of multimeter in wire
59 and black lead to ground. Turn MASTER and VENT
BLOWER switches ON and check for voltage. Turn
MASTER and VENT BLOWER switches OFF. If
voltage is present, repair/replace ventilation blower (see
paragraph
6-100).
If
voltage
is
not
present,
repair/replace wire 59 of electrical accessories panel
wiring harness (see paragraph 6-47)
2-331
