CHAPTER 2: VEHICLE MAINTENANCE INSTRUCTIONS
TM 9-2350-256-20
2-19 ELECTRICAL TROUBLESHOOTING-Continued
VENTILATION BLOWER SYSTEM--Continued
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
Remove four screws (1) and four lockwashers (2) and
release electrical accessories panel (3) from mounting
brackets.
Ground
panel.
Reconnect
electrical
accessories
panel
wiring
harness
to
electrical
accessories panel. Disconnect wire 38/59 from 15 A
circuit breaker. Place red lead of multimeter in wire
38/59 and black lead to ground. Turn MASTER switch
on and check for voltage. Turn MASTER switch OFF.
If voltage is present, go to step D. If voltage is not
present, repair/replace wire 38/59 of bilge pump main
power wiring harness (see paragraph 6-84).
D
Reconnect wire 38/59 to 15 A circuit breaker.
Disconnect wire 59 from blower switch side of 15 A
circuit breaker. Place red lead of multimeter on terminal
of 15 A circuit breaker 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, replace 15 A circuit breaker
(see paragraph 6-9).
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