CHAPTER 2: VEHICLE MAINTENANCE INSTRUCTIONS
TM 9-2350-256-20
2-19 ELECTRICAL TROUBLESHOOTING--Continued
ENGINE FUEL SHUTOFF SOLENOID-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.
H Reconnect switch panel to neutral safety to bulkhead
wiring harness to main switch panel. Disconnect wire 54
from ENGINE FUEL SHUTOFF switch side of circuit
breaker. Place red lead of multimeter on terminal of
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 J. If voltage is not
present, go to step I.
I Reconnect wire 54 to ENGINE FUEL SHUTOFF switch
side of 15 A circuit breaker. Disconnect wire 10 from 15
A circuit breaker. Place red lead of multimeter in wire 10
and black lead to ground. Turn MASTER switch on and
check for voltage. Turn MASTER switch OFF. If voltage
is present, replace 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).
J Reconnect wire 54 to ENGINE FUEL SHUTOFF switch
side of 15 A circuit breaker. Disconnect wire 54 from
circuit breaker side of ENGINE FUEL SHUTOFF switch.
Place red lead of multimeter on wire 54 and black lead to
ground. Turn MASTER switch on, and check for voltage.
Turn MASTER switch OFF. If voltage is present, go to
step K. If voltage is not present, repair/replace fuel
shutoff switch panel lead assembly (see paragraph 6-49).
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