TM 5-5420-226-20-1
DETAILED
TROUBLESHOOTING
PROCEDURE
.
Symptom-17
VEHICLE
OPERATION
- POWERPLANT,
STOPPING
(Continued)
I
Check CKT 54 input to fuel shut off circuit breaker
for
electrical
power.
Second
Technician
(Operators
Station)
l
l
l
l
l
Set multimeter
to measure
18 to 30 volts dc or use STE\
ICE
Test
No.
89 (page
4-81).
Connect
red probe
of meter
to CKT
54 connector
coming
from
bus bar.
Connect
black
probe
of meter
to ground.
Set MASTER
BATTERY
switoh
ON.
Check
if meter
indicates
18 to 30 volts
dc.
Does meter
indicate
18 to 30 volts dc?
TO VE-HICLE
GROUND
(
I
BUS BAR
l Replace master control panel
power harness (page 10-101).
l Connect CKT 54 and 54A to
ENGINE FUEL SHUT OFF
switch.
l Connect CKT 54 connectors
to fuel shut off circuit
breaker.
TA107006
4-317