TM 5-5420-226-20-1
SvmtXom-1
DETAILED
TROUBLESHOOTING
PROCEDURE
.
.
T
VEHICLE
OPERATION
- POWERPLANT,
STARTING
(Continued)
)
1
Check for electrical
power
at neutral shift switch.
1
First Technician (Operator’s Station)
l
Set MASTER
BATTERY
switch OFF.
Both Technicians
(Rear Grille
Doors)
l
Remove transmission
shroud
(page
9-2).
Second
Technician
(Rear
Grille
Doors)
l
Disconnect
both transmission
harness connectors
(CKT
14) from
neutral
shift switch.
l
Set multimeter
to measure
18 to 30 volts dc, or use STE/
ICE Test No.
89 (page
4-81).
l
Connect
red probe of meter
to one of the two CKT
14
transmission
harness
connectors
at neutral
shift switch
and black
probe
to ground.
First Technician (Operator’s Station)
l
Set MASTER
BATTERY
switch ON.
l
Press and hold starter switch for about
5 seconds.
Second
Technician
(Rear
Grille Doors)
l
Check
if meter
indicates
18 to 30 volts dc.
.
l
Repeat
above check moving red probe of meter to other
CKT
14 transmission
harness
connector
at neutral
shift
switch.
Did meter indicate 18 to 30 volts dc at one of the two
(CKT 14) transmission harness connectors?
n
GROUND
.\
TRANSMISSION
HARNESS
CONNECTORS
(CKT 14)
4-K
h
‘CONNECTORS
‘TOP
DECK AND GRl~LE
_
DOORS
REMOVED
FOR CLARITY
disconnect harness (CKT 14)
at engine disconnect for elec-
trical power.
.
TA1 06784
4-95
.
