TM
5-5420-226-20-1
(
Symptom-66
DETAILED
TROUBLESHOOTING
PROCEDURE
T
SUPPORT
SYSTEM
- VEHICLE
LIGHTING
(Continued)
Check rear acceeaory
harneee
connector
(CKT 21)
at left taillight
for electrical
power.
Second
Technician
(Operators
Station)
l Set MASTER
BATTERY
switch
OFF.
First
and
Second
Technicians
(Rear
Grille
Doors)
l Remove transmission
shroud
(page
9-2).
.
First
Technician
(Rear
Grille
Doors)
l Disconnect
rear
accessory
harness
connector
(CKT
21) from
left taillight
assembly.
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 rear
accessory
harness
connector
(CKT
21 ) and black probe to vehicle ground.
Second
Technician
(Operators
Station)
l Set MASTER
BATTERY
switch
ON.
First
Technician
(Rear
Grille
Doors)
l Check if meter indicates
18 to 30 volts
dc.
Does meter indicate
18 to 30 volts dc?
i
9
BACKVIEW
- LEFT
TAILLIGHT
Replace
socket
and wiring
aeaembly
in left taililght
(page
10-207).
\
TA107331
4-642