TM
5-5420-226-20-1
Symptom-63
DETAILED
TROUBLESHOOTING
PROCEDURE
T
SUPPORT
SYSTEM
- VEHICLE
LIGHTING
(Continued)
~
Check front accessory
harness (CKT 19) at connector
~
to headlight
base harness
for electrical
power.
!
Second
Technician
(Operators
Station)
l Set MASTER
BATTERY
switch
OFF.
First
Technician
(Left
Front
of Vehicle)
l Connect
left headlight
assembly
to dual
base harness
connector.
Second
Technician
(Operators
Station)
l Disconnect
connector
(CKT
19) of front
accessory
harness
from
headlight
base harness
(located
inside
crew compartment).
l Connect
red probe of meter
to front
accessory
harness
connector
(CKT
19) and black
probe
to ground.
l Set MASTER
BATTERY
switch
ON.
l Check if meter indicates
18 to 30 volts dc.
b
Does meter
indicate
18 to 30 volts dc?
m \
Repair
left headlight
base
harness
(page
10-186).
F
.B
CKT 19
-19++-1
v
FOR CLARITY
QUADRANT
ASSEMBLIES
NOT SHOWN
TA107316
4-627