TM
5-5420-226-20-1
Symptom-66
DETAILED
TROUBLESHOOTING
PROCEDURE
SUPPORT
SYSTEM
- VEHICLE
LIGHTING
w
-,
T
(Continued)
0:””
0
‘;:
“
.-
~“-
-.
Zcheck
basket-light
switch
harness
connector
(CKT
I
21) at basket
disconnect
for electrical
power.
Second
Technician
(Operator’s
Station)
l
First
l
l
l
Set MASTER
BATTERY
switch
OFF.
Technician
(Commander’s
Station)
Install
front
accessory
harness
connector
at bulkhead
disconnect
(page
10-270).
Displace
basket-light
switch
harness
connector
from
basket
disconnect.
Connect
red probe of meter
to contact
“H”(CKT21
) of
basket-control
panel
harness
connector
at basket
disconnect,
and
black
probe
to ground.
Second
Technician
(Operator’s
Station)
l Set MASTER
BATTERY
switch
ON.
First
Technician
(Commander’s
Station)
l Check if meter indicates
18 to 30 volts
dc.
Does meter indicate
18 to 30 volts dc?
To-+0
TO VEHICLE
GROUND
m
1.0..0”
I
\
Coy--l;y,;a
A
(
-@-
FOR
CLARITY
QUADRANT
, ASSEMBLIES
NOT
SHOWN
)
l Inspect
front accessory
harness
for bent/broken
connector
contacts
or loose
CKT 21 wire at rear of
connectors.
l Repair connectors
if defective
(page
10-298).
l If connectors
are not
defective,
notify support
maintenance
of a defective
front accessories
harness.
l Install basket-light
switch
harness
connector
at basket
disconnect.
m
l
TA107333
4-644
.
