TM
5-5420-226-20-1
..
DETAILED
TROUBLESHOOTING
PROCEDURE
Symptom-64
SUPPORT
SYSTEM
- VEHICLE
LIGHTING
BOTH
BLACKOUT
TAILLIGHTS
AND/OR
BOTH
BLACKOUT
MARKER
LIGHTS
WILL
NOT
LIGHT.
~
NOTE
This procedure
is to be performed
by
two
persons.
The
lead
person
is
referred
to as the first technician
and
shall direct the activity
of the second
person called the second technician.
J
Check
if both blackout
marker
lamps will light.
Second
Technician
(Operators
Station)
l Set MASTER
BATTERY
switch
ON.
l Turn LIGHTING
CONTROL
switch
to B.O.
MARKER,
First
Technician
(Front
of Vehicle)
l Visually check if blackout
marker
lamps
on both
headlights
are lit.
MASTER
CONTROL
PANEL
BLACKOUT
MARKER
LAMP
(LEFT SIDE SHOWN)
L
l Check
front accessory
harness connector
(CKT 24) at
bulkhead
disconnect
for
electrical
power.
l See Step
@
TA10732O
4-631