TM
5-5420-226-20-1
DETAILED
TROUBLESHOOTING
PROCEDURE
Symptom-58
SUPPORT
SYSTEM
- VEHICLE
LIGHTING
-.
GAGE
INSTRUMENT
PANEL
LAMPS
WILL
NOT LIGHT
(PANEL
LIGHT
SWITCH
AT BRIGHT).
-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.
Check
if gage instrument
panel lamps will light with
~
PANEL LIGHT switch
at DIM.
First
l
l
l
Technician
(Operators
Station)
Set MASTER
BATTERY
switch
ON.
On LIGHTING
CONTROL
switch,
turn
ON-OFF
lever to SER
DRIVE
and turn
PANEL
lever to DIM.
Visually
check
if gage instrument
panel
lamps
are lit.
MASTER
CONTROL
PANEL
1
Are gage instrument
panel lamps lit?
(
r
::
<f:
Ena
GAGE
INSTRUMENT
PANEL
Replace LIGHTING CONTROL
switch (page 10-54).
I
TA107282
4-593