TM
5-5420-226-20-1
Symptom-66
DETAILED
TROUBLESHOOTING
PROCEDURE
SUPPORT
SYSTEM
- VEHICLE
LIGHTING
FROM
STEP
(Continued)
o2I
I
Check
if high beam or low beam in bad service
headlight
lamp will not light.
Second
Technician
(Front
of Vehicle)
l Visually check if high beam or low beam in service
headlight
lamp
will not
light.
First
Technician
(Operators
Station)
l Press and release foot DIMMER
SWITCH,
Second
Technician
(Front
of Vehicle)
l Visually check if high beam or low beam in service
headlight
lamp
will not
light.
4
Which beam in service
headlight
lamp does not light?
1
m
I
SERVICE
HEADLIGHT
LAMP
(LEFT
SIDE
SHOWN)
-
l Check dual headlight
base
harness connecto;(CKT
17) at
bad service
headlight
for
electrical
power.
l See Step
@
.
r
\
. .
TA107336
4-647