28—ELECTRICAL SYSTEM
CHRYSLER SERVICE MANUAL
LIGHTING SYSTEM
48.
HEADLIGHT AIMING AND ADJUSTMENT
The dual headlight system has two 5% inch
Sealed Beams on each side of the front of the
vehicle. (Fig. 29).
Identification on the 5% inch lamps is ac-
complished by the numeral
"1"
molded in the
top of the lens of the inner or single filament
lamps and by the numeral "2" molded in the
top of the lens of the outer or double filament
lamps.
The inner lamps only operate on the upper
beam. The outer lamps operate on both upper
and lower beams. When the upper beam switch
is used for highway driving, all four lamps will
be in operation.
a. Headlight Aiming Using Wall or Screen
Place car on level surface with screen 25 feet
ahead of headlight lenses. The screen (or wall)
should be painted a light color. The horizontal
line on screen should be 2 inches below center
line of headlights (Fig. 28). The center ver-
tical line should be equi-distant from two outer
lines which represent vertical center of head-
lights.
b.
Headlamp—Horizontal Alignment
Car should be on a level floor, directly facing
the screen, 25 feet from the headlight lenses.
Locate the center line of the car with the cen-
ter vertical line of the screen. By measuring
from the floor to the center of the head lamps
determine the horizontal center line of the
lamps. Transfer this measurement to the
screen; then, locate the horizontal aiming line
two (2) inches below the head lamp horizontal
center line (See Fig. 28).
c. Vertical Alignment
It will be necessary to determine vertical center
lines of both inner and outer head lamps from
the center of the car. Alignment should be
made on the inner lamp on high beam as in
Figure 28 (block off outer lamps). On low
beam, adjust the outer lamp units in accord-
ance with the low beam pattern as shown in
Figure 30. Adjustment is obtained by screws
at top and sides of headlights (Fig. 29).
VERTICAL CENTER LINE OF VERTICAL CENTER LINE OF
LEFT INNER LAMP UNIT RIGHT INNER LAMP UNIT
CAR CENTERLINE j/
HORIZONTAL CENTER* LINE OF LAMP UNITS
ZJ, I
1
\ I
AIMING LINE
I 2 INCHES
25 FEET
; / UNIT NO. 1 \ /
"Q QV-SINGLE FILAMENT-^Q Q
57x364
Fig.
28—Adjusting Single Filament Headlight
ORIZONTAL ADJUSTING SCREW
VERTICAL
ADJUSTING
SCREW
^ VERTICAL
ADJUSTIN
SCREWS
Fig.
29—Adjusting Dual Headlight
VERTICAL CENTER LINE OF VERTICAL CENTER LINE OF
LEFT OUTER LAMP UNIT RIGHT OUTER LAMP UNIT
CAR CENTERLINE
HORIZONTAL
CENTER LINE
OF LAMP UNITS
57x365
Fig.
30—Adjusting Double Filament Headlight
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