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CHASSIS ELECTRICAL
12- 1 7
LIGHTING SYSTEM
GENERAL INFORMATION
The lighting system includes the main light
switch, stop light switch, dimmer and back-up lamp
switchs, head and parking lamps, stop, tail, side
marker, clearance and identification lamps, porch
light; instrument illumination, directional signal and
indicator lamps and necessary wiring to complete the
various circuits .
All Motor Home models use a single 7-inch sin-
gle sealed-beam unit type headlight, all other lights
are a replaceable bulb type. Refer to "Light Bulb
Specifications" at the end of this section for bulb
number.
HEADLAMP ADJUSTMENT
Figure 24-Headlamp Adjustment
The headlamps must be properly aimed to obtain
maximum road illumination . Proper aiming should
be checked whenever a sealed beam unit is replaced
or after any repair of the headlamp socket assembly .
Regardless of the method used for checking head-
lamp aim, the vehicle must be at normal ride height,
that is with gas, water and passenger weight most
frequently traveled with .
HEADLAMP REPLACEMENT (FIGURE 25)
1. Remove (4) headlamp bezel retaining screws .
2. Disengage spring from retaining ring .
3 . Turn headlamp unit to disengage assembly
from headlamp adjusting screws .
NOTE:
Some states have special headlamp aim-
ing requirements which must be known and fol-
lowed.
4. Disconnect wiring harness connector located
at the rear of the sealed beam assembly .
Horizontal and vertical aiming of each sealed
beam is provided by two adjusting screws which
move the mounting ring against the retaining spring
tension (figure 24).
NOTE:
Do not disturb adjusting screw setting.
5 . Remove retaining ring and headlamp from
mounting ring .
Figure 25-Headlamp and Side Marker Lamp Installation
W
RETAINING SPRING ~-
MOUNTING RING
SEALED BEAM UNIT
_\
RETAINING RING
SIDE MARKER LAMP
e
w
i
PARK & DIRECTIONAL LAMP_
HEADLAMP BEZEL
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A-1803
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