light OPEL 1900 1973 Owner's Manual

LIGHTING SYSTEMSlF-45LIGHTING SYSTEMS
CONTENTS
Subject
DESCRIPTION AND OPERATION:
LightingSystems................................................................
DIAGNOSIS:MAINTENANCT AND ADJUSTMENTS:
Headlamp Aiming..............................................................
MAJOR REPAIR:
Opel 1900
- Manta
HeadlightSwitch............................................................
Fog Lamp or Heated Rear Window Switch
..........
SealBeam........................................................................
Tail Lamps........................................................................
LicensePlateLamp........................................................
FrontSideMarker..........................................................
Rear Side Marker..........................................................
Courtesy Light................................................................
DoorJamSwitch............................................................
GT
Front Turn Signal..........................................................
SealBeam........................................................................
Tail Lamps........................................................................
Side Marker......................................................................
LicensePlateLamp........................................................
Backup Lamp
..................................................................
InteriorLight....................................................................
Headlamp Switch..........................................................
DoorJamSwitch............................................................
SPECIFICATIONS:
Page No.
1 F-45
1 F-46
1 F-46
1 F-47
1 F-47
1 F-40
1 F-49
1 F-49
1 F-50
1 F-50
1 F-50lF-51lF-51lF-51
1 F-52
1 F-52
1 F-53
1 F-53
1 F-53
1 F-53
DESCRIPTION AND OPERATION
DESCRIPTION OF LIGHTING SYSTEMThe
three-baition light switch on Opel 1900 and
Manta corjtrols the headlights, taillights, parking
lights, side marker lights, instrument panel lights,
and the lic&se plate light.
When the
Qght switch knob is pulled out to the first
stop, the .pxking lights, side marker lights, the Ii-
cerise plate light, and the instrument panel lights will
light.
Pulling the knob out all the way turns the headlights
on.The instrument panel lights come on when the head-
light switch is pulled out to the first stop or pulled
out ‘all the way. The instrument panel lights are
turned off by turning the switch knob counterclock-
wise past the first detent.

1F. 46 1973 OPEL SERVICE MANUAL
’
/
Headlight High-Low Beam Control and Passing:
SignalI
When the headlights have been switched on, high
and low beam selection is made by raising the direc-
tional signal lever toward steering wheel. Each
ti&the lever is raised, beam position, will change.
When the headlights are not on, a flashing headlight
signal may be given by raising and lotiering the di-
rectional signal lever. With the headlights on and
inlow beam position, raising and lowering the direc-
tional signal lever will also cause the headlights to
flash.
Fog Light SwitchAll Rallye models are equipped with two white f?g
lights mounted below the front bumper.
The fog light toggle switch is located on the
insty-ment cluster to the left of the temperature and
fuelgauge cluster.
/
The fog lights can be turned off at any time by the
toggle switch, but can only be tyrned on when: :
1. The ignition switch on or the
?gine running.!
2. The fog light toggle switch lower half is pushed
in.3. The parking lights and/or low beam headlights
are
OKThe fog lights are automatically turned off if the
ignition switch is on and the headlights are switched
to high beam position.
Courtesy LightThe courtesy light illuminates the interior of the Car
when any door is opened. The courtesy light can also
be turned on with all doors closed by tilting the l&s.
GT Headlamp MechanismThe concealed headlamps are moved mechanically.
Pushing actuating lever on left side of console opens
headlamps and pulling lever closes headlamps. Two
(2) meshing gear segments convert the movement, of
the lever to a rotation of 180 degrees. The pivots of
the headlamps lie below the centerline so that with
headlamps in closed position, the headlamp housing
is flush with front sheet metal. Refer to Group 110,
Section “F”, for service procedures on the GT head-
lamp mechanism.
A white indicator lamp in the instrument panel lights
if the headlamps are not completely opened lorclosed The switches of the headlamp electrical sys-
tem are located behind the left headlamp operating,
mechanism.
MAINTENANCE AND ADJUSTMENTSHEADLAMP AIMING
The headlamps must be properly aimed in order to
obtain maximum road illumination and safety that
has been built into the headlighting equipment. With
the Guide T-3 type sealed beam units, proper aiming
is even more important because the increased range
and power of this lamp make even slight variations
from recommended aiming hazardous to approach-
ing motorists. The headlamps must be checked for
proper aim whenever a sealed beam unit is replaced
and after an adjustment or repairs of the front end
sheet metal assembly.
Regardless of method used for checking headlamp
aim, car must be at normal weight, that is, with gas,
oil, water, and spare tire. Tires must be uniformly
inflated to specified pressure. If car will regularly
carry an unusual load in rear compartment, or a
trailer, these loads should be on car when headlamps
are checked. Some States have special requirements
for headlamp aiming adjustment, and these require-
ments should be known and observed.
Horizontal and vertical aiming of each seal beam
unit is provided by two adjusting screws which move
the mounting ring in the body against the tension of
the coil spring. There is no adjustment for focus,
since the sealed beam unit is set for proper focus
during manufacturing assembly.
MAJOR REPAIRHEADLIGHT SWITCH
- OPEL 1900. MANTA
Removal1. Remove instrument cluster cover panel. See Sec-
tion H.
2. Compress retaining springs and pull switch out.
See Figure 1 F-
1.3. Pull multiple socket off switch.
Installation
1: Plug multiple socket in switch and push switch in
panel until clips lock in place.
2. Replace instrument cover and secure with two (2)
screws.

LIGHTING SYSTEMSlF-472. Install switch in panel.
3. Replace instrument cluster cover.
EXTERIOR LIGHTSModels 51-53-54
Headlamp Sealed Beam Unit Removal1. Remove two screws on headlight ring.
2. Remove four screws holding headlight retainer to
body. See Figure lF-3.
Figure 1 F-l Removing Headlight Switch
I
3.
Rep& two (2) plugs over screws and replace
heater control knobs.
FOG LIGHT OR HEATED REAR GLASS SWITCHRemoval I
1. Removd instrument cluster cover. See Section H.
I
2. Press
ddwn retaining clip and pull switch out. See
Figure lF-2.
Figure 1 F-3 - Removing Headlight Retainer
- Models
51-53-54
3. Disconnect wiring connectors,
4. Remove headlight from inside engine compart-
ment.
Figure 1Fi2 - Removal of Fog Light or Heated Rear
Glass Switch
3. Removelwires from switch.
Installation/
1. Connect;wire to switch,
Installation1. Plug in wiring connector on sealed beam and re-
place four (4) headlight retaining screws.
2. Replace headlight ring.
Models 57-57R
Removal
I. Disconnect wiring connector.
2. Remove four screws holding headlight retainer
from inside engine compartment.

1~- 48 1973 OPEL SERVICE: MANUAL/
3. Disassemble headlight assembly from retaini+g
ring. See Figure lF-4.
i
tFigure 1 F-4
- Headlight Assembly - Models 57.57R
Installation1. Assemble headlight to retaining rings.;
2. Install to body from inside engine compartmept
with four (4) screws.
3. Connect wiring harness.
Parking Light Housing or Lens Removal1. Remove two screws holding lamp lens.:
2. Remove two screws holding housing. See FigurelF- 5.
Figure lF-5 Remove Parking Light Housing
3. Disconnect wiring harness.1. Apply sealer to housing
2. Connect wiring harness.
3. Replace housing in body with two (2) retaining
screws.4. Replace lamp lens.
REAR STOP, TAIL, DIRECTIONAL SIGNAL, OR
BACK-UP LAMP HOUSINGMod&
J-I-53
Removal1. In luggage compartment, unscrew housing attach-
ing nuts. See Figure lF-6.
Figure lF-6 Tail Light Housing Attaching Nuts
Models 5 1-53
Figure lF-7
- Removing Tgil Light Lens - Models
51.53

LIGHTING SYSTEMSlF-492. Take
Le:s off housing. See Figure lF-7.
3. Remove housing.1
Installation;I
1. Install
le$ in housing.
2. Replace
+.Model 54
;,
1, Remove Ilamp lens from outside.
/
2. Remove kear quarter trim pad.
/
3. Remove
ifour screws from inside car. See FigurelF- 8.
Figure 1 F-8
I- Removing Tail Light Housing - Model 54
I
4. Disconnkct wiring connector.
I
1. Connect iwiring to lamp
2. Install hbusing using four (4)
scre%s.3. Replace
p quarter trim pad
4. Replace
Lens,Models
57-$RI
Removal1. Unscrew!lens from housing.2.
III luggage compartment, unscrew three (3) hous-
ing attaching nuts. See Figure lF-9.
Figure lF-9 Tail Light Housing Attaching Nuts
-Models 57.57R
3. Disconnect wire connector.
Installation1. Plug in wiring harness.
2. Replace housing with three (3) attaching nuts.
3. Replace lens.
Rear License Plate Lamp Assembly Removal1. Remove two screws holding housing to bumper.
2. Pull lamp assembly down.
3. To replace bulb, take out two
screws holding lens
in place.
Installation1. Replace bulb and lens to housing.
2. Replace lamp assembly to bumper with two (2)
screws.
SIDE MARKER LIGHTS
Front Removal1. Remove outer lens.
2. Remove two sheet metal screws for housing at-
tachment.
3. Disconnect wire connectors.

1 F- 50 1973 OPEL SERVlCE,MANUAL
Installation
1. Connect wiring harness.
2. Replace housing with two (2) screws.
3. Rep&e lens.
Rear RemovalRemove two screws from support bracket aed
remove housing and lens. See Figure lF-10.
,&y...2&L&-i -:,..; 3O’F’OFigure 1 F-10
- Removing Rear Side Marker Lampx
kallationInstall housing and lens with two (2) attach&gSCFSVS.
INTERIOR LIGHTS
Courtesy Light Removal1. Pry courtesy light out of roof frame, as shown in
Figure 1 F-
11.
t2. Pull wires off flat plugs. See Figure lF-12.
Figure lF-12 -Courtesy Light Wire Connections
Installation1. Connect wires to flat plugs, a) red wire, b)
greywire, and c) brown wire.
2. Push light back into roof frame.
Door Jam Switch Removal1. Remove door jam switch
attach’ing screws.
2. Remove switch and disconnect wire.
Installation1. Connect wire to switch.
Figure lF-1 1
- Removing Courtesy LightFigure 1 F-l 3 Removing Parking Light Lens

I
2. Install Switch to door jam.
I
EXTERlOd LIGHTS. GTLIGHTING SYSTEMSlF- 51
Removing~Parking-Light Housing1.
Remove lamp lens.
2. Remove lamp housing.
3.
Discon$ect electrical wires. See Figure lF-13.
lnstallatioh
1.
Con& electrical wires.2. Install famp housing and lens.
Removal df Front Directional Signal Lamp1.
Remove lamp lens.
2.
Removk lamp housing.
3.
DisconAect electrical wires. See Figure lF-14.Figure
lb14 Removal Front Directional Lamp Lens
Installation1.
Con&t electrical wires.
2. Install lamp housing and lens.
Removal {f Headlamp Sealed Beam1. Rotate fieadlamp to open position.
2.
Remove headlamp shield. See Figure lF-15.3.
Removk headlamp attaching screws and take off
headlamp.; See Figure
lF-16.4. Disconiect electrical wires.
/Installatiot
1. Install headlamp with three (3) attaching screws.
IFigure lF-15 Removing Headlamp Shield
Figure 1 F-16 Removing Headlight Attaching Screws
2. Connect electrical wires.
3. Replace headlamp shield.
Before installation of headlamp shield, adjust head-
lamp for proper aim.
Removal of Rear Directional Signal Lamp. Stop and
Tail Lamp1. Remove lamp lens.

1 F- 52 1973 OPEL SERVICE’MANUAL:
2. Remove lamp housing.
1
3. Disconnect electrical wires. See Figure lF-100.’
Figure 1 F-l 7 Rear Directional Signal. Stop and Tail’LampInstallation1. Connect electrical wires.
2. Install lamp housing and lens.
Removal of Side Marker Lights1. Completely remove adjacent rear directional sig-
nal lamp.
2. Through directional signal
limp opening, tbe
marker lamp assembly can be removed. See
FiguielF-18.
Installation1. Install side marker.
2. Replace directional signal lamp.
Removal of License Plate Lamp1. Remove adjacent tail and directiqnal signal lamp.
2. Through opening remove bumper bolts.
3. Disconnect electrical wires.
4. Remove bumper guard from 6umper.Figure
lF-18 Side Marker Light Location
5. Remove lamp housing. See Figure lF-19.
Figure 1 F-l 9 Removing License Plate Light
1. Install lamp housing.
2. Install bumper guard in bumper.
3. Connect electrical wire.
4. Install bumper bolts.

I
LIGHTING SYSTEMSlF- 53
/Removal if Back-Up Lamp1. Remode back-up lens.
2.
Remo+ lamp housing.
3. Discodnect electrical wires. See FigurelF-20
Removal of Headlamp Switch1. Completely remove left headlamp and headlamp
housing.
2. Remove switch from base plate. See Figure lF-21.
Fibure lF-20 Removal of Back-Up Light
Interior djght RemovalI
1. Disco@ect battery.
2. Remohe lens.
3.
RemoF base plate by removing two (2) screws.
4. Unplulg wires.
I
I
InstallationI
1. Connect wires to proper plugs.
2. Install! base plate.
3. Install! lens.
4. Con&t battery.
I
,Figure
1 F-2 1 Light Switch Positions
Installation1. Install switch to base plate.
2. Install left headlamp and housing.
Door Jam Switch Removal1. Remove door jam switch attaching screws.
2. Remove switch and disconnect wire.
Installation1. Connect wire to switch.
2. Replace switch on door jam with attaching screw.

lG- 54 1973 OPEL SERVICE’ MANtiAL/SIGNAL SYSTEMSCdNTENTS
9Subject
DESCRIPTION AND OPERAT!ON:
Directional Signal Lever
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Horn. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .HazardWarning
Flasher. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .BrakeSystemWarningLight
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .DIAGNOSIS:
SignalSystem,.......................
i . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .MAINTENANCE AND ADJUS,TMENTS:
MAJOR REPAIR:
Directional Signal Switch
:. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HornRemoval. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Removing Horn Contact
. . . . :.............................................
SPECIFICATIONS:
FuseChart. . . . . . I . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Page No.
1 G-54
1 G-54
1 G-55
lG-55 _1 G-55
1 G-55
16-551 G-55
1 G-56
DESCRIPTION AND OPERATION
DIRECTIONAL SIGNAL LEVERThe direction signal switch lever is a multi- purpose
lever controlling direction signals, passing signal,
and high and low beams. See Figure
lG-1.301Gl
Figure lG-1 Directional Signal Position for Headlamp
OperationThe direction signal lever is provided with a
two-step mechanism for operation of headlight high and
low beams, and passing signal (not in New Jersey).
With headlights off, moving the lever repeatedly to-
wards steering wheel flashes headlights as a passing
signal. With headlights on, moving the lever repeat-
edly towards steering wheel up to first stop also
flashes passing signal regardless whether or not the
direcl:ion signals are switched on. When the lever is
moved up to the second stop, the headlights are
changed from high to low beam
dr vice versa. On all
Rallye cars, when switching from low to high beam
position, with the fog lamp instrument panel switch
“ON” and ignition switch in “RUN” position, the
fog lights are automatically
switChed off. Direction
signals work in the normal manner; pushing the lever
up for right turn signal and pulling the lever down
for left turn signal.
The horn button is located in the center part of the
steering wheel. The horn is actuated by pushing
down on the ends of both spokes on Opel 1900 andManta’s or on the center horn button on the Rallye.
The button is provided with a spring-loaded plunger.See Figure
lG-2.