lights OPEL GT-R 1973 Service Manual

CC-10 1973 OPEL SERVICE MANUAL
wiper blades. Check amount and direction of fluid
sprayed by washers during use.,
E. Defrosters - Check performance by moving con-
trols to “DEF” and noting
am$nmt of air directed
against the windshield.
I
F. Wheel Alignment and
Balabce - In addition to
abnormal tire wear, the need fbr wheel alignment
service may be indicated by a pull to the right or
!eftwhen driving on a straight and level road. The need
for wheel balancing is usually
iddicated by a vibra-
tion of the steering wheel or
se;+ tihile driving at
normal highway speeds.I
IG. Brakes
- Be alert to illumiriation of the brake
warning light or changes in braking action,
SUCK as
repeated pulling to one side, unusual sounds when
braking or increased brake pedal travel. Any of thesecould indicate the need for
brakk system inspection
and/or service.
H. Parking Brake and Transmission “PARK”
Mechanism
- Check parking brake holding ability by
parking on a fairly steep hill and restraining the vehi-
cle with the parking brake only.
eon cars with auto-
matic transmissions, check the holding ability of the
“PARK” mechanism by releasing all brakes after
the transmission selector lever hak been placed in the“P” position.
I. Glass
- Check for broken, scrritched, dirty or da-
maged glass on vehicle that
coulld obscure vision’or
become an injury hazard.
J. Lights and Buzzers
- Check all instrument panel
illuminating and warning lights,’ seat belt reminder
light and buzzer, ignition key
b&er, interior lights,
license plate lights, side marker! lights, headlamps,
parking lamps, tail lamps, brake lights, turn signals,
backup lamps, and hazard warding flashers. Have
someone observe operation of
&ach exterior light
while you activate the controls: The operation of
instrument panel warning lights is covered in the
“Starting and Operating“ section of your
Own&%
Manual.K. Transmission Shift Indicator
‘- Check to be sure
automatic transmission shift
indiCator accurately i”-
dicates the shift position selected.
I
CAUTION: Before making thk check below,I
be sure to have a clear dist&e ahead and:
behind the car, set the parking brake and
firmly apply the foot brake.
Do not depress
accelerator pedal. Be prepared to
turn off ’
ignition switch
immediat+y if engine
should start.L. Starter Safety Switch (Automatic Transmissibn
Cars)
- Check starter safety switch by placing the
transmission in each of the driving gears while
at-tempting to start the engine. The starter should oper-ate only in the Park (“P”) or Neutral (“N”)
positions.
M. Horn
- Blow the horn occasionally to be sure thatit works. (Ignition switch must be in the “ON” posi-
tion.)
N. Seat Back Latches
- Check to see that seat back
latches are holding by pulling forward on the top of
each folding seat back.
0. Rearview Mirrors and Sun Visors
- Check that
friction joints are properly adjusted so mirrors and
sun visors stay in the selected position.
P. Door Latches
- Check for positive closing, latch-
ing and locking.
Q. Hood Latches - Check to make sure hood closesfirmly by pressing on the hood at the latching point
after each closing. Check also for broken, damaged
or missing parts which might prevent secure latch-
ing.R. Fluid Leaks
- Check for fuel, water, oil or other
fluid leaks by observing the ground beneath the vehi-cle after it has been parked for a while. If gasoline
fumes or fluid are noticed at any time, the cause
should be determined and corrected without delay
because of the possibility of fire.
S. Exhaust System
- Be alert to any change in the
sound of the exhaust system or a smell of fumes
which may indicate a leak.
Head Restraints
- Check that no head restraint
components are missing, damaged or loose. (Does
not apply to GT Models).
Disc BrakesCheck brake pads and condition of rotors while
wheels are removed during tire rotation. (Note belowregarding more frequent checks also applies to disc
brakes.)
Parking and Drum BrakesCheck drum
brake linings and other internal brake
components at each wheel (drums, wheel cylinders,
etc.). Parking brake adjustment also should be
checked whenever drum brake linings are checked.
NOTE: More frequent checks should be
made if driving conditions a.nd habits result
in frequent brake application. When brakes
require relining, it is recommended thatyou use those genuine General Motors
parts specified for your car,and Delco fluid
as required.

LUBRICATION AND MAINTENANCE OC-11
Throttle Linkage
Check for damaged or missing parts, interference or
binding. Any deficiencies should be corrected with-
out delay.
Headlights
Check for proper aim. Correct as necessary. More
frequent checks should be made if oncoming motor-
ists signal when you are already using your low
beams, or if illumination of the area ‘ahead seems
inadequate.
Underbody
In geographic areas using a heavy concentration of
road salt or other corrosive materials for snow re-
moval or road dust control, flush and inspect the
complete under side of the car at least once each
year, preferably after a winter’s exposure. Particular
attention should be given to cleaning out underbody
members where dirt and other foreign materials may
have collected.
EMISSION CONTROL MAINTENANCE
Thermostatically Controlled Air Cleaner
Inspect installation to make certain that all hoses and
ducts are connected and correctly installed. Also,
check valve for proper operation.
Carburetor Choke
Check choke mechanism for free operation. A bind-
ing condition may have developed from petroleum
gum formation on the choke shaft or from overtight-
ening of air cleaner clamp. Also check electric choke
terminal connections and fuse.
Timing, Dwell and Distributor
Adjust timing and dwell accurately as outlined under
Tune-Up in Group 6 at the first 4 months or 6,ooOmiles of operation, then at 12 month or
12,OQO mile
intervals. Adjustments must be made with test equip-
ment known to be accurate.
Replace distributor points every 12 months or 12,000
miles and carefully clean and inspect the complete
distributor cap to prevent misfiring and deteriora-
tion.
Carburetor and Idle
SpeedTorque carburetor attaching bolts and/or nuts to 12
ft.lbs. to compensate for compression of gasket atiirst 4 months or 6,000 miles of vehicle operation.Adjust idle speed to specifications with known accu-
rate equipment.
Proper functioning of the carburetor is particularly
essential to control of emissions. Correct mixtures
for emission compliance and idle quality have been
preset by Opel. Plastic idle mixture limiters have
been installed on the idle mixture screw, idle air
screw, and throttle stop screw to preclude unauthor-
ized adjustment. The plastic caps on the idle mixture
screw and the idle adjustment screw must be
removed to perform an idle speed adjustment. The
plastic cap on the throttle stop screw is not to be
removed unless some major carburetor repair or re-
placement which affects the throttle stop screw ad-
justment has been necessary.
Carburetor Fuel Inlet Filter
Replace filter at 12 month or
12,OCO mile intervals
or more often if clogged.
Spark Plugs
Replace at
6,ooO mile intervals when operating with
leaded fuels or at 12,000 mile intervals when using
unleaded fuels. Use of leaded fuels results in lead
deposits on spark plugs and can cause misfiring at
mileages less than
12,OilO miles. Where misfiring oc-
curs prior to
6,ooO miles, spark plugs in good condi-
tion can often be cleaned, tested and reinstalled in an
engine with acceptable results.
Spark Plug Wires
Inspect spark plug wires for evidence of checking or
cracking of exterior insulation and tight fit in the
distributor cap and at the spark plugs. Exterior of
wires should be cleaned, any evidence of corrosion
on ends removed and wire replace if deteriorated.
Positive Crankcase Ventilation System
The PCV metered orifice should be cleaned at 12,000
mile intervals under normal use, and at 6,000 mile
intervals when the vehicle is used under the follow-
ing conditions: driving in dusty conditions, extensive
idling, trailer pulling and short trip operation at
freezing temperatures (engine not thoroughly
warmed-up).
Evaporation Control System
Check all fuel and vapor lines and hoses for proper
connections and correct routing as well as condition.
Remove canister and check for cracks or damage.
Replace damaged or deteriorated parts as necessary.
Replace filter in open end of canister at 24month/24,000 mile intervals.

1A. 4 1973 OPEL SERVICE MANUAL
gravity corrected to 80 degrees F.’ shows more than
a thirty point
(.030) drop from the initial tilling with
electrolyte, or if one or more cells’gas violently after
addition of electrolyte, the batteiy should be fulty
charged before use.
3. For best performance in cold weather (32 degrees
F. or less), or if the battery and the electrolyte are not
at 60 degrees F., or above at time of activation, warm
the battery by boost charging.
TROUBLE DIAGNOSIS
BATTERY AND CABLES. TRDUBLE DIAGNOSIS
Quick Check of Battery and Cables
Whenever electrical trouble developes, it is desirable
to make a quick check of the battery and cables to
make certain that this source of current is in good
condition, securely connected, and is functioning
properly. This check will also give a good check on
the cranking system.
1. Turn on the lights. They should’burn steadily and
with normal brilliance.
2. With lights burnings, operate the cranking motor.
Either have the headlights shining on a wall so their
brilliance can be noted, or have someone watching
the headlights.
3. When cranking motor solenoid switch is
closeh,one of the following conditions will occur; (1) Lights
will stay bright or will dim slightly if temperature is
cold, and engine will be cranked at normal speed; (P
Lights will
gb out; (3) Lights will dim considerably;
(4) Lights will stay bright but no cranking action will
take place. The first named condition indicates that
nothing is wrong with the battery, cables, and crank-
ing system. The other conditions indicate trouble
aSfollows:
4. If fightsgo
out as cranking motor solenoid switch
is closed, it indicates a poor connection in the circuit
between battery and cranking motor. Check battery
cables and clean and tighten loose or corroded termi-
nals.
5. If
lights dim considerably as cranking motor
solenoid switch is closed, it indicates that the battery
is run down, or there is a condition in cranking
mb-tor or engine which causes an excessive current drain
on the battery. A low battery will be indicated by ,a
clattering noise in cranking motor solenoid because
the battery cannot sustain the voltage required to
hold solenoid plunger “in” after switch contacts
close and the “pull in” winding is shorted out.
Test battery with a 421 Battery Test. If battery is
found to be in good condition check cranking motor.
6.Iflights stay bright but no cranking action occurswhen cranking motor solenoid switch is closed, it
indicates an open circuit in cranking motor, switch,
or control circuit.
Testing Resistance of Cables and Terminal
Connections
Battery cables and terminal connections may be
tested with equipment comprising of a voltmeter (5
volts maximum), ammeter of 300 or more amperes
capacity, and carbonpile rheostat having a minimum
capacity of 300 amperes connected in series with the
ammeter.
I. Adjust rheostat to provide maximum resistance
(“OFF” position).
2. Connect ammeter positive lead to post on starting
motor. Connect ammeter negative lead to one side of
rheostat and connect other side of rheostat to ground
on engine, preferably at point where battery ground
strap is attached. In the instrument shown in FigurelA-1, the ammeter and rheostat are connected in
series inside the case.
3. Connect voltmeter negative lead to post on start-
ing motor. Use prod with voltmeter lead, if neces-
sary, to insure direct contact with the terminal stud.
Do not connect to the ammeter lead clip.Attach a
prod to voltmeter position lead and apply the prod
to center of battery positive post (Figure lA-1.)
Make sure that clips of voltmeter leads have clean
metal contact with prods.
Figure l A-l Battery Cable Test Connections
4. Adjust rheostat until ammeter reads 200 amperes,
immediately read voltmeter, then turn rheostat to
starting (“OFF”) position to avoid excessive drain on
battery. Voltage drop across battery positive cable

BATTERY AND CABLES - ALL MODELSlA- 5
and terminal connections should not exceed 2/10
volt.
5. Connedt voltmeter positive lead to ground on en-
gine.
At&h prod to voltmeter negative lead and
apply prod to center of battery negative post. Volt-
age drop across the battery ground cable and termi-
nal conne$tions should not exceed 2/10 volt at
200amps.
6. A reading in excess of 2/10 volt when testing
either battery cable indicates excessive resistance in
cable or cpnnections. Clean and tighten cable or con-
nections. Clean and tighten cable terminals
(sub-para. c, below) and recheck for voltage drop. If volt-
age drop Still exceeds 2/10 volt, replace cable with a
genuine Buick-Opel cable to insure ample capacity.
Undercharge Failure of BatteryThe most frequent trouble experienced with storage
batteries is failure to maintain a state of charge suffi-
cient to crank the engine and also furnish current to
the ignitibn system, lights and accessories. Failure to
maintain a proper state of charge may be due to one
or more of the following conditions:
1.
Opertiting Conditions. When determining cause
of premature failure of a battery, consideration must
be given /to the conditions under which the car is
operated.,
In very low temperatures the capacity of a storage
battery
ii considerably reduced and the energy re-
quired f& cranking the. engine is considerably in-
creased. :
Frequent starting, particularly in cold weather,
ac-compani the batteqy for cranking than the generator can re-
place in the limited running time. This condition is
aggravated by night driving when lights are turned
on, or by operation of an air conditioner in heavy
traffic.
When thk car is operated under these conditions,adjusting,the voltage regulator to the high limit may
allow enough increase to keep the battery at a safe
state of charge. If the high limit setting does not
maintain a safe state of charge, an occasional booster
charge should be given to the battery.
2. Low charging Rate. In case of premature battery
failure, tbe charging rate of alternator should always
be checked and adjusted if below specifications.
3.
Zntemd Condition The internal condition of the
battery niay be such that it cannot hold a chargesatisfactoiily. Check electrolyte level and test the
battery using the 421 Battery Test.
Overcharge Failure of BatteryA common cause of battery failure is overcharging,
that is, continued input of excessive charging current
after the battery has reached a fully charged condi-
tion.
One evidence that battery is being overcharged is the
need for frequent addition of water to the battery in
order to maintain the electrolyte level above the tops
of the battery separators, since overcharging causes
rapid water loss. When this becomes evident, the
charging rate of alternator should be immediately
checked, as well as the voltage regulator, and ad-
justed to avoid internal damage to battery.
ADJUSTMENTS AND MINOR SERVICEPERIODIC BATTERY INSPECTION AND SERVICE
The battery requires very little attention, but peri-
odic inspection is essential to secure the maximum
efficiency and life. The following services are essen-
tial to maintain the battery at maximum efficiency.
WARNING: Never expose battery to open flame or
electric spark
- battery action generates hydrogen gas
which is flammable and explosive. Do not allow bat-
tery fluid to contact skin, eyes, fabrics or painted
surfaces
- fluidis a sulfuric acid solution which could
cause serious personal injury or property damage.
Wear eye protection when working with battery.
Maintain Electrolyte LevelAdd distilled water as required to maintain the elec-
trolyte level at the split ring at bottom of tiller well.
See Figure IA-2.
Figure lA-2
Battery Filler Well

19- 12 1973 OPEL SERVICE MANUAL :ConditionPosiible CauseCorrection4. Voltage drop.1. Check wiring and wiring
connections.
5. Overrun&g clutch slips.1. Replace overrunning clutch.
The cranking motor keeps
on rotating after ignition
switch is off.1. Ignition
{witch does not
cut off or solenoid switch
sticks.
1, Immediately disconnect cranking
motor cable from battery. Inspect
and/or replace or repair ignition and
solenoid switches as required.
The drive pinion does notdemesh after engine has
been cranked.1. Drive pinion or ring gear
1. Clean components as specified.
teeth clogged or flattened.Replace as required.
Return spring slack or broken.MAlNTEilANCE AND ADJUSTMENT
/
STARTING SYSTEM CHECKS
Voltage Loss ChecksWhen the starter cranks too slowly, check the bat-
tery state of charge and all electrical connections
between the battery and starter.
1. Turn on headlights and
opera’te starter. If head-
lights dim considerably when starter is engaged, the
battery may be discharged or be defective. Check the
battery.
2. If the headlights stay bright but the starter d&s
not turn over, the starter cables may be faulty or the
starter defective.
(a) Test battery voltage while cranking engine
1(9volts minimum).
(b) Check voltage from starter tkrminal of solenoid
to starter frame while cranking engine.
3. The difference in readings taken in Operations 2a
and 2b above represents the
volt& drop through the
cables and solenoid switch. Voltdge drop should
Gotexceed
.5 volt.
4. Locate excessive resistance as follows:
(a) Turn voltmeter to scale above 12 volts and con-
nect voltmeter leads
across connection or switch: to
be checked.
(b) With starter switch closed, turn voltmeter switch
to lowest scale and take reading as quickly as possi-
ble, then turn switch back to higher scale and stop
cranking engine.(c) Voltmeter must not read more than
.2 volt across
any
c:onnection. If voltmeter reads more than .2 volt,
the
d~efect must be corrected.
Starter Current Draw - Lock Test1. Make sure battery is fully charged and in good
condition.
2. Connect a volt ampere starter tester according to
manufacturer’s instructions.
3. Pull parking brake on securely, shift transmission
into 4th (direct) gear and actuate starter. (Starter will
not
t,urn engine because engine is locked through
transmission.)
4. While starter is actuated, read voltage and current.
Refer to Specification Chart.
(a) Voltage low
_ poor battery or a voltage loss in the
starter circuit.
(b) Current high
- short circuit in starter. Overhaul
starter.
(c) Current low
- commutator dirty, brushes worn,
solenoid switch contacts defective or open circuit in
starter. Overhaul starter.
Starter Current Draw. On Car1. Bring engine to normal operating temperature.
2. Stop engine and disconnect coil wire from dis-
tributor.
3. Ground coil wire to prevent excessive coil voltage
build up.

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.

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