Page 93 of 625

1 J- 72 1973 OPEL SERVICE MANUAL
I
WIRING IDIAGRAMS
CONTENTS
Subject
1973 WIRING DIAGRAMS: Windshield Wiper and
Horn:- Opel 1900 -
Manta....................................I.............. ..............................
Windshield Wiper and Horn’- Rallye ..........................
Windshield Wiper
andHorn!-GT
..................................
Turn Signal and Hazard Flasher
-
Opel 1900 - Manta !
........................................................
Turn Signal and Hazard Flasher
- GT ..........................
Oil, Fuel,
Temp.: Tach, Stop and Brake
Warning Light
.GT........................................................
Blower Motor, Lighter and
Rackup Lights -
Qpel 1900.Manta ........................................................
Blower Motor and Lighter
.,GT....................................
Indicator Lights and Gauges
- Opel 1900 -
Manta ........................................................................\
........
Indicator Lights
andGauges.Rallye ..........................
Dome Light and Buzzer
- Opel 1900 - Manta..........
Dome Light, Buzzer and Clock - GT ............................
Headlamps
- Opel 1900 ’
....................................................
Headlamps
.Mantaj............................................................
Headlamps and Fog Lights
.Rallye ..............................
Headlamps, Parking, Tail and Instrument
PanelLighting.GT ........................................................
Left Parking and Tail Lights
- Opel 1900 -
Manta ..................................i.............................................
Right Parking and Tail Lights
- Opel 1900 -
Manta................. ..*............................................................
Starting, Ignition and Charging
-
Opel 1900.Manta..........i.............................................
Starting, Ignition and Charging
- GT ..........................
Instrument
Panel.GT ......................................................
A/C Generatorand Regulator
- All Models..............
Seat Belt Warning System (Manual Transmission)
-Opel1909-Manta ..........................
Seat Belt Warning System (Automatic Transmission)
.Opel 1900 - Manta..........................
Seat Belt Warning System (Manual Transmission)
- GT........................................................ Page No.
1 J-74
1 J-75
1 J-76
1 J-77
1 J-78
1 J-79
1 J-80
lJ-81
1 J-82
1 J-83
1 J-84
1 J-85
1 J-86
1 J-87
1 J-88
1 J-89
1 J-90
1 J-91
1 J-92
1 J-93
1 J-94
1 J-95
1 J-96
1 J-97
1 J-98
Page 107 of 625
1 J- 86 1973 OPEL SERVICE MANUALi
Figure 1 J-l 3; Headlamps - Opel 1900
Page 108 of 625
I
I
IWIRING DIAGRAMSlJ- 87
Figure lJ-14 Headlamps Manta
Page 109 of 625
1 J- 88 1973 OPEL SERVICE MANUAL
!
I1.
Figure lJ-15’Headlamp and Fog Lights - Rallye
Page 202 of 625

OPEL 1900 AND MANTA STEERING COLUMN ASSEMBLY 3E.35
II
OPEL 1900 AND MANTA STEERING COLUMN
ASSEMBLY
CONTENTS
SubjectPage No.
DESCRIPTION AND OPERATION:
Description and Operation of Directional Signal
Lever. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Description
andOperationofHorn. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Description of Steering Column Assembly
. . . . . . . . . . . . . .DIAGNOSIS: (Not Applicable)
MAINTENANCE AND ADJUSTMENTS: (Not
Applicable)
MAJOR REPAIR:
3E-353E-363E-36
Removal and Installation of Steering Column
Assembly
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RemovalandInstallationofSteeringWheel. . . . . . . . . . . .Disassembly and Reassembly of Direction Signal
Switch
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Disassembly and Reassembly of Steering and
Ignition Lock Cylinder, and Electrical Switch
from Mast Jacket Assembly
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .SPECIFICATIONS:
Steering
ColumnSpecifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3E-363E-383E-393E-403E-41
DESCRIPTION AND OPERATIONDESCRIPTION AND OPERATION OF
DIRECTIONAL SIGNAL LEVERhigh to low beam or vice versa. On all
19M) Rallye
cars, when switching from low to high beam posi-
tion, with the fog lamp instrument panel switch ON
The direction signal switch lever is a multi- purpose
lever controlling direction signals, passing signal and
headlight high and low beams. See Figure
3E-2.The dire&M signal lever is provided with a two-
step mechanism for operation of headlight high and
low beams, and passing signal (not in N.J.). With
headlights off, moving the lever repeatedly towards
steering wheel flashes headlights as a passing signal.
With headlights on, moving the lever repeatedly to-
wards steering wheel up to first stop also flashes
passing signal regardless whether or not the direction
signals are switched on. When the lever is moved up
to the second stop, the headlights are changed from
SE.2Figure
3E-2 Directional Signal Lever Position for
Headlamp Operation
Page 503 of 625

8A-2 1973 OPEL SERVICE MANUAL
HOOD, FENDERS, AND GRILLE
CONTENTS
Subject
DESCRIPTION AND OPERATION:
GTHeadlampOperation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .DIAGNOSIS: (Not Applicable)
MAINTENANCE AND ADJUSTMENTS
GTHeadlampMechanism
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .MAJOR REPAIR:
Removal and Installation
Hood (1900
- Manta). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fender(1900-Manta). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Headlamp Covering (1900
- Manta). . . . . . . . . . . . . . . . . . . . . . . .Headlamp Assembly
(GT). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Headlamp
CableAssembly(GT). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Grille
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .SPECIFICATIONS: (Not Applicable)
DESCRIPTION AND OPERATION
DESCRIPTION AND OPERATION OF GT
HEADLAMP MECHANISMThe concealed headlamps are moved mechanically.
Pushing actuating lever on left side of console opens
headlamps, pulling lever closes headlamps. Two
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 head-
lamps in closed position the headlamp housing is
flush with front sheet metal.
A white indicator lamp in the instrument panel lights
if the headlamps are not completely opened and
locked. The switches of the headlamp electrical sys-
tem are located behind the left headlamp operating
mechanism.
MAINTENANCE AND ADJUSTMENTS
ADJUSTMENT OF HEADLAMP MECHANISMBoth headlamp assemblies must operate in unison in
order to lock in either the open or closed position.
Page No.
8A-2
8A-2
8A-3
8A-3
8A-4
8A-4
8A-6
8A-61. Adjust headlamps to be parallel in any position by
changing length of right headlamp operating rod.
For adjustment loosen clamp bolt (A). See Figure
8A-1.Figure
8A-l Headlamp Operation Adjustments
Page 504 of 625

HOOD, FENDERS, AND GRILLE8A- 3
2. Adjust headlamps to lock or unlock simultane-
ously by adjusting lock nut (B). See Figure EA-1.3. Adjust headlamp assembly in opening as follows:
a. To align front of assembly vertically or horizon-
tally, loosen bolts indicated (A) in Figure 8A- 2.
b. To align front of assembly longitudinally, loosen
lock nut (B) in Figure 8A-2 and bolts marked (B) in
Figure
8A-3.c. To align rear of assembly vertically loosen bolts
indicated (A) in Figure
8A-3.MAJOR
REPAIR
REMOVAL AND INSTALLATION OF HOOD1. With a pencil, mark hinge positions on engine
hood. See Figure
SA-4.Figure EA.2 Headlamp Assembly Front Adjustment
LocationFigure
CIA-3 Headlamp Assembly Rear AdjustmentLocationFigure
CIA-4 Marking Hinge Position
2. Unscrew engine hood bolts from hinges. Hood
must be aligned so that the distances to the
adjacent surfaces are almost equal all around.
REMOVAL AND INSTALLATION OF FENDER
(OPEL 1900. MANTA)
1. Remove and install front bumper.
2. Remove and install radiator grille.
3. Remove and install headlamp covering.
4. Remove and install side panel trim pad.
5. Remove and install hood catch.
6. Remove and install rubber bumper (hood rest).
7. If required, remove and install direction signal
lamp.
8, Unscrew attaching bolts at fender circumference
and remove fender. See Figure
8A-5.
Page 505 of 625
8A.41973 OPEL SERVICE MANUAL
Figure SA-5 Location of Fender Attaching Bolts
9. Fit new fender and apply a sealing compound, as
required, to joint. See Figure
SA-6.Figure 8A-6 Sealing Location
10. Coat fender inside with a dampening compound.
REMOVAL AND INSTALLATION OF HEADLAMP
COVERING (OPEL
1900. MANTA)
Removal1. Remove radiator grille.2. In engine compartment unscrew headlamp cover-
ing.
Se:e Figure SA-7.Figure 8A-7 Headlamp Covering Attaching Bolts
Installation1. Install headlamp covering. See Figure
SA-7.2. Install radiator grille.
REMOVAL AND INSTALLATION OF HEADLAMP
ASSEMBLY
(GT)1. Move headlamp to open position and remove
headlamp cover. See Figure
SA-8.Figure EA.8 Removing Headlamp Cap