1988 OPEL VECTRA engine

3Pull the wiring plug from the base of the bulb,
then release the spring clip, grasp the bulb by
its contacts and carefully withdraw it (see
illustrations). Do not touch the bulb glass.
Refitting
4Refitting is a reversal of removal.
Sidelamps
Removal
5Working in the engine compartment,
release the retaining clip, and remove the
cover from the rear of the headlamp.
6Pull the wiring plug from the bulbholder,
then pull the bulbholder from the headlamp
(see illustration).
7The bulb is a push fit in the bulbholder (see
illustration).
Refitting
8Refitting is a reversal of removal.
Front indicator lamp
Removal
9Working in the engine compartment,
disconnect the wiring plug from the
bulbholder.
10Twist the bulbholder anti-clockwise, and
pull it from the lamp unit (see illustration).
11The bulb is a bayonet fit in the bulbholder
(see illustration).
Refitting
12Refitting is a reversal of removal.
Front indicator side repeater
lamp
Removal
13Twist the lamp lens anti-clockwise, and
pull it from the lamp.
14The bulb is a push fit in the lamp (see
illustration).
Refitting
15Refitting is a reversal of removal, but
ensure that the rubber sealing ring is correctly
seated between the lens and the body panel.
Front foglamp
Removal
16To improve access, apply the handbrake,
jack up the front of the vehicle, and support
securely on axle stands (see “Jacking and
Vehicle Support”) positioned under the body
side members.
17Remove the securing screws, and
withdraw the plastic cover (driver’s side only)
from the bumper/front wing to expose the
foglamp.
18Remove the security screw, and withdraw
the cover from the base of the lamp (see
illustration).
19Release the spring clip, using a
screwdriver if necessary, then grasp the bulb
by its contacts and carefully withdraw it. Do
not touch the bulb glass (see illustration).
20Pull the wiring plug from the base of the
bulb.
Refitting
21Refitting is a reversal of removal.
Rear lamp unit
Removal
22Working in the luggage compartment,
remove the cover from the rear of the lamp.
23Release the top and bottom retaining
clips, and pull the bulbholder from the lamp,
12•12Body electrical systems
34.3A Release the spring clip . . .34.6 Pull the sidelamp bulbholder from the
headlamp . . .
34.18 Removing a front foglamp cover
securing screw
34.10 Withdraw the front indicator lamp
bulbholder (lamp removed) . . .34.07 . . . then pull the bulb from the
bulbholder
34.14 Removing a front indicator side
repeater lamp bulb34.11 . . . then remove the bulb
34.3B . . . and withdraw the headlamp bulb

41Washer fluid reservoir -
removal and refitting
2
1Disconnect the battery negative lead.
Models without headlamp wash
Removal
2Disconnect the wiring from the washer
pump.
3Disconnect the washer fluid hose from the
pump. Be prepared for fluid spillage.
4Remove the screw(s) securing the reservoir
to the body, and withdraw the reservoir.
Refitting
5Refitting is a reversal of removal.
Models with headlamp wash
Removal
6On models with headlamp wash, the
reservoir is in two sections, the upper section,
which can be removed from the engine
compartment, and the lower section, which
must be removed from under the wheel arch.
7Disconnect the wiring from the headlamp
wash non-return valve in the top of the
reservoir.
8Disconnect the washer fluid hoses from the
non-return valve. Be prepared for fluid spillage.
9Remove the screw securing the upper
section of the reservoir to the wing panel.
10Loosen the plastic collar securing the
upper section of the reservoir to the lower
section, then withdraw the upper section of
the reservoir from the engine compartment.
11To remove the lower section of the
reservoir, continue as follows.
12Apply the handbrake, then jack up the
front of the vehicle, and support on axle
stands (see “Jacking and Vehicle Support”)
positioned under the body side members.
13Remove the securing screws, and
withdraw the plastic cover from thebumper/front wing to expose the lower
section of the reservoir.
14Remove the horns, (Section 22).
15Remove the wheel arch liner, (Chapter 11).
16Disconnect the wiring and the fluid hoses
from the washer pump. Be prepared for fluid
spillage.
17Unscrew the bolts securing the
horn/reservoir support bracket and the
reservoir to the body, then withdraw the
bracket and the reservoir (see illustration).
Refitting
18Refitting is a reversal of removal.
42Washer pump -removal and
refitting
2
1Disconnect the battery negative lead.
Models without headlamp wash
Removal
2Disconnect the wiring and the fluid hose
from the pump. Be prepared for fluid spillage.
3Pull the pump from the reservoir, being
prepared for fluid spillage if the reservoir still
contains fluid.
4Examine the condition of the sealing
grommet, and renew if necessary, and clean the
gauze filter at the end of the pump pick-up tube.
Refitting
5Refitting is a reversal of removal.
Models with headlamp wash
6Apply the handbrake, then jack up the front
of the vehicle, and support on axle stands
positioned under the body side members.
7Remove the securing screws, and withdraw
the plastic cover from the bumper/front wing
to expose the lower section of the fluid
reservoir.
8Remove the wheel arch liner, (Chapter 11).
9Proceed as described in paragraphs 2 to 5
inclusive.
43Headlamp washer fluid
non-return valve -removal
and refitting
2
Removal
1The valve is located on a bracket attached
to the upper section of the washer fluid
reservoir (see illustration).
2Disconnect the battery negative lead.
3Disconnect the wiring and the fluid hoses
from the valve. Be prepared for fluid spillage.
4Remove the screw securing the valve
bracket to the reservoir, and withdraw the
valve.
Refitting
5Refitting is a reversal of removal.
44Electric window components
- removal and refitting
3
Note: Whenever any of the electric window
components are removed, after refitting the
components, the electric window controls
must be programmed, as described in
Section 45.
1Disconnect the battery negative lead.
Rear door-mounted switches
Removal
2Prise the plastic surround from the door
interior handle.
3Carefully prise the switch from its location,
and disconnect the wiring plug.
Refitting
4Refitting is a reversal of removal, but make
sure that the wiring is routed so that it does
not foul the electric window or lock operating
components.
Body electrical systems 12•15
43.1 Headlamp washer fluid non-return valve (arrowed)41.17 Horn/washer fluid reservoir support bracket securing bolt
(arrowed) - model with headlamp wash
12

6Remove the three securing screws, and
withdraw the speaker from the door.
Disconnect the wiring plug (see illustration).
Refitting
7Refitting is a reversal of removal, but note
that the speaker can only be fitted one way
up, so that the lug on the bottom of the
speaker rim engages with the corresponding
hole in the door skin.
Rear speaker -Hatchback
models
Removal
8Remove the upper rear quarter trim panel,
as described in Chapter 11.
9Remove the four securing screws, and
withdraw the speaker.
Refitting
10Refitting is a reversal of removal.
Rear speaker Saloon models
Removal
11Carefully prise the trim cover from the
parcel shelf, to expose the speaker.
12Remove the four securing screws,
withdraw the speaker and disconnect the
wiring.
Refitting
13Refitting is a reversal of removal.
50Radio/cassette player -
removal and refitting
2
Removal
1All the radio/cassette players fitted to the
Cavalier range have DIN standard fixings. Two
special tools, obtainable from in-car
entertainment specialists, are required for
removal.
2Disconnect the battery negative lead.
3Unscrew the four grub screws from the
corners of the radio cassette player, using an
Allen key or hexagon bit (see illustration).
4Insert the tools into the holes exposed by
removal of the grub screws, and push them
until they snap into place. Pull the tools
outwards to release the unit (see illustration).
5Pull the unit forwards, and withdraw it from
the facia.
Refitting
6To refit the radio/cassette player, simply
push the unit into the facia until the retaining
lugs snap into place, then refit the grub
screws.
51Sunroof motor - removal and
refitting
3
Removal
1Ensure that the sunroof is fully closed.
2Disconnect the battery negative lead.
3Prise the courtesy lamp from the roof trim
panel, and disconnect the wiring.
4Remove the two trim panel securing
screws, and withdraw the trim panel from the
roof, disconnecting the wiring from the
sunroof operating switch.
5Disconnect the wiring plugs from the motor.
6Unscrew the securing nut, and withdraw
the motor assembly.
Refitting
7Refitting is a reversal of removal.
52Speedometer cable - removal
and refitting
3
Removal
1Remove the instrument panel, as described
in Section 18.
2Pull the cable through the bulkhead into the
engine compartment, noting its routing.
3Working in the engine compartment,
unscrew the securing sleeve and disconnect
the speedometer cable from the top of the
transmission (see illustration).
4The cable can now be withdrawn from the
vehicle, noting its routing so that it can be
refitted in the same position.
Refitting
5Refitting is a reversal of removal, ensuring
that the cable is correctly routed. Make sure
that the cable is not kinked or twisted
between the instrument panel and the
bulkhead as the instrument panel is refitted.
Note that the cable should be routed to the
right of the steering column support bracket.
12•18Body electrical systems
49.6 Withdrawing a front door-mounted
speaker - wiring plug arrowed
50.4 . . . and withdraw the radio/cassette player using the special
tools52.3 Speedometer cable securing sleeve (arrowed) at
transmission - SOHC model
50.3 Unscrew the grub screws . . .

12•22Body electrical systems
Explanations of abbreviations used in wiring diagrams
ABSAnti-lock braking system
ACAir conditioning
AZVTrailer hitch
ATAutomatic transmission
ATCAutomatic temperature control
BRTrip (on-board) computer
CCCheck control system
CRCCruise control
DDiesel
DSTheft protection
DTTurbo Diesel
DWAAnti-theft warning system
DZMTachometer
EFCElectric folding roof (Convertible)
EKSPinch guard (electric windows)
EMPRadio
EUREuronorm (emission control standard)
engine
EZ + ElPlus ignition system (with self-
diagnosis)
EZVEcotronic
FHElectric windows
GBGreat Britain
HSHeated rear window
HWRear window wiper
HZGHeating
HRLLuggage compartment lampINSInstrument panel
IRLCourtesy lamps
KATCatalytic converter
KBSWiring harness
KVContact breaker distributor
L3.1Bosch Jetronic fuel injection system
LCDLiquid crystal display (LCD)
instruments
LHDLeft-hand drive
4WDFour-wheel-drive
LWRHeadlamp aim adjustment
M1.5Bosch Motronic M1.5 engine
management system
M2.5Bosch Motronic M2.5 engine
management system
MOTMotronic (general)
MTManual gearbox
MULMultec fuel injection system
NNorway
NSFront foglamps
NSLRear foglamps
OELOil level/pressure check system
OPTOptional equipment
PBSLPark and brake shift block
(automatic transmission, selector
lever in position ‘P’)P/NPark/neutral (automatic transmission)
POTPotentiometer
RCRear suspension level control
system
RFSReversing lamps
RHDRight-hand drive
SSweden
SDSunroof
SHHeated seats
SRAHeadlamp washers and wipers
TANKFuel level sender unit
TDTurbo Diesel
TEMPTemperature gauge
TFLDaytime driving lamps
TKSCourtesy lamp (door pillar) switches
TSZITransistorised ignition (inductive-
triggered) system
VGSCarburettor
WEGOdometer frequency/roadspeed
sensor
WHRRear suspension level control
system
WSWarning buzzer
ZVCentral locking
ZYLCylinder
Colour codes
BLBlue
HBLLight blue
BRBrown
GEYellow
GRGrey
GNGreenRTRed
WSWhite
SWBlack
LILilac
VIViolet
Wiring identification
Example: GEWS 1.5
GE -Wire basic colour
WS -Wire tracer colour
1.5 -Wire cross-section in mm
2
Note: Not all items shown are fitted to all models. Refer to Section 62 (Chapter 12) for details of diagram usage.

Wiring diagrams 12•23
12
Key to wiring diagrams for 1989 models
E1Sidelamp - left406
E2Tail lamp -left302, 380, 407
E3Number plate lamp413
E4Side lamp right409
E5Tail lamp right382, 410
E6Engine compartment lamp416
E7Headlamp main beam - left437
E8Headlampmain beam - right438
E9Headlampdipped beam - left384, 439
E10Headlamp dipped beam - right386, 440
E11Instrument illumination lamps328 to 329
E12Gear selector lever illumination lamp (automatics)799
E13Luggage compartment lamp485
E14Courtesy lamp487
E15Glovebox lamp599
E16Cigarette lighter illumination lamp598
E17Reversing lamp - left497
E18Reversing lamp - right498
E19Heated rearwindow572
E20Front foglamp -left448
E21Front foglamp - right447
E24Rear foglamp - left454
E25Seat heater -front left575
E30Seat heater - front right579
E32Clock illumination lamp552
E38Trip computer illumination lamp539
E39Rear foglamp - right455
E41Courtesy lamp (with delay)488 to 490
E50Kerb lamp - driver’s door635
E51Kerb lamp - passenger door653
F1 toFuse (in fusebox)Various
F30
F32Fuse - mixture preheating (not UK)232
F33Fuse - electronic carburettor (not UK)201
F34Fuse (in relay box, engine compartment)834
F35Voltage stabiliser302
F36Fuse - fuel filter heating (Diesel models)866
G1Battery101
G2Alternator110
G3Battery - Diesel models846
G6Alternator - Diesel models850 to 852
H2Horn591
H3Direction indicator warning lamp318, 320
H4Oil pressure warning lamp310
H5Brake fluid level warning lamp313
H6Hazard warning flasher warning lamp470
H7Alternator charge warning lamp310
H8Headlamp main beam warning lamp322
H9Brake lamp - left388
H10Brake lamp - right390H11Direction indicator lamp - front left472
H12Direction indicatorlamp - rear left473
H13Direction indicator lamp - front right481
H14Direction indicator lamp - rear right482
H16Glow plug warning lamp (Diesel models)323
H17Trailer direction indicator warning lamp321
H18Horns (twin)592, 593
H19Headlamps-on warning buzzer494, 495
H21Handbrake-on warning lamp315
H23Radio/cassette player585, 586
H25Door mirror heater warning lamp678
H26ABS warning lamp319
H30Engine fault warning lamp324
H33Direction indicator side repeater lamp - left476
H34Direction indicator side repeater lamp - right478
H42Automatic transmission warning lamp325
H45Four-wheel-drive warning lamp327
H46Catalytic converter temperature warning lamp (not UK)329
K1Relay-heated rear window571 to 572
K5Relay - front foglamps448 to 450
K6Relay - air conditioning (not UK)801 to 802
K7Relay - air conditioning blower (not UK)808 to 809
K8Relay - intermittent windscreen wipe503 to 506
K9Relay - headlamp wash522 to 523
K10Relay - direction indicator/hazard warning flashers467 to 469
K20HEI ignition control unit122 to 124
K25Relay - glow plugs (Diesel models)856 to 859
K30Relay - intermittent rear window wipe515 to 517
K35Relay - door mirror heater683 to 685
K37Central locking control unit606 to 612
K45Relay - mixture preheating (not UK)231 to 232
K47Relay - surge arrester (ABS)702 to 703
K50ABS control unit707 to 721
K51Relay - cooling fan830 to 831
K54Electronic carburettor control unit (not UK)203 to 226
K55Relay - electronic carburettor (not UK)203 to 206
K57Fuel injection control unit (not UK)139 to 161
K58Relay -fuel pump (not UK)162 to 163
K59Relay - daytime running lamps (not UK)420 to 426
K61Motronic M4.1 control unit170 to 194
K62Dim-dip control unit428 to 432
K63Relay - horn593 to 594
K64Relay - air conditioning blower (not UK)802 to 803
K67Relay -cooling fan827 to 828
K68Relay -fuel injection system294 to 299, 196 to 199
K69Motronic M2.5 control unit267 to 297
K71Ride control unit (not UK)739 to 754
K80Relay -fuel filter heater (Diesel models)865 to 866
K82Relay - engine revolution862 to 863
K83Four-wheel-drive control unit725 to 731 NoDescriptionTrackNoDescriptionTrack

12•38Wiring diagrams
Key to wiring diagrams for 1991 models
NoDescriptionTrackNoDescriptionTrack Wiring diagrams for 1991 models
Location of applicable circuitsTrackLocation of applicable circuitsTrack
Air conditioning system800 to 850
Alternator111
Anti-lock braking system (ABS)701 to 722
Anti-theft alarm system633 to 647
Automatic transmission control system773 to 799
Battery100
Brake lamps461 to 462
Carburettor118 to 121
Central locking system600 to 627
Check control system347 to 371
Cigarette lighter597 to 598
Clock661 to 663
Courtesy lamps - front487 to 494
Courtesy lamps - rear569 to 573
Direction indicator and hazard warning lamps467 to 482
Door mirrors536 to 548
Electric windows665 to 699
Engine compartment lamp415
Foglamps - front444 to 452
Foglamps - rear444 to 457
Fuel injection and ignition (Multec) - C16NZ engine129 to 164
Fuel injection and ignition (Multec) - C18NZ engine972 to 997
Fuel injection/ignition (Motronic M1.5) - 2.0litre sohc 168 to 199
Fuel injection/ignition (Motronic M2.5) - 2.0litre dohc 261 to 299
Glovebox lamp599Headlamp aim adjustment system758 to 766
Headlamp dim-dip427 to 431
Headlamp washers519 to 532
Headlamps437 to 442
Headlamps “ON” warning buzzer493 to 495
Heated front seats560 to 566
Heated rear window549 to 556
Heater blower motor853 to 862
Horn(s)592 to 596
Ignition (HEI) - 14NV engine121 to 128
Ignition (MSTS/EZ+) - 16SV, 18 SV engines236 to 256
Instruments301 to 344
Luggage compartment lamp485
Radiator cooling fan113, 115
Radio/cassette player586 to 591
Rear number plate lamp413
Reversing lamps496 to 498
Side and tail lamps401 to 410
Starter motor102 to 110
Sunroof863 to 870
Tailgate wiper510 to 516
Trip computer650 to 662
Windscreen and tailgate washers511 to 529
Windscreen wipers501 to 506
E1Side lamp - left406
E2Tail lamp - left356, 374, 407
E3Number plate lamp413
E4Side lamp - right409
E5Tail lamp - right358, 376, 410
E6Engine compartment lamp415
E7Headlamp main beam - left437
E8Headlamp main beam - right438
E9Headlamp dipped beam - left360, 378, 439
E10Headlamp dipped beam - right362, 380, 440
E11Instrument illumination lamps328 to 329
E12Selector lever illumination lamp (automatic transmission)799
E13Luggage compartment lamp485
E14Courtesy lamp487
E15Glovebox lamp599
E16Cigarette lighter illumination lamp596
E17Reversing lamp - left497
E18Reversing lamp - right498
E19Heated rear window552
E20Front foglamp - left448
E21Front foglamp - right447
E24Rear foglamp - left454
E25Driver’s seat heater580
E27Courtesy lamp - rear left569 to 570
E28Courtesy lamp - rear right572 to 573
E30Passenger front seat heater564
E32Clock illumination lamp663
E38Trip computer illumination lamp654
E39Rear foglamp - right455
E41Courtesy lamp (with delay)488 to 490
E50Kerb lamp - driver’s door666
E51Kerb lamp - passenger door684
F1 onFusesVarious
G1Battery101
G2Alternator111
G3Battery - (Diesel models)882, 901
G6Alternator - (Diesel models)884 to 886, 909 to 911H1Radio/cassette player589 to 590, 634
H2Horn592
H3Direction indicator warning lamp315 to 320
H4Oil pressure warning lamp310
H5Brake fluid level warning lamp313
H6Hazard warning flasher lamp470
H7Alternator charge warning lamp310
H8Headlamp main beam warning lamp322
H9Brake lamp - left364, 382, 461
H10Brake lamp - right366, 384, 462
H11Direction indicator lamp - front left472
H12Direction indicator lamp - rear left473
H13Direction indicator lamp - front right461
H14Direction indicator lamp - rear right482
H15Fuel level warning lamp305
H16Glow plug warning lamp (Diesel models)323
H17Trailer direction indicator warning lamp321
H18Horn593
H19Headlamps-on warning buzzer494 to 495
H21Handbrake-on warning lamp315
H25Door mirror warning lamp542, 952
H26ABS warning lamp319
H30Engine fault warning lamp324
H33Direction indicator side repeater lamp - left476
H34Direction indicator side repeater lamp - right478
H42Automatic transmission warning lamp325
H45Four-wheel-drive warning lamp327
H46Catalytic converter temperature warning lamp329
H47Anti-theft alarm horn638
H48Horn594
K3Relay - starter motor (anti-theft alarm)109 to 110
K5Relay - front foglamps448 to 450
K6Relay - air conditioning801 to 802
K7Relay - air conditioning blower804 to 805
K8Relay - intermittent windscreen wipe503 to 506
K9Relay - headlamp wash519 to 520
K10Relay - direction indicator/hazard warning flashers467 to 469

Wiring diagrams 12•39
12
Key to wiring diagrams for 1991 models (continued)
NoDescriptionTrackNoDescriptionTrack
K20Ignition amplifier module122 to 124, 236 to 237, 975 to 976
K25Relay - glow plugs (Diesel models)889 to 892
K30Relay - intermittent rear window wipe513 to 515
K35Relay - door mirror heater550 to 552
K37Central locking control unit606 to 612
K47Relay - surge arrester (ABS)702 to 703, 735 to 736
K50ABS control unit707 to 721, 740 to 754
K51Relay - cooling fan829 to 830, 842 to 843, 837 to 838
K57Multec electronic control unit (ECU)139 to 161
K58Relay - fuel pump163 to 164, 996 to 997
K59Relay - daytime running lamps420 to 426
K62Dim-dip control unit427 to 431
K63Relay - horn594 to 595
K64Relay - air conditioning blower802 to 803
K67Relay - cooling fan825 to 826, 849 to 850
K68Relay - fuel injection system196 to 199
K69Motronic M2.5 module267 to 297
K73Relay - headlamp main beam relay (Calibra only)432 to 433
K76Glow plug control unit (Turbo diesel models)916 to 921
K77Relay - glow plugs (Turbo diesel models)923 to 924
K78Relay - preresistor (Turbo diesel models)926 to 927
K79Alternator charge warning lamp relay911 to 913
K80Relay - fuel filter heater (Diesel models)898 to 899, 931 to 932
K82Relay - engine revolution895 to 896
K83Four-wheel-drive control unit725 to 731
K84MSTS ignition module242 to 256
K85Automatic transmission control unit774 to 797
K86Check control unit347 to 368
K87Relay - auxiliary cooling fan832 to 833, 839 to 840, 940 to 941
K88Catalytic converter temp. control unit758 to 760, 966 to 968
K89Relay - rear foglamps444 to 447
K90Relay - air conditioning compressor820 to 821
K91Motronic M1.5 module170 to 194
K94Anti-theft alarm control unit633 to 647
K97Relay - headlamp washer pump time delay530 to 532
K101Relay - electric mirror parking position961 to 964
K102Parking brake control unit (automatic transmission)769 to 771
K103Relay - cooling fan845 to 847
K107Multec electronic control unit (ECU)978 to 996
L1Ignition coil121 to 122, 133 to 134, 173, 174,
237 to 238, 974 to 975
M1Starter motor105 to 106
M2Windscreen wiper motor501 to 504
M3Heater blower motor854 to 856
M4Radiator cooling fan motor113, 115, 829, 847, 935
M6Headlamp wiper motor - left522 to 524
M7Headlamp wiper motor - right526 to 528
M8Rear window wiper motor511 to 513
M10Air conditioning blower motor805 to 808
M11Cooling fan motor840, 941
M12Starter motor (Diesel models)887 to 888, 905 to 906
M13Sunroof motor assembly865 to 869
M13.1Sunroof motor866 to 868
M13.2Sunroof travel microswitch866
M13.3Sunroof travel microswitch868
M18Central locking motor - driver’s door607 to 610
M19Central locking motor - left rear door621 to 623
M20Central locking motor - right rear door625 to 627
M21Fuel pump164, 197, 229, 997
M24Headlamp washer pump532
M26Electric aerial motor588 to 589
M30Door mirror motor and heater - driver’s door538 to 541
M31Door mirror motor and heater - passenger door544 to 547
M32Central locking motor - passenger door613 to 616
M33Idle speed adjuster/idle air control stepper motor146 to 149,
185 to 186, 277 to 278, 985 to 988M39Headlamp aim adjuster motor - driver’s side759 to 762
M40Headlamp aim adjuster motor - passenger side763 to 766
M41Central locking motor - fuel filler623 to 624
M47Electric window motor - front left667 to 671
M48Electric window motor - front right685 to 689
M49Electric window motor - rear left673 to 677
M50Electric window motor - rear right691 to 695
M55Windscreen and rear window washer pump516
M60Central locking motor (Calibra models)627 to 628
M61Sunroof assembly (Calibra models)872 to 880
M61.1Sunroof motor (Calibra models)873 to 876
M61.2Relay 1 - sunroof motor (Calibra models)872 to 873
M61.3Relay 2 - sunroof motor (Calibra models)878 to 880
M62Door mirror motor - driver’s door947 to 953
M63Door mirror motor - passenger door956 to 962
P1Fuel gauge304
P2Coolant temperature gauge306
P3Clock662
P4Fuel level sender unit304
P5Coolant temperature gauge sender306
P7Tachometer308
P8Oil pressure gauge341
P9Voltmeter339
P10Oil pressure sensor341
P11Airflow meter (Motronic M1.5)185 to 189
P12Coolant temperature sensor182, 272
P13Trip computer outside air temperature sensor655 to 656
P14Distance sensor336 to 337, 915 to 916
P17ABS wheel sensor - front left707, 740
P18ABS wheel sensor - front right710, 742
P19ABS wheel sensor - rear left712, 744
P20ABS wheel sensor - rear right713, 746
P21Speedometer frequency sensor332
P23Pressure sensor152 to 154, 984 to 986
P24Automatic transmission fluid temperature sensor252, 795
P25Bulb failure sensor373 to 386
P27Brake pad wear sensor - front left351, 396
P28Brake pad wear sensor - front right351, 396
P30Coolant temperature sensor150, 982
P32Oxygen sensor - heated194 to 195, 291 to 292
P33Oxygen sensor157, 991
P34Throttle position sensor/potentiometer158 to 160, 180 to 181,
777 to 778, 987 to 989
P35Crankshaft speed/position sensor189 to 191,
281 to 282, 982 to 984
P39Trailer bulb failure sensor368 to 370, 387 to 389
P43Electronic speedometer336
P44Air mass meter (Motronic M2.5)294 to 298
P45Automatic transmission input speed sensor791 to 792
P46Knock sensor284 to 285
P47Distributor “Hall-effect” sensor (Motronic M2.5)287 to 288
P48Automatic transmission output speed sensor789 to 790
P50Catalytic converter temperature sensor759 to 760, 977 to 978
P53Anti-theft alarm sensor - driver’s side639 to 642
P54Anti-theft alarm sensor - passenger side644 to 647
P55Coolant temperature sensor (Turbo diesel models)919
R2Carburettor preheating121
R3Cigarette lighter597
R5Glow plugs (Diesel models)891 to 892, 922 to 924
R12Automatic choke118
R13Heated windscreen washer nozzle - left526
R14Heated windscreen washer nozzle - right528
R15Mixture adjustment potentiometer155 to 157
R19Cooling fan motor resistor115, 832, 935
R22Glow plugs resistor (Turbo diesel models)927
S1Ignition switch105 to 106, 885 to 886, 905 to 906

Wiring diagrams 12•55
12
Key to wiring diagrams for 1992 and later models
NoDescriptionTrackNoDescriptionTrack
E1Left parking lamp506
E2Left tail lamp507, 745
E3Licence plate lamp513
E4Right parking lamp509
E5Right tail lamp510, 746
E6Engine compartment lamp515
E7Left high beam 535
E8Right high beam536
E9Left low beam537, 747
E10Right low beam538, 748
E11Instrument lights728, 729
E12Selector lever lamp 498, 499
E13Boot lamp585
E14Passenger compartment lamp587
E15Glove box lamp677
E16Cigarette lighter lamp676
E17Left reversing lamp597
E18Right reversing lamp598
E19Heated back window652
E20Left fog lamp553
E21Right fog lamp554
E24Left rear fog lamp548
E25Left front heating mat660
E27Left rear reading lamp680, 681
E28Right rear reading lamp683, 684
E30Right front heating mat664
E32Clock lamp863
E37Left mirror make-up lamp686
E38Computer lamp854
E39Right rear foglamp549
E40Right mirror make-up lamp688
E41Passenger compartment delay lamp 588 to 590
E50Driver door lamp866
E51Passenger door lamp884
F1 onFusesVarious
F35Voltage stabilizer702
G1Battery101
G2Alternator114
G6Diesel alternator 402 to 405
H1Radio784 to 798
H3Turn signal lamp telltale716, 718
H4Oil pressure telltale710
H5Brake fluid telltale712
H6Telltale hazard warning system570
H7Charging indicator lamp710
H8High beam telltale722
H9Left stop lamp561, 749
H10Right stop lamp562, 750
H11Left front turn signal lamp572
H12Left rear turn signal lamp573
H13Right front turn signal lamp581
H14Right rear turn signal lamp582
H15Fuel telltale705, 706
H16Preheating time telltale715
H17Trailer turn signal lamp telltale717
H18Horn670
H19Headlamps on warning buzzer594, 595
H21Parking brake telltale713
H23Airbag telltale719
H25Heated back window & mirror telltale642, 765
H26ABS telltale721
H27Safety checking warning buzzer996 to 998
H28Seat belt warning telltale723
H30Engine telltale724H33Left auxiliary turn signal lamp576
H34Right auxiliary turn signal lamp578
H36Additional stop lamp563
H37Left front loudspeaker788 to 790
H38Right front loudspeaker794 to 796
H39Left rear loudspeaker788, 789
H40Right rear loudspeaker791, 792
H42Automatic program power telltale725
H45Four wheel drive telltale727
H46Catalytic converter temperature telltale729
H47Anti-theft warning unit horn838
H48Horn671
H51Traction control telltale720
H52Left front tweeter787 to 791
H53Right front tweeter793 to 797
K3Starter relay anti-theft warning unit109, 110
K5Fog lamps relay554 to 555
K6Air conditioning relay901, 902
K7Four stage air conditioning blower relay904, 905
K8Windshield wiper interval relay603 to 606
K9Headlamps washer unit relay619, 620
K10Flasher unit567 to 569
K20Ignition coil module149, 150, 171, 172, 241, 242, 302 to 305,
361 to 364, 1001 to 1005, 1055 to 1061
K22Coolant pump relay133, 134, 969, 970
K25Glow time relay440 to 443
K26Radiator blower relays972 to 974
K27Radiator blower relay137 to 139
K30Back window wiper interval relay613 to 615
K31Airbag control unit1191 to 1198
K34Radiator blower time delay relay356 to 358, 956 to 958
K35Heated back window & mirror time delay relay650 to 652
K37Central locking control unit805 to 812
K51Radiator blower relay430, 431, 942, 943, 956, 957
K52Radiator blower relay145 to 147, 433,435,
982 to 984, 960 to 962
K57Multec unit control211 to 230, 244 to 262
K58Fuel pump relay231, 232, 262, 263
K59Running light relay520 to 525
K60Compressor relay931,932
K61Motronic control unit270 to 294, 307 to 337,
366 to 396, 1007 to 1037, 1063 to 1096
K63Horn relay671, 672
K641 stage air conditioning blower relay913, 914
K67Radiator blower relay142, 143, 436, 437, 948,
949, 964, 965, 986, 987
K68Fuel injection unit relay295 to 299, 393 to 397,
334 to 338, 1093 to 1097, 1034 to 1038
K73High beam relay (Calibra)530, 531
K76Glow time control unit413 to 417
K77Glow plugs relay419, 420
K78Preresistor relay (70A)422, 423
K79Charge indicator relay406 to 408
K80Filter heating relay426, 427, 452, 453
K82Engine revolution relay447, 448
K83Four wheel drive unit control342 to 349
K84EZ Plus control unit155 to 166, 177 to 191
K85Automatic transmission control unit473 to 496
K86Check control unit736 to 752
K87Radiator blower relay945, 946, 953, 954, 977, 978
K88Catalytic converter temperature control unit462 to 464
K89Rear fog lamp relay543 to 545
K90Compressor relay (automatic transmission only)930, 931
K94Anti-theft warning unit control unit833 to 847