Electrical diagram for models from 1988 (Opel Ascona C)

(Original source is on the website: opelbook.ru)

Key to Figure 13.7

№	Description	Coordinate on the diagram
E1	Left parking light	329
E2	Left rear light	330
EZ	Number plate illumination	336
E4	Right parking light	334
E5	Right rear light	335
E6	Engine compartment lighting	337
E7	Left headlight - high beam	359
E8	Right headlight - high beam	360
E9	Left headlight - low beam	362
E10	Right headlight - low beam	363
E11	Instrument lighting	338
E12	Selector lever illumination	341
E13	Trunk light	405
E14	Interior lighting	406
E15	Illumination of the glove compartment ("Glove box")	319
E16	Cigarette lighter illumination	324
E17	Left reversing light	320
E18	Right reversing light	321
E19	Rear window heating	307
E20	Left fog light	370
E21	Right fog light	371
E22	Left auxiliary headlight	377
E23	Right auxiliary headlight	378
E24	Left rear fog light	367
E25	Left front seat heating	470
E26	Light switch illumination	334
E30	Heated right front seat	474
E31	Symbol panel backlight	337
E32	Clock backlight	414
EZZ	Ashtray illumination	325
E34	Heater control backlight	337
E38	Computer backlight	508
E39	Right rear fog light	366
E41	Interior lighting (with a delay)	409, 410
F1 to F18	Fuses in the box
F19	Fuse (window lift motors)	536
F20	Fuse (central locking)	559
F24	Fuse (level control)	466
F25	Voltage stabilizer	310
F31	Fuse (eZV carburetor)	238
F32	Fuse (heating the mixture)	264
G1	Battery	101
G2	Generator	110, 111, 205
G3	Battery (Diesel)	201
H1	Radio	417
H2	Sound signal	459
H3	Direction indicator	394
H4	Oil pressure indicator	317
H5	Handbrake/Brake Fluid Indicator	316
H6	Hazard warning system indicator	390
H7	No charge indicator	111
H8	High beam indicator	361
H9	Left brake light	385
H10	Right brake light	386
H11	Left front turn signal	392
H12	Left rear turn signal	393
H13	Right front turn signal	396
H14	Right rear turn signal	397
H16	Preheating indicator	209
H17	Trailer Direction Indicator	388
H18	Double beep	460
H19	Sound indicator of headlights on	403, 404
H20	Throttle on indicator	122
H23	Receiver with electric antenna	423, 424
H25	Outside mirror heating indicator	483, 493
H26	ABS system indicator	589
H30	Engine indicator	148, 176
NZZ	Left turn signal indicator	391
H34	Right duplicate direction indicator	395
H44	EZV indicator	255
K1	Rear window heating relay	306, 307
K2	Flashing light system	389
K4	Auxiliary headlight relay	378, 379
K5	Fog light relay	371, 372
K8	Windshield Wiper Interrupter Relay	432 to 435
K9	Headlight Washer Relay	439, 440
K10	Trailer Flasher Device	388, 389
K15	Fuel injection timing control device	284 to 291
K19	Level control relay	465, 466
K20	Ignition module	216 to 218
K21	Level control sensor	462 to 465
K25	Preheating relay	209 to 212
K29	Electric Antenna Relay	419 to 423
K30	Rear Window Wiper Relay	454 to 456
K35	Delay relay for heating of external glass	497U 499
K36	Computer relay	513 to 515
K37	Central lock relay	558 to 562
K45	Mixture heating relay	263, 264
K47	Overvoltage protection relay	570, 571
K50	ABS Timing Control	574, 588
K53	Timing control (EV 61)v 273 to 282
K54	Carburetor ZV (EZV)	240 to 260
K55	Carburetor Relay (EZV)	238, 239
K57	Testing Instrument (TBI)	143 to 161
K58	Fuel Pump Relay (TBI)	163, 164
K59	Daytime running light relay	344 to 350
K61	Control device (Motronic)	171 to 195
K62	Control device (low/high beam)	353 to 357
K68	Fuel Injector Relay	196 to 199, 295 to 299
K73	Ignition module (EZ 61)	270, 271
K74	Control device (MZV)	225 to 234
L2	Ignition coil (hall sensor)	215, 216
L3	Ignition coil (Inductance sensor)	126,127, 137,138, 172, 173, 227, 228, 258, 259
L4	Ignition coil (inductance sensor, EZ61)	271, 272
M1	Starter motor	106,107, 300, 302
M2	Windshield wiper motor	430 to 433
M4	Radiator Fan Motor	114
M5	Washer pump	429
M6	Left Front Headlight Washer Motor	442 to 445
M7	Right Front Headlight Washer Motor	447 to 449
M8	Rear window wiper motor	452 to 454
M9	Rear window washer pump	457
M12	Starter Motor (Diesel)	207, 208
M14	Left front door window lift motor	539, 541
M15	Right front door window lift motor	543, 545
M16	Left rear door window lift motor	547, 549
M17	Right rear door window lift motor	551, 553
M19	Rear left door lock motor	561, 564
M20	Right rear door lock motor	561, 564
M21	Fuel pump	197, 164, 325
M22	Level control compressor	466
M26	Electric Antenna Motor	419 to 421
MZ0	Adjusting and heating the left outside mirror	478 to 481, 487 to 490
M31	Adjusting and heating the right outside mirror	494 to 497
M32	Front door lock motor	561, 564
MZZ	Idle speed control device	183,184,149 to 152
M37	Rear Door/Trunk Lid Lock Motor	561, 564
R1	Fuel level sensor	311
R2	Temperature sensor	312
RZ	Watch	415
R4	Fuel level sensor	311
R5	Temperature sensor	312
R7	Tachometer	314
R11	Air flow meter	185 to 189
R12	Coolant temperature sensor	178, 289
R13	Outside air temperature sensor	512, 513
R14	Distance sensor	142,143,170,171, 504, 505
R15	Fuel flow meter	506, 507
R17	Left Front Wheel Sensor (ABS)	574, 575
R18	Right Front Wheel Sensor (ABS)	576, 577
R19	Left rear wheel sensor (ABS)	578, 579
R20	Right rear wheel sensor (ABS)	580, 581
R23	Vacuum sensor at the pipeline inlet	155 to 157, 225 to 227
R24	Coolant temperature sensor (EV 61)	277, 278, 231, 232
R29	Temperature sensor at the entrance	247
R30	Coolant temperature sensor	153, 248
R31	Main valve potentiometer	248, 250
R32	Lambda heating sensor	193, 194
RZZ	Lambda sensor	157
R34	Throttle Position Sensor	158 to 160
R35	Crankshaft inductance sensor	189 to 191, 274 to 276, 257 to 259
H18	Double beep	460
H19	Sound indicator of headlights on	403, 404
H20	Throttle on indicator	122
H23	Receiver with electric antenna	423, 424
H25	Outside mirror heating indicator	483, 493
H26	ABS system indicator	589
H30	Engine indicator	148, 176
NZZ	Left turn signal indicator	391
H34	Right duplicate direction indicator	395
H44	EZV indicator	255
K1	Rear window heating relay	306, 307
K2	Flashing light system	389
K4	Auxiliary headlight relay	378, 379
K5	Fog light relay	371, 372
K8	Windshield Wiper Interrupter Relay	432 to 435
K9	Headlight Washer Relay	439, 440
K10	Trailer Flasher Device	388, 389
K15	Fuel injection timing control device	284 to 291
K19	Level control relay	465, 466
K20	Ignition module	216 to 218
K21	Level control sensor	462 to 465
K25	Preheating relay	209 to 212
K29	Electric Antenna Relay	419 to 423
IZ0	Rear Window Wiper Relay	454 to 456
K35	Delay relay for heating of external glass	497U 499
K36	Computer relay	513 to 515
K37	Central lock relay	558 to 562
K45	Mixture heating relay	263, 264
K47	Overvoltage protection relay	570, 571
K50	ABS Timing Control	574, 588
K53	Timing control (EV 61)	273 to 282
K54	Carburetor ZV (EZV)	240 to 260
K55	Carburetor Relay (EZV)	238, 239
K57	Testing Instrument (TBI)	143 to 161
K58	Fuel Pump Relay (TBI)	163, 164
K59	Daytime running light relay	344 to 350
K61	Control device (Motronic)	171 to 195
K62	Control device (low/high beam)	353 to 357
K68	Fuel Injector Relay	196 to 199, 295 to 299
K73	Ignition module (EZ 61)	270, 271
K74	Control device (MZV)	225 to 234
L2	Ignition coil (hall sensor)	215, 216
L3	Ignition coil (Inductance sensor)	126,127, 137,138, 172, 173, 227, 228, 258, 259
L4	Ignition coil (inductance sensor, EZ61)	271, 272
M1	Starter motor	106,107, 300, 302
M2	Windshield wiper motor	430 to 433
M4	Radiator Fan Motor	114
M5	Washer pump	429
M6	Left Front Headlight Washer Motor	442 to 445
M7	Right Front Headlight Washer Motor	447 to 449
M8	Rear window wiper motor	452 to 454
M9	Rear window washer pump	457
M12	Starter Motor (Diesel)	207, 208
M14	Left front door window lift motor	539, 541
M15	Right front door window lift motor	543, 545
M16	Left rear door window lift motor	547, 549
M17	Right rear door window lift motor	551, 553
M19	Rear left door lock motor	561, 564
M20	Right rear door lock motor	561, 564
M21	Fuel pump	197, 164, 325
M22	Level control compressor	466
M26	Electric Antenna Motor	419 to 421
MZ0	Adjusting and heating the left outside mirror	478 to 481, 487 to 490
M31	Adjusting and heating the right outside mirror	494 to 497
M32	Front door lock motor	561, 564
MZZ	Idle speed control device	183,184,149 to 152
M37	Rear Door/Trunk Lid Lock Motor	561, 564
R1	Fuel level sensor	311
R2	Temperature sensor	312
RZ	Watch	415
R4	Fuel level sensor	311
R5	Temperature sensor	312
R7	Tachometer	314
R11	Air flow meter	185 to 189
R12	Coolant temperature sensor	178, 289
R13	Outside air temperature sensor	512, 513
R14	Distance sensor	142,143,170,171, 504, 505
R15	Fuel flow meter	506, 507
R17	Left Front Wheel Sensor (ABS)	574, 575
R18	Right Front Wheel Sensor (ABS)	576, 577
R19	Left rear wheel sensor (ABS)	578, 579
R20	Right rear wheel sensor (ABS)	580, 581
R23	Vacuum sensor at the pipeline inlet	155 to 157, 225 to 227
R24	Coolant temperature sensor (EV 61)	277, 278, 231, 232
R29	Temperature sensor at the entrance	247
RZ0	Coolant temperature sensor	153, 248
R31	Main valve potentiometer	248, 250
R32	Lambda heating sensor	193, 194
RZZ	Lambda sensor	157
R34	Throttle Position Sensor	158 to 160
R35	Crankshaft inductance sensor	189 to 191, 274 to 276, 257 to 259
Y7	Fuel injectors	186 to 193, 279 to 286
Y9	Level control solenoid	464
Y10	Distributor	220
Y11	Hall sensor	216 to 218
Y14	Inductance sensor (EV 61)	133 to 137, 225 to 227
Y15	Inductance sensor	125, 126
Y17	Idle Speed Interrupt Solenoid Valve	117
Y23	Distributor	129
Y24	Distributor	140, 230
Y25	Acceleration solenoid valve	121
Y26	Throttle valve position indicator	238 to 244
Y27	Pre-flap valve	252, 253
Y32	Injection valve (TBI)	144
Y33	Distributor	174, 260, 274
Y34	Fuel tank ventilation valve	195, 196

Not all devices are installed on all models.

To decipher the color codes, please refer to the Key to Figure 13.6.