Electrical diagram for 1986 models (Opel Ascona C)

Key to Figure 12.90

№	Description	Coordinate on the diagram
E1	Left parking light	236
E2	Left rear light	237
EZ	Number plate illumination	243
E4	Right parking light	241
E5	Right rear light	242
E6	Engine bay lighting	245
E7	High beam left headlight	251
E8	High beam right headlight	252
E9	Low beam left headlight	254
E10	Low beam right headlight	255
E11	Instrument illumination	246
E12	Selector lever illumination	248
E13	Trunk light	293
E14	Interior lighting	294
E15	Illumination of the glove compartment ("glove box")	225
E16	Cigarette lighter illumination	230
E17	Left reversing light	226
E18	Right reversing light	227
E19	Rear window heating	210
E20	Left fog light	262
E21	Right fog light	263
E22	Left auxiliary headlight	269
E23	Right auxiliary headlight	270
E24	Rear fog light (on some models on the left)	259
E25	Left front seat heating	370
E30	Heated right front seat	374
E31	Symbol panel backlight	245
E32	Clock backlight	301
EZZ	Ashtray illumination	231
E34	Heater control backlight	245
E38	Computer backlight	408
E39	Right rear fog light	258
E41	Interior lighting (with a delay)	297, 298
F1 to F8	Fuses in the box	Various
F19	Fuse (window lift motors)	435
F20	Fuse (central locking system)	362
F22	Fuse (preheating)	136
F24	Fuse (level control)	351
F25	Voltage stabilizer	213
G1	Battery	101
G2	Generator	109, 110
H1	Radio	304
H2	Sound signal	344
H3	Direction indicator	286
H4	Oil pressure indicator	222
H5	Handbrake/Brake Fluid Level Indicator	221
H6	Hazard warning light indicator	283
H7	No charge indicator	110
H8	High beam indicator	253
H9	Left brake light	227
H10	Right brake light	278
H11	Left front turn signal	284
H12	Left rear turn signal	285
H13	Right front turn signal	288
H14	Right rear turn signal	289
H16	Preheating indicator	170
H17	Trailer Direction Indicator	280
H18	Double beep	345
H19	Sound signal for headlights on	291, 292
H20	Throttle on indicator	224
H23	Receiver with electric antenna	310, 311
H25	Outside mirror heating indicator	383, 393
NZZ	Left turn signal indicator	283
H34	Right duplicate direction indicator	287
K1	Rear window heating relay	209, 210
K2	Flashing light device	281
K4	Auxiliary headlight relay	270, 271
K5	Fog light relay	263, 264
K8	Windshield Wiper Interrupter Relay	317 to 320
K9	Headlight Washer Relay	324, 325
K10	Trailer Flasher Device	280, 281
K15	Fuel injection timing control	181 to 191, 475 to 487
K19	Level control relay	350, 351
K20	Ignition module	112 to 116
K21	Level control sensor	347 to 350
K25	Preheating relay	170 to 173
K29	Electric Antenna Relay	306 to 310
K30	Rear Window Wiper Relay	339 to 341
K31	Fuel pump relay	177 to 179,471 to 473
K35	Delay relay for heating the outside mirror	397, 399
K36	Computer relay	413 to 415
K37	Central lock relay	361 to 365
K39	Time delay relay	160, 162
K42	Stop/Start Control Device	419 to 427
K43	Stop/Start Relay	427, 428
K45	Preheating relay	136, 137
K46	Ignition Timing Control	144,149, 460 to 467
K52	Ignition module	141,142, 457, 458
K58	Fuel Pump Relay (TBI)
K59	Daytime running light relay	354 to 359
L2	Ignition coil (hall sensor)	113,114,142, 143, 458
L3	Ignition coil (inductance sensor)	122, 123, 423
M1	Starter motor	106, 107
M2	Windshield wiper motor	315 to 318
M3	Heater Fan Motor	203 to 205
M4	Radiator Fan Motor	202
M5	Washer pump	314
M6	Left Front Headlight Washer Motor	327 to 330
M7	Right Front Headlight Washer Motor	332 to 334
M7	Rear window wiper motor	337 to 339
M9	Rear window washer pump	342
M12	Starter Motor (Diesel)	168, 169
M14	Left front door window lift motor	438, 440
M15	Right front door window lift motor	442, 444
M16	Left rear door window lift motor	446, 448
M17	Right rear door window lift motor	450, 452
M19	Left rear door lock motor	364, 367
M20	Right rear door lock motor	364, 367
M21	Fuel pump	177, 471
M22	Level control compressor	351
M26	Electric Antenna Motor	306 to 308
M30	Adjusting and heating the outside left mirror	378 to 381, 387 to 390
M31	Adjusting and heating the right outside mirror	394 to 397
M32	Front door lock motor	364, 367
M33	Idle speed control device
M37	Trunk/Tailgate Lock Motor	364, 367
R1	Fuel level sensor	214
R2	Temperature sensor	215
R3	Watch	302
R4	Fuel level sensor	214
R5	Temperature sensor	215
R7	Tachometer	217
R11	Air flow meter	197, 494
R12	Coolant temperature sensor	197, 494
R13	Outside air temperature sensor	412, 413
R14	Distance sensor	155,156,404, 405
R15	Fuel flow sensor	406, 407
R32	Lambda heating sensor	494
R2	Preheating the carburetor	129
R3	Cigarette lighter	229
R5	Plugs	172, 173
R7	Preheating	136
R11	Subdued instrument lighting	245
R12	Automatic throttle	131, 132
S1	Starter motor switch	106 to 108
S2.1	Light switch	241 to 243, 429 to 430
S2.2	Interior light switch	294
S3	Heater Fan Switch	203 to 206
S4	Rear window defroster switch	208, 209
S5.2	Low beam switch	253, 254, 431
S5.3	Turn signal switch	287, 288
S7	Reverse light switch	227
S8	Brake light switch	278
S9.2	Windshield wiper switch	314 to 318
S9.3	Rear Window Wiper Switch	340, 341
S10.1	Automatic transmission switch	107
S11	Brake fluid level switch	220
S13	Handbrake indicator switch	221
S14	Oil pressure switch	222
S15	Trunk light switch	293
S16	Right side interior light switch	295
S17	Left side interior light switch	296
S18	Glove compartment light switch	225
S21	Fog light switch	265 to 267
S22	Rear fog light switch	259, 260
S23	Trunk lid release switch	232
S29	Radiator Fan Switch	202
S30	Left seat heating switch	369, 370
S31	Left rear door light switch	297
S32	Right rear door light switch	298
S37	Left front door window lift motor switch	438 to 441
S38	Rear window isolator switch	437
S39	Rear left door window lift motor switch	446, 448
S40	Rear right door window switch	450, 452
S41	Central door lock switch	361, 362
S44	Throttle valve switch	197, 494
S46	Seat heating switch	373, 374
S47	Door open indicator/headlights on switch	291, 292
S50	Throttle On Indicator Switch	224
S52	Hazard warning switch	281 to 285
S60	Clutch pedal switch	158
S64	Horn switch	344
S66	Vacuum circuit breaker	158
S68	Outside mirror switch
S68.1	Outside mirror adjustment switch	377 to 380, 385 to 389
S68.2	Outside Mirror Heating Switch	383, 392
S68.3	Right/left outside mirror switch	386 to 390
S73	Temperature switch	137
S74	Engine temperature switch	150
S75	Oil temperature switch	150
S77	Distance switch	152 to 155
S78	Right front door window lift motor switch	442 to 445
S79	Left rear door window lift motor remote control switch	446 to 449
S80	Right rear door window lift motor remote control switch	450 to 453
S85	Clutch pedal switch stop/start	419
S86	Stop/Start Switch	418, 419
U3	Computer	405 to 414
U3.1	Clock switch	412
U3.2	Selector function switch	412
U3.3	Clock setting switch	412
X1	Trailer sockets	238, 240, 274, 275, 276, 286, 290
X2	Auxiliary connector	224, 232, 248, 304 362, 370, 375, 435
Y3	Trunk Lid Release Solenoid	232
Y4	Headlamp Washer Solenoid Valve	325
Y5	Diesel Solenoid Valve	174
Y6	Auxiliary air valve	197, 494
Y7	Fuel injectors	197, 494
Y9	Level control solenoid	349
Y10	Distributor	118
Y11	Hall sensor	114 to 116, 460 to 462
Y15	Inductance sensor	121 to 122, 429
Y17	Idle Speed Interrupt Solenoid Valve	130
Y18	Solenoid valve	158,162
Y22	Distributor	148, 464
Y23	Distributor	125,432

Not all devices are installed on all models

To decipher the color codes, refer to the Key to Figure 12.87