BMW 3 series E36 (1990-2000) ignition switch Wiring diagrams

4-CYL 4-CYL 6-CYL 4-CYL ONLY 6- CYL 6-CYL 4-CYL : W/O PARK VENTILATION : W/PARK VENTILATION AIR CONDITIONING COMPRESSOR AUTOMATIC CLIMATE CONTROL MODULE (BEHIND CENTER CONSOLE) AUXILIARY FAN MOTOR (4-CYL) AUXILIARY FAN MOTOR (6-CYL) AUXILIARY FUSE BOX (LEFT SIDE OF DASH BEHIND INSTRUMENT CLUSTER) BLK WIRE BLK/ BLU WIRE BLK/ WHT/ YEL WIRE BLK/BLU WIRE BLK/BRN (OR BLK/GRY) WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/RED/YEL WIRE BLK/WHT WIRE BLK/WHT/YEL WIRE BLOWER MOTOR (REAR OF ENGINE COMPARTMENT) BLOWER RELAY (IN POWER DISTRIBUTION BOX) BLU WIRE BLU/BLK WIRE BLU/RED WIRE BRN WIRE BRN/ORG WIRE BRN/YEL WIRE COMPRESSOR CONTROL RELAY (IN POWER DIST BOX) DATA LINK CONNECTOR (RIGHT REAR SIDE OF ENGINE COMPARTMENT) DEFOGGER, POWER ANTENNA SYSTEMS DEFROSTER FLAP MOTOR DOUBLE TEMPERATURE SWITCH TEMPERATURE SWITCH (4 CYL) (6 CYL) ENGINE CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) FINAL STAGE UNIT (BEHIND LEFT SIDE OF DASH) FRESH AIR FLAP MOTOR (BELOW LEFT SIDE OF DASH, RIGHT OF IKHA PLENUM) FRONT POWER DISTRIBUTION BOX (LEFT REAR SIDE OF ENGINE COMPARTMENT) FUSE 16 FUSE 20 FUSE 23 FUSE 31 FUSE 39 FUSE 41 FUSE 48 GRN BRN/ WIRE GRN WIRE GRN/ BLU WIRE GRN/ YEL WIRE GRN/BLU WIRE GRN/BRN (OR RED/GRN) WIRE GRN/BRN WIRE GRN/RED WIRE GRN/VIO WIRE GRN/YEL WIRE GRY WIRE GRY/RED WIRE GRY/VIO WIRE HOT AT ALL TIMES HOT IN RUN, START IGNITION SWITCH INSTRUMENT CLUSTER LEFT HEAT EXCHANGER TEMP SENSOR (CENTER CONSOLE) LEFT VALVE NCA WIRE NORMAL SPEED RELAY (IN POWER DIST BOX) OFF ORG/ WIRE PARK VENTILATION CIRCUIT PRESSURE SWITCH RECIRCULATION FLAP MOTOR RED WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE REGULATION FLAP MOTOR REAR RECIRCULATION FLAP MOTOR RIGHT HEAT EXCHANGER TEMP SENSOR (CENTER CONSOLE) RIGHT VALVE RUN WIRE STARTING/ CHARGING SYSTEM TRANSMISIION CONTROLS SYSTEM VEH SPEED VIO/ WHT WIRE VIO/GRY WIRE WATER VALVE ASSEMBLY (LEFT REAR SIDE OF ENGINE COMPT) WHT WIRE WHT/ VIO WIRE WHT/VIO WIRE YEL BLU/ WIRE YEL RED/ WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/RED WIRE YEL/VIO WIRE

B+ JUMP BATTERY BLU WIRE BRN WIRE CHARGE IND DATA LINK CONNECTOR (REAR RIGHT SIDE OF ENGINE COMPT) GENERATOR GRN WIRE HOT AT ALL TIMES IGNITION SWITCH INSTRUMENT CLUSTER JUNCTION POINT LOCK RED WIRE RUN WIRE STARTER TELEPHONE CONNECTOR (CENTER CONSOLE)

A/T ANTI-THEFT CONTROL MODULE (ALPINE) (BEHIND GLOVE BOX) AUTOMATIC TRANSMISSION RANGE SWITCH (A/T) STARTER IMMOBILIZATION SWITCH (M/T) BLK WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BLU/RED/YEL WIRE BODY ELECTRONICS CONTROL MODULE (ZKE IV) (BEHIND GLOVE BOX) BRN WIRE BRN/BLK WIRE BRN/ORG WIRE DATA LINK CONNECTOR ELECTRONIC IMMOBILIZER CONTROL MODULE ENGINE CONTROL MODULE (DME) FRONT POWER DISTRIBUTION BOX (LEFT REAR CORNER OF ENGINE COMPT) FUSE GRN (OR WIRE GRN WIRE GRN/BLK WIRE GRN/GRY WIRE HOT AT ALL TIMES HOT IN ACCY, RUN AND START HOT IN RUN ALL START IGNITION SWITCH LOCK M/T NCA WIRE ON-BOARD COMPUTER (CENTER CONSOLE) RED/GRN WIRE RUN WIRE STARTING SYSTEM TRANSMISSIONS SYSTEM (A/T ONLY) TRANSMITTER MODULE (EWS II) (LEFT SIDE OF DASH, AT STEERING COLUMN) VIO/YEL WIRE WHT/VIO WIRE

323, ABS CONTROL MODULE/ HYDRAULIC UNIT (W/ ABS) ANTI- THEFT HORN AUXILIARY FAN MOTOR BRAKE FLUID LEVEL SWITCH BRAKE LIGHT SWITCH BRN WIRE CENTRAL POWER WINDOW SWITCH CHILD PROTECTION CONTROL (AT CONSOLE) CHIME MODULE CONVERTIBLE TOP CONTROL MODULE DIMMER DRIVER'S POWER WINDOW SWITCH ENGINE COOLANT LEVEL SWITCH FRONT FOG LIGHT RELAY HAZARD FLASHER RELAY BLOWER RELAY HEADLIGHT/ FOG LIGHT WASHER PUMP HORN SWITCH IGNITION SWITCH INSTRUMENT CLUSTER INSTRUMENT CLUSTER (323, 328, INTER- MEDIATE PRESSURE SWITCH LEFT FOG LIGHT LEFT FRONT AUXILIARY TURN LIGHT HIGH BEAM LIGHT RELAY LEFT FRONT SPEED SENSOR LEFT FRONT TURN LIGHT LEFT HEADLAMP LEFT HIGH BEAM LIGHT LEFT HORN LEFT LOW BEAM LIGHT LEFT PARK LIGHT LEFT REAR POWER WINDOW SWITCH (4 DOOR) (AT DOOR) LEFT REAR POWER WINDOW SWITCH (AT CONSOLE) LEFT WASHER JET HEATER LIGHT SWITCH ELECTRONIC IMMOBILIZER CONTROL MODULE LOW BEAM LIGHT RELAY OBD II CONNECTOR PASSENGER'S POWER WINDOW SWITCH RIGHT FOG LIGHT RIGHT FRONT AUXILIARY TURN LIGHT RIGHT FRONT SPEED SENSOR RIGHT FRONT TURN LIGHT RIGHT HEADLAMP RIGHT HIGH BEAM LIGHT RIGHT HORN RIGHT LOW BEAM LIGHT RIGHT PARK LIGHT RIGHT REAR POWER WINDOW SWITCH (AT CONSOLE) RIGHT WASHER JET HEATER SLIP CONTROL MODULE (W/ ASC) STARTER IMMOBILIZER SWITCH SUPPLEMENTAL RESTRAINTS SYSTEM CONTROL MODULE TEMPERATURE SWITCH UNLOADER RELAY W/ ASC WASHER FLUID LEVEL SWITCH WIPER MOTOR WIPER/ WASHER MODULE (LOW II) WIPER/ WASHER SWITCH GEAR SHIFT LEVER INDICATOR

BRN WIRE BRN/RED WIRE FRONT POWER DISTRIBUTION BOX (LEFT REAR CORNER OF ENGINE COMPT) GRY/YEL WIRE HORN RELAY (IN FRONT POWER DISTRIBUTION BOX) HORN SWITCH HOT AT ALL TIMES IGNITION SWITCH LEFT HORN OFF POWER DISTRIBUTION RED WIRE RIGHT HORN RUN WIRE VIO WIRE VIO/BLU WIRE

ABS IND. ANTI-LOCK BRAKES SYSTEM ASC+T IND BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/BRN/YEL WIRE BLU/GRN WIRE BLU/VIO/WHT WIRE BLU/VIO/YEL WIRE BRAKE FLUID IND BRAKE FLUID LEVEL SWITCH (TOP OF BRAKE FLUID RESERVOIR) BRAKE WARNING IND BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY/YEL WIRE BRN/ORG WIRE BRN/RED WIRE BRN/VIO WIRE BRN/YEL WIRE CHARGE IND CHECK ENGINE IND CONN A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 CONN B 1 2 3 4 5 6 7 8 9 10 11 12 CONN C DRIVER'S SEAT BELT SWITCH ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE SENSOR (RIGHT FRONT SIDE OF ENGINE COMPT) FRONT FOG LT IND FRONT POWER DISTRIBUTION BOX (REAR LEFT SIDE OF ENGINE COMPT) FUEL CONSUMPTION METER FUEL GAUGE FUSE GRN WIRE GRN/BLU WIRE GRN/RED WIRE GRN/VIO WIRE GROUND GRY WIRE GRY/BLK/YEL WIRE GRY/BRN WIRE GRY/RED WIRE HAZARD IND HEADLIGHTS SYSTEM HIGH BEAM IND HOT AT ALL TIMES HOT IN ACC RUN AND START HOT IN RUN AND START IGNITION SWITCH ILLUM (3 USED) INSTRUMENT CLUSTER KEY-IN SWITCH (PART OF IGNITION SWITCH) LEFT TURN IND LOCK NCA WIRE OIL IND ORG/ WIRE PARK BRAKE IND POWER TOPS RED/YEL WIRE RIGHT TURN IND RUN WIRE SEAT BELT IND SOLID STATE SPEEDOMETER SRS IND STARTING/ CHARGING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM TACHOMETER TEMP GAUGE TRANSMISSION MALFUNCTION IND VIO WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/BRN WIRE

AUTOMATIC CLIMATE CONTROL MODULE (BEHIND CENTER CONSOLE) BLK/WHT/YEL WIRE BLOWER MOTOR (REAR OF ENGINE COMPARTMENT) BLOWER RELAY (IN POWER DISTRIBUTION BOX) BLU/RED WIRE BLU/VIO WIRE BRN WIRE BRN/YEL WIRE FINAL STAGE UNIT (BEHIND LEFT SIDE OF DASH) FRONT POWER DISTRIBUTION BOX (LEFT REAR SIDE OF ENGINE COMPARTMENT) FUSE 20 GRN WIRE GRN/BRN WIRE GRN/YEL WIRE HOT AT ALL TIMES IGNITION SWITCH NCA WIRE OFF ON-BOARD COMPUTER (CENTER CONSOLE) PARK VENTILATION RELAY (BELOW LEFT SIDE OF DASH) RED/GRN WIRE RUN WIRE UNCOUPLING DIODE (IN POWER DISTRIBUTION BOX) VENT YEL WIRE

49 56 (2.8L) (1.9L) ANTI- THEFT CONTROL MODULE BLK/VIO/YEL WIRE BLK/YEL WIRE BODY ELECTRONICS CONTROL MODULE (ZKE IV) BRAKE LIGHT SWITCH CENTER CONSOLE TELEPHONE CONNECTOR CONVERTIBLE TOP CONTROL MODULE TOP HIFI SWITCH CRUISE CONTROL SWITCH CRUISE CONTROL MODULE DATALINK CONNECTOR ELECTRONIC IMMOBLIZER CONTROL MODULE (EWS II) ENGINE CONTROL MODULE (DME) FROM FRONT POWER DISTRIBUTION BOX (DIAGRAM 2 OF 5) FRONT POWER DISTRIBUTION BOX (LEFT REAR CORNER OF ENGINE COMPARTMENT) FUSE GLOVE BOX LIGHT GRN WIRE GRN/WHT WIRE HORN RELAY IGNITION SWITCH INSTRUMENT CLUSTER LEFT FRONT SEAT BELT SWITCH LEFT MAKEUP MIRROR LIGHT LUGGAGE COMPARTMENT TELEPHONE CONNECTOR NCA WIRE NOT USED OFF ON-BOARD COMPUTER MODULE CHECK CONTROL MODULE RADIO RED WIRE RIGHT FRONT SEAT BELT SWITCH RIGHT MAKEUP MIRROR LIGHT RIGHT REAR INTERIOR LEFT REAR INTERIOR RIGHT SIDE IMPACT SENSOR LEFT SIDE IMPACT SENSOR SEAT OCCUPANCY DETECTOR ROLLOVER SENSOR RUN WIRE SPATIAL SOUND RELAY FRONT DOME/ MAP LIGHT ASSEMBLY SUPPLEMENTAL RESTRAINT SYSTEM CONTROL MODULE TRANSMITTER MODULE STARTER IMMOBILIZATION SWITCH UNCOUPLING DIODE BLOWER RELAY UNLOADER RELAY VIO WIRE VIO/BLK WIRE VIO/GRN WIRE VIO/WHT WIRE VIO/YEL WIRE WASHER PUMP WIPER/ WASHER MODULE

318 W/ ASC 323, 318 W/ ASC ALL W/ ABS W/ ASC 323, ALL W/ ABS W/ ASC ABS PUMP MOTOR RELAY ABS PUMP MOTOR RELAY SLIP CONTROL MODULE ABS CONTROL MODULE/ HYDRAULIC UNIT ABS RELAY SLIP CONTROL MODULE ABS CONTROL MODULE/ HYDRAULIC UNIT AUTOMATIC CLIMATE CONTROL MODULE BODY ELECTRONICS CONTROL MODULE (ZKE IV) BRN WIRE CENTER CONSOLE TELEPHONE CONNECTOR CENTRAL LCOKING SWITCH CHARGING SOCKET CONVERTIBLE TOP CONTROL MODULE CONVERTIBLE TOP STORAGE LID LOCK MOTOR CRASH CONTROL MODULE HAZARD FLASHER RELAY ELECTRONIC IMMOBILIZER CONTROL MODULE CHIME MODULE FROM FRONT POWER DISTRIBUTION BOX (DIAGRAM 2 OF 5) FRONT CIGAR LIGHTER FRONT DOME/MAP LIGHT ASSEMBLY CD CHANGER TRUNK LIGHT FRONT POWER DISTRIBUTION BOX (LEFT REAR CORNER OF ENGINE COMPARTMENT) FRONT POWER DISTRIBUTION BOX (LEFT REAR CORNER OF ENGINE COMPARTMENT) FROM FUSE FUSE (DIAGRAM 5 OF 5) HORN RELAY IGNITION SWITCH INSTRUMENT CLUSTER MULTI- FUNCTION CLOCK LEFT FRONT DOOR LOCK MOTOR LEFT FRONT DOOR LOCK SWITCH LIGHT SWITCH LUGGAGE COMPARTMENT TELEPHONE CONNECTOR OBD II CONNECTOR ON-BOARD COMPUTER MODULE RADIO HIFI AMPLIFIER RED WIRE RED/BLK/WHT WIRE RED/BLK/YEL WIRE RED/BLU WIRE RED/BLU/YEL WIRE RED/GRN WIRE RED/GRN/YEL WIRE RED/GRY/YEL WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR LOCK MOTOR RIGHT FRONT DOOR LOCK SWITCH TRUNK LID MICRO SWITCH TRUNK LID RELAY TRUNK LOCK MOTOR W/ HIFI, TEN SPEAKER SYSTEM WATER VALVE ASSSEMBLY WIPER/ WASHER MODULE

A/C COMP CUT A/C SYSTEM ACTIVATE VALVE ACTIVATE VALVE ACTIVATE VALVE ACTIVATE VALVE ACTIVATE VALVE ANTI-THEFT SYSTEM BATTERY VOLT IGN GROUND IGN SWITCH ACTIVATE FAN ACTIVATE VALVE BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLK/VIO WIRE BLU WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CYL 1 CYL 1 IGN COIL CYL 2 IGN COIL CYL 2 CYL 3 CYL 3 CYL 2 CYL 1 CYL 3-4 KS CYL 4 DRIVE AWAY SIG ACTIVATE A/C ENG INDICATOR ENGINE CONTROL MODULE (DME) (RIGHT REAR CORNER OF ENGINE COMPT) ENGINE CONTROL MODULE RELAY EVAPORATIVE EMISSION VALVE (LEFT SIDE OF ENGINE COMPT) FUEL CONSUMPT FUEL INJECTION VALVES FUEL PUMP RELAY GRN WIRE GRN/RED WIRE GRN/VIO WIRE GROUND GRY WIRE GRY/BLU WIRE GRY/VIO WIRE GRY/WHT WIRE HOT AT ALL TIMES IDLE SPEED CONTROL VALVE (LEFT REAR OF ENGINE COMPT) IGNITION COILS (RIGHT SIDE OF ENGINE COMPT) IGNITION SWITCH INJ GROUND INTAKE AIR RESONANCE CHANGEOVER VALVE (LEFT REAR OF ENGINE COMPT) INTK AIR TEMP SIGNAL INPUT NCA WIRE NORMAL SPEED RELAY OFF OXYGEN SENSOR (IN FRONT OF CATALYTIC CONVERTER) OXYGEN SENSOR BEHIND CATALYTIC CONVERTER POWER DISTRIBUTION RED WIRE RED/WHT WIRE RUN WIRE SPLICE THROTTLE POS GROUND SENSOR GRND UNLOADER RELAY TERMINAL 15 (UNDER LEFT SIDE OF DASH) WHT WIRE YEL WIRE