Volkswagen Beetle A4 (1997-2005) (beside steering column) Wiring diagrams

BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/WHT/GRN WIRE BLK/YEL WIRE BRAKELIGHT SWITCH (ABOVE BRAKE PEDAL) BRN WIRE COMFORT SYSTEM CENTRAL CONTROL MODULE (LEFT OF STEERING COLUMN) CONTROL MODULE EMERGENCY FLASHER SWITCH FUSE 3 FUSE 23 FUSE 39 FUSE 2 FUSE 4 FUSE 22 FUSE 13 FUSE PANEL (BEHIND LEFT SIDE OF DASH) GRN WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/YEL WIRE HEAD HEAD OFF OFF PARK PARK HEADLIGHTS SYSTEM (FOGLIGHT RELAY) HIGH MOUNT BRAKE LIGHT HOT AT ALL TIMES HOT IN ON INSTRUMENT CLUSTER LEFT FRONT TURN SIGNAL, SIDE MARKER LIGHT LEFT MIRROR TURN SIGNAL LIGHT LEFT RIGHT LEFT RIGHT TURN IND TURN IND LICENSE PLATE LIGHTS LIGHT SWITCH LOAD REDUCTION RELAY OFF PARK RED WIRE RED/BLK WIRE RED/BRN WIRE RED/GRN WIRE RIGHT FRONT TURN SIGNAL/ SIDE MARKER LIGHT RIGHT MIRROR TURN SIGNAL LIGHT RIGHT REAR TURN SIGNAL LIGHT LEFT REAR TURN SIGNAL LIGHT SOLID STATE TURN SIGNAL SWITCH WHT WIRE

AIRBAG SPIRAL SPRING/ RETURN SPRING W/ SLIP RING ALARM HORN DATA LINK CONNECTOR (DLC) ANTI-SLIP CONTROL SWITCH ASHTRAY LIGHT ASR/ ESP SWITCH AUTOMATIC DAY/NIGHT INTERIOR MIRROR BRAKE BOOSTER CONTROL MODULE BRAKE PAD WEAR SENSOR BRN WIRE BRN/RED WIRE CIGARETTE LIGHTER COMFORT SYSTEM CENTRAL CONTROL MODULE DRIVER'S HEATED SEAT CONTROL MODULE DAYTIME RUNNING LIGHT CHANGEOVER RELAY DRIVER'S BACKREST HEATING ELEMENT DRIVER'S HEATED SEAT TEMPERATURE SENSOR DRIVER'S SEAT HEATING ELEMENT EMERGENCY FLASHER SWITCH FRONT INTERIOR LIGHT FUEL PUMP RELAY LOAD REDUCTION RELAY FUEL TANK LID UNLOCK MOTOR GLOVE COMPARTMENT SWITCH FUEL PUMP GND 42 HEADLIGHT SWITCH HORN SWITCH INSTRUMENT CLUSTER INSTRUMENT PANEL LIGHT DIMMER SWITCH LEFT FRONT SEAT BELT SWITCH LEFT MAKE-UP MIRROR LIGHT SWITCH LEFT WASHER NOZZLE HEATER NCA WIRE PARKING BRAKE WARNING LIGHT SWITCH PASSENGER'S BACKREST HEATING ELEMENT PASSENGER'S HEATED SEAT CONTROL MODULE PASSENGER'S HEATED SEAT TEMPERATURE SENSOR PASSENGER'S SEAT HEATING ELEMENT RAIN SENSOR REAR WINDOW DEFOGGER SWITCH RED WIRE RIGHT MAKE-UP MIRROR LIGHT SWITCH RIGHT WASHER NOZZLE HEATER SOCKET SOCKET (LUGGAGE COMPARTMENT) STARTER LOCK RELAY (CLUTCH PEDAL SWITCH) (M/T) STEERING ANGLE SENSOR SHIFT LOCK SOLENOID THIRTEEN POSITION AUXILIARY RELAY PANEL TIPTRONIC SWITCH WINDSHIELD WIPER INTERMITTENT REGULATOR WINDSHIELD WIPER/ WASHER SWITCH WIPER/ WASHER INTERMITTENT RELAY

279 (OR 238) AIRBAG SPIRAL SPRING/ RETURN SPRING W/ SLIP RING ALARM HORN DATA LINK CONNECTOR (DLC) ANTI-SLIP CONTROL SWITCH ASHTRAY LIGHT ASR/ ESP SWITCH AUTOMATIC DAY/NIGHT INTERIOR MIRROR BRN WIRE BRN/RED WIRE BRN/WHT WIRE CIGARETTE LIGHTER COMFORT SYSTEM CENTRAL CONTROL MODULE DAYTIME RUNNING LIGHT CHANGEOVER RELAY DIGITAL CLOCK DRIVER'S BACKREST HEATING ELEMENT DRIVER'S HEATED SEAT CONTROL MODULE DRIVER'S HEATED SEAT TEMPERATURE SENSOR FRONT INTERIOR LIGHT FUEL PUMP (GASOLINE) GLOVE COMPARTMENT SWITCH FUEL PUMP RELAY (GASOLINE) LOAD REDUCTION RELAY FUEL TANK LID UNLOCK MOTOR GND 42 HEATED MIRROR RELAY HORN SWITCH INSTRUMENT CLUSTER INSTRUMENT PANEL LIGHT DIMMER SWITCH LEFT FRONT BRAKE PAD WEAR SENSOR LEFT FRONT SEAT BELT SWITCH LEFT MAKE-UP MIRROR LIGHT SWITCH LEFT REAR READING LIGHT LEFT WASHER NOZZLE HEATER LIGHT SWITCH NCA WIRE PARKING BRAKE WARNING LIGHT SWITCH PASSENGER'S BACKREST HEATING ELEMENT PASSENGER'S HEATED SEAT CONTROL MODULE PASSENGER'S HEATED SEAT TEMPERATURE SENSOR POWER SUNROOF CONTROL MODULE RAIN SENSOR REAR SPOILER SWITCH REAR WINDOW DEFOGGER SWITCH RED WIRE RIGHT MAKE-UP MIRROR LIGHT SWITCH RIGHT REAR READING LIGHT RIGHT WASHER NOZZLE HEATER SELECTOR LEVER POSITION SCALE (A/T) SOCKET SOCKET (LUGGAGE COMPARTMENT) STARTER LOCK RELAY (CLUTCH PEDAL SWITCH) (M/T) STEERING ANGLE SENSOR THIRTEEN POSITION AUXILIARY RELAY PANEL WINDSHIELD WIPER INTERMITTENT REGULATOR WIPER/ WASHER INTERMITTENT RELAY

BLK WIRE BLU WIRE BRN WIRE CONTROL MODULE DAYTIME RUNNING LIGHTS CHANGE- OVER RELAY DIMMER SWITCH FOG LIGHT RELAY FOG LIGHT SWITCH FUSE 19 FUSE 20 FUSE 21 FUSE 5 FUSE PANEL (BEHIND LEFT SIDE OF DASH) FUSE PANEL (BEHIND LEFT SIDE OF DASH) FUSE 18 FUSE PANEL (BEHIND LEFT SIDE OF DASH) FUSE 3 FUSE PANEL (BEHIND LEFT SIDE OF DASH) FUSE 36 GRN WIRE GRY WIRE GRY/WHT WIRE HEAD HEAD OFF PARK HEADLIGHT SWITCH HEADLIGHT DIMMER/ FLASHER SWITCH FLASH TO PASS HOT AT ALL TIMES HOT IN ON OR START IGNITION SWITCH INSTRUMENT CLUSTER INSTRUMENT CLUSTER HIGH BEAM IND LEFT FRONT FOG LIGHT LEFT HEAD- LIGHT ASSEMBLY HIGH LOW LIGHT SWITCH LOCK LOW HIGH OFF PARK ON OFF OFF PARKING BRAKE IND. PARKING BRAKE WARNING LIGHT SWITCH (AT BOTTOM OF PARKING BRAKE LEVER) REAR FOG LIGHT RED WIRE RIGHT FRONT FOG LIGHT RIGHT HEAD- LIGHT ASSEMBLY HIGH LOW WHT WIRE YEL WIRE YEL/GRN WIRE

AIR BAG SPIRAL SPRING/RETURN SPRING W/ SLIP RING BLK WIRE BLU WIRE BRN WIRE DUAL HORN RELAY FUSE 40 FUSE PANEL (BEHIND LEFT SIDE OF DASH) HORN HORN SWITCH HOT AT ALL TIMES IGNITION SWITCH LOAD REDUCTION RELAY NCA WIRE OFF RED WIRE THIRTEEN POSITION AUXILIARY RELAY PANEL (BEHIND LEFT SIDE OF DASH) YEL WIRE

ABS SYSTEM, SUPPLEMENT RESTRAINTS SYSTEM AIRBAG CONTROL MODULE (ON CENTER FLOOR TUNNEL, BELOW HEATER CORE HOUSING) BLK WIRE BLK/VIO WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/YEL WIRE ELECTRONIC POWER CONTROL FAULT LIGHT FUEL CONSUM SIG FUEL PUMP FUSE 32 FUSE 34 FUSE 43 FUSE 28 FUSE PANEL GRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE GRY/BRN WIRE GRY/RED WIRE GRY/WHT WIRE INSTRUMENT CLUSTER KNOCK SENSOR 1 (ON LEFT FRONT OF CYLINDER BLOCK) KNOCK SENSOR 2 (ON LEFT REAR OF CYLINDER BLOCK) LEAK DETECTION PUMP (IN RIGHT REAR WHEELWELL, ABOVE EVAP CANISTER) MALFUNCTION INDICATOR LAMP NCA WIRE ORG/BLK WIRE ORG/BRN WIRE RED WIRE RED/BLK WIRE RED/VIO WIRE SECONDARY AIR INJECTION PUMP MOTOR (LEFT REAR OF CYLINDER HEAD) TRANSMISSIONS SYSTEM VIO/RED WIRE VIO/WHT WIRE WHT WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRN WIRE

A/C SYSTEM A/T ACCELERATOR PEDAL POSITION SENSOR (IN PEDAL ASSEMBLY) BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/GRN WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE BOOSTER CONTROL MODULE BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COOLING FANS SYSTEM CRUISE CONTROL SYSTEM FUEL PUMP RELAY FUSE 163 FUSE 164 FUSE BRACKET (ON BATTERY COVER) FUSE PANEL (BEHIND LEFT SIDE OF DASH) FUSE 29 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/RED WIRE GRY/WHT WIRE HEATED OXYGEN SENSOR (BLACK) HEATED OXYGEN SENSOR (BROWN) HOT AT ALL TIMES IGNITION SWITCH LEAK DETECTION PUMP (IN RIGHT REAR WHEELWELL, ABOVE EVAP CANISTER) LOCK MASS AIRFLOW (MAF) SENSOR, INTAKE AIR TEMPERATURE (IAT) SENSOR MOTRONIC ENGINE CONTROL MODULE (BELOW LEFT SIDE OF DASH PANEL COVER) NCA WIRE POWER SUPPLY RELAY RED WIRE RED/BLK WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE RELAY PANEL (BEHIND LEFT SIDE OF DASH) RUN WIRE STARTING/ CHARGING SYSTEM VIO WIRE VIO/GRN WIRE VIO/RED WIRE VIO/WHT WIRE WHT WIRE WHT/GRN WIRE WHT/RED WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRN WIRE

AIRBAG CONTROL MODULE (ON CENTER FLOOR TUNNEL, BELOW HEATER CORE HOUSING) BLK WIRE BLK/BLU WIRE BLK/VIO WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE FUEL PUMP FUSE 32 FUSE 34 FUSE 43 FUSE 28 FUSE PANEL GRN/BLK WIRE GRN/BLU WIRE GRN/VIO WIRE GRY WIRE GRY/BRN WIRE GRY/WHT WIRE INSTRUMENT CLUSTER KNOCK SENSOR 1 (ON LEFT SIDE OF ENGINE, TOWARDS FRONT OF CYL BLOCK) KNOCK SENSOR 2 (ON LEFT SIDE OF ENGINE, BEHIND IGN COIL) NCA WIRE ORG/BLK WIRE ORG/BRN WIRE RED WIRE RED/BLK WIRE RED/VIO WIRE RED/WHT WIRE SECONDARY AIR INJECTION PUMP MOTOR (LEFT OF REAR CYLINDER HEAD) TRANSMISSIONS SYSTEM VIO/RED WIRE VIO/WHT WIRE WHT WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

A/C SYSTEM ACCELERATOR PEDAL POSITION SENSOR (IN PEDAL ASSEMBLY) BLK WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COOLING FANS SYSTEM CRUISE CONTROL SYSTEM FUEL PUMP RELAY FUSE 163 FUSE 162 FUSE BRACKET (ON BATTERY COVER) FUSE PANEL (BEHIND LEFT SIDE OF DASH) FUSE 29 GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/RED WIRE GRY/WHT WIRE HEATED OXYGEN SENSOR (BLACK) HEATED OXYGEN SENSOR (BROWN) HOT AT ALL TIMES IGNITION SWITCH LEAK DETECTION PUMP (IN RIGHT REAR WHEELWELL, ABOVE EVAP CANISTER) LOCK MASS AIRFLOW (MAF) SENSOR, INTAKE AIR TEMPERATURE (IAT) SENSOR MOTRONIC ENGINE CONTROL MODULE (BELOW LEFT SIDE OF DASH PANEL COVER) NCA WIRE POWER SUPPLY RELAY RED WIRE RED/BLK WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE RELAY PANEL (BEHIND LEFT SIDE OF DASH) RUN WIRE STARTING/ CHARGING SYSTEM VIO WIRE VIO/GRN WIRE VIO/RED WIRE VIO/WHT WIRE WHT WIRE WHT/RED WIRE WHT/YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRN WIRE

AIRBAG CONTROL MODULE (ON CENTER FLOOR TUNNEL, BELOW HEATER CORE HOUSING) BLK WIRE BLK/VIO WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE BRN/YEL WIRE FUEL PUMP FUSE 32 FUSE 34 FUSE 43 FUSE 28 FUSE PANEL GRN WIRE GRN/BLU WIRE GRN/VIO WIRE GRY WIRE GRY/BRN WIRE GRY/WHT WIRE INSTRUMENT CLUSTER KNOCK SENSOR 1 (ON LEFT SIDE OF ENGINE, TOWARDS FRONT OF CYL BLOCK) KNOCK SENSOR 2 (ON LEFT SIDE OF ENGINE, BEHIND IGN COIL) NCA WIRE ORG/BLK WIRE ORG/BRN WIRE RED WIRE RED/BLK WIRE RED/VIO WIRE SECONDARY AIR INJECTION PUMP MOTOR (LEFT OF REAR CYLINDER HEAD) TRANSMISSIONS SYSTEM VIO/RED WIRE VIO/WHT WIRE WHT WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE