Wiring Diagrams for Volkswagen Beetle A4 (1997-2005)

Active bodyworks circuit

1.8l turbo, manual a/c circuit

1.9l turbo diesel, manual a/c circuit

2.0l, manual a/c circuit, convertible 2.0l, manual a/c circuit, except convertible

Anti-lock brakes circuit

Anti-theft circuit, convertible Anti-theft circuit, except convertible

Data link connector circuit, convertible Data link connector circuit, except convertible High/low bus circuit, convertible High/low bus circuit, except convertible

1.8l turbo, cooling fan circuit

1.9l turbo diesel, cooling fan circuit

2.0l, cooling fan circuit, convertible 2.0l, cooling fan circuit, except convertible

1.8l turbo, cruise control circuit

1.9l turbo diesel, cruise control circuit

2.0l, cruise control circuit, convertible 2.0l, cruise control circuit, except convertible

Heated mirrors circuit Rear defogger circuit

Wiring diagram engine performance 1.8l turbo

Wiring diagram engine performance 1.9l turbo diesel

Wiring diagram engine performance 2.0l, convertible Wiring diagram engine performance 2.0l, except convertible

Back-up lamps circuit, a/t convertible Back-up lamps circuit, a/t except convertible Back-up lamps circuit, m/t Exterior lamps circuit

Ground distribution circuit, convertible Ground distribution circuit, except convertible

Headlights circuit

Horn circuit

Digital clock circuit Gauges and indicators circuit, convertible Gauges and indicators circuit, except convertible

Courtesy lamps circuit, convertible Courtesy lamps circuit, except convertible Instrument illumination circuit, convertible Instrument illumination circuit, except convertible

Power distribution circuit

Power door locks circuit, convertible Power door locks circuit, except convertible

Automatic day/night mirror circuit Power mirrors circuit

Heated seats circuit

Convertible top circuit Sunroof circuit

Power windows circuit, convertible Power windows circuit, except convertible

Base radio circuit, base radio Premium sound radio circuit, convertible Premium sound radio circuit, except convertible

Shift interlock circuit

Charging circuit Starting circuit, 4 speed a/t Starting circuit, 6 speed a/t Starting circuit, m/t

Supplemental restraints circuit

1.8l turbo, a/t circuit

1.9l turbo diesel, a/t circuit

2.0l, a/t circuit, 4 speed a/t 2.0l, a/t circuit, 6 speed a/t

Deck lid release circuit Fuel door release circuit, convertible Fuel door release circuit, except convertible

Buzzer circuit

ANTI-THEFT IMMOBILIZER INDUCTION COIL BLOCKING DIODE GENERATOR WARNING GENERATOR WARNING LIGHT IGNITION COIL LEFT WASHER NOZZLE HEATER LOCK ON PROTECTION DIODE PROTECTION DIODE 2 RIGHT WASHER NOZZLE HEATER

CONVERTIBLE TOP RIGHT LOCKING MOTOR DRIVER'S DOOR CENTRAL LOCKING ACTUATOR ENGINE COOLANT LEVEL/TEMP WARNING ENGINE GLOW PLUGS FRESH- RECIRCULATING AIR DOOR SERVO MOTOR FUEL TANK LID UNLOCK MOTOR LEFT REAR POWER WINDOW MOTOR LEFT TOP LOCK MOTOR PASSENGER'S DOOR CENTRAL LOCKING ACTUATOR REAR LID CENTRAL LOCKING SYSTEM MOTOR RIGHT REAR POWER WINDOW MOTOR RIGHT TOP LOCK MOTOR SECONDARY AIR INJECTION PUMP MOTOR SUNROOF MOTOR WINDOW MOTOR WINDSHIELD WIPER MOTOR WITH WINDOW MOTOR)

CENTRAL LOCKING, ANTI-THEFT WARNING SYSTEM ANTENNA

LEFT REAR WINDOW REGULATOR MOTOR POWER MIRROR SWITCH DRIVER'S DOOR WINDOW REGULATOR CENTRAL SWITCH REAR WINDOW REGULATOR SAFETY SWITCH RIGHT REAR WINDOW REGULATOR MOTOR SUNROOF REGULATOR WINDSHIELD WIPER INTERMITTENT REGULATOR

DATA LINK CONNECTOR

ABS CONTROL MODULE AIR BAG CONTROL MODULE ANTI-THEFT IMMOBILIZER CONTROL MODULE BRAKE BOOSTER CONTROL MODULE COMFORT SYSTEM CENTRAL CONTROL MODULE COMFORT SYSTEM CENTRAL CONTROL MODULE DRIVER'S HEATED SEAT CONTROL MODULE CONTROL MODULE CONTROL MODULE W/ INDICATOR UNIT CONTROL MODULE WITH INDICATOR UNIT CONVERTIBLE TOP CONTROL MODULE COOLANT FAN CONTROL MODULE DRIVER'S HEATED SEAT CONTROL MODULE DRIVER'S SIDE DOOR CONTROL MODULE GLOW PLUG TRIGGERING CONTROL MODULE PASSENGER'S HEATED SEAT CONTROL MODULE PASSENGER'S HEATED SEAT CONTROL MODULE DRIVER'S HEATED SEAT CONTROL MODULE PASSENGER'S SIDE DOOR CONTROL MODULE POWER MIRROR SWITCH REAR SPOILER CONTROL MODULE POWER SUNROOF CONTROL MODULE REAR SPOILER CONTROL MODULE TRANSMISSION CONTROL MODULE TRANSMISSION CONTROL MODULE INSTRUMENT CLUSTER

CD CHANGER UNIT DRIVER'S DOOR POWER WINDOW SWITCH DRIVER'S SIDE CENTRAL LOCKING UNIT DRIVER'S SIDE CENTRAL LOCKING UNIT DRIVER'S SIDE CENTRAL LOCKING UNIT CLOSE PASSENGER'S SIDE CENTRAL LOCKING UNIT

ALARM SYSTEM ANTI- THEFT ENGINE DISABLE FUSE CENTRAL LOCKING/ ANTI- THEFT WARNING SYSTEM FUSE CENTRAL LOCKING/ ANTI-THEFT WARNING SYSTEM FUSE FUSE 144 CONVERTIBLE TOP FUSE FUSE 1 FUSE 2 FUSE 3 FUSE 23 FUSE 4 FUSE 22 FUSE 13 FUSE 5 FUSE 6 FUSE 7 FUSE 9 FUSE 10 FUSE 11 FUSE 12 FUSE 13 FUSE 13 FUSE 15 FUSE 14 FUSE 15 FUSE 16 FUSE 19 FUSE 20 FUSE 21 FUSE 22 FUSE 23 FUSE 24 FUSE 25 FUSE 26 FUSE 29 FUSE 30 FUSE 31 FUSE 32 FUSE 33 FUSE 37 FUSE 34 FUSE 35 FUSE 44 FUSE 36 FUSE 37 FUSE 38 FUSE 39 FUSE 39 FUSE 2 FUSE 40 FUSE 41 FUSE 42 FUSE 42 FUSE 37 FUSE 43 FUSE 43 FUSE 28 FUSE 44 FUSE 51 FUSE 111 FUSE 144 FUSE 162 FUSE 163 FUSE 163 FUSE 162 FUSE 163 FUSE 164 FUSE 164 FUSE 176 FUSE 177 FUSE 178 FUSE 179 FUSE 180 FUSE BRACKET FUSE FUSE FUSE PANEL HOT AT ALL TIMES FUSE 38 HOT IN ON OR START FUSE 11 REAR SPOILER MOTOR FUSE REAR SPOILER MOTOR FUSE FUSE

LEFT HEADLIGHT ASSEMBLY RIGHT HEADLIGHT ASSEMBLY

DRIVER'S BACKREST HEATING ELEMENT DRIVER'S SEAT HEATING ELEMENT HEATER-A/C CONTROL PANEL PASSENGER'S BACKREST HEATING ELEMENT PASSENGER'S SEAT HEATING ELEMENT POSITIVE CRANK CASE VENTILATION HEATING ELEMENT

BRAKE PAD WEAR INDICATOR MALFUNCTION INDICATOR LAMP MALFUNCTION INDICATOR LIGHT MULTI-FUNCTION INDICATOR REAR WINDOW DEFOGGER INDICATOR

LEFT MIRROR TURN SIGNAL LAMP LICENSE PLATE LIGHTS RIGHT MIRROR TURN SIGNAL LAMP

ABS HYDRAULIC PUMP AFTER-RUN COOLANT PUMP CONVERTIBLE TOP HYDRAULIC PUMP, RELAYS COOLANT PUMP FUEL PUMP TRUNK CONVERTIBLE TOP HYDRAULIC PUMP ASSEMBLY

DAYTIME RUNNING LIGHT CHANGEOVER RELAY DAYTIME RUNNING LIGHTS CHANGE- OVER RELAY DUAL HORN RELAY FOG LIGHT RELAY FUEL FILLER LID UNLOCK RELAY FUEL PUMP RELAY FUEL PUMP RELAY LOAD REDUCTION RELAY HEATED MIRROR RELAY LOAD REDUCTION RELAY PARK/ NEUTRAL POSITION RELAY PARK/ NEUTRAL POSITION RELAY POWER SUPPLY RELAY PARK/NEUTRAL POSITION RELAY POWER SUPPLY RELAY RELAY PANEL THIRTEEN POSITION AUXILIARY RELAY PANEL WIPER/ WASHER INTERMITTENT RELAY WIPER/WASHER INTERMITTENT RELAY

BRAKE BOOSTER SENSOR 1 BRAKE PAD WEAR SENSOR DRIVER'S HEATED SEAT TEMPERATURE SENSOR DRIVERS HEATED SEAT TEMPER- ATURE SENSOR ESP SENSOR UNIT HIGH PRESSURE SENSOR LEFT FRONT BRAKE PAD WEAR SENSOR LEFT LINKAGE FLAP POSITION SENSOR OUTSIDE AIR TEMPERATURE SENSOR PASSENGER'S HEATED SEAT TEMPERATURE SENSOR PASSENGERS HEATED SEAT TEMPER- ATURE SENSOR RAIN SENSOR RIGHT LINKAGE FLAP POSITION SENSOR STEERING ANGLE SENSOR STEERING ANGLE SENSOR SHIFT LOCK SOLENOID TRANS- MISSION FLUID TEMP- ERATURE SENSOR TRANS- MISSION RPM SENSOR TRANSMISSION FLUID TEMPERATURE SENSOR VEHICLE SPEED SENSOR

LEFT FRONT BASS SPEAKER LEFT FRONT BASS SPEAKER RIGHT FRONT SPEAKER LEFT FRONT MIDRANGE SPEAKER RIGHT FRONT BASS SPEAKER LEFT FRONT SPEAKER LEFT FRONT TREBLE SPEAKER LEFT REAR BASS SPEAKER LEFT REAR TREBLE SPEAKER RIGHT FRONT BASS SPEAKER RIGHT FRONT MIDRANGE SPEAKER RIGHT FRONT TREBLE SPEAKER RIGHT REAR BASS SPEAKER RIGHT REAR SPEAKER LEFT REAR SPEAKER RIGHT REAR TREBLE SPEAKER

A/C SWITCH ANTI-SLIP CONTROL SWITCH ASR/ ESP SWITCH ASR/ESP SWITCH BACK-UP LIGHT SWITCH BRAKE FLUID LEVEL WARNING SWITCH BRAKE LIGHT SWITCH CLUTCH PEDAL POSITION SWITCH CONVERTIBLE TOP CLOSED POSITION SWITCH CONVERTIBLE TOP OPEN POSITION SWITCH CONVERTIBLE TOP OPERATION SWITCH CONVERTIBLE TOP TONNEAU COVER SWITCH COOLANT FAN CONTROL THERMAL SWITCH CRUISE CONTROL SWITCH DIMMER SWITCH DRIVER'S SIDE INTERIOR LOCK SWITCH DRIVER'S SIDE INTERIOR LOCK SWITCH LEFT FRONT WINDOW SWITCH EMERGENCY FLASHER SWITCH FOG LIGHT SWITCH FRESH AIR BLOWER SWITCH FRESH/ RECIRC SWITCH GLOVE COMPARTMENT SWITCH GLOVE COMPARTMENT SWITCH FUEL PUMP HEAD OFF PARK HEADLIGHT SWITCH HEADLIGHT DIMMER/ FLASHER SWITCH HEADLIGHT DIMMER/ FLASHER SWITCH FLASH TO PASS HEADLIGHT SWITCH HEATED MIRRORS SWITCH HOOD ALARM SWITCH HORN SWITCH HOT AT ALL TIMES IGNITION SWITCH IGNITION SWITCH IGNITION SWITCH KEY IN IGNITION IGNITION/ STARTER SWITCH INSTRUMENT PANEL LIGHT DIMMER SWITCH KEY-IN IGNITION SWITCH LEFT FRONT POWER WINDOW SWITCH LEFT FRONT SEAT BELT MICRO SWITCH LEFT FRONT SEAT BELT SWITCH LEFT FRONT WINDOW SWITCH LEFT MAKE-UP MIRROR LIGHT SWITCH LEFT SEAT BELT SWITCH LEFT WASHER NOZZLE HEATER LIGHT SWITCH LIGHT SWITCH LIGHT SWITCH ON WARNING BUZZER LUGGAGE COMPARTMENT LIGHT SWITCH MIRROR SELECTOR SWITCH MULTI-FUNCTION TRANSMISSION RANGE SWITCH PARKING BRAKE WARNING LIGHT SWITCH PASSENGER'S INTERIOR LOCK SWITCH PASSENGER'S SIDE INTERIOR LOCK SWITCH PASSENGER'S SIDE POWER WINDOW SWITCH PASSENGER'S SIDE WINDOW SWITCH POWER MIRROR SWITCH REAR LID RELEASE SWITCH REAR LID REMOTE UNLOCK SWITCH REAR LID REMOTE UNLOCK SWITCH DRIVER'S SIDE POWER MIRROR REAR LID REMOTE UNLOCK SWITCH REAR WINDOW SAFETY SWITCH REAR SPOILER SWITCH REAR WINDOW DEFOGGER SWITCH REMOTE FUEL TANK DOOR SWITCH REMOTE/ FUEL TANK DOOR SWITCH LEFT FRONT POWER WINDOW SWITCH RIGHT FRONT WINDOW SWITCH RIGHT MAKE-UP MIRROR LIGHT SWITCH SWITCH ILLUMINATION THIRD SPEED COOLANT FAN CONTROL THERMAL SWITCH TIPTRONIC SWITCH TRUNK LID RELEASE SWITCH TRUNK LOCK ALARM/ CENTRAL LOCKING SWITCH TRUNK LOCK ALARM/ CENTRAL LOCKING SWITCH REAR LID CENTRAL LOCKING SYSTEM MOTOR TURN SIGNAL SWITCH WINDSHIELD WIPER/ WASHER SWITCH WINDSHIELD WIPER/WASHER SWITCH

CAMSHAFT ADJUSTMENT VALVE 1 INTAKE MANIFOLD CHANGEOVER VALVE INTAKE MANIFOLD TUNING VALVE 2 LEFT FRONT ABS INLET VALVE LEFT FRONT ABS OUTLET VALVE LEFT REAR ABS INLET VALVE LEFT REAR ABS OUTLET VALVE RIGHT FRONT ABS INLET VALVE RIGHT FRONT ABS OUTLET VALVE RIGHT REAR ABS INLET VALVE RIGHT REAR ABS OUTLET VALVE SHIFT LOCK SOLENOID SOLENOID VALVES TRACTION CONTROL PILOT VALVE 1 TRACTION CONTROL PILOT VALVE 2 VALVE BODY

BLK WIRE BLK/ BLU WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/WHT/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/BRN WIRE ORG/GRN WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RUN WIRE VIO WIRE VIO/BLK WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/RED WIRE VIO/WHT 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/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/RED WIRE YEL/VIO WIRE

1.8L 1.8L 2.0L 2.0L 3 4 CLOSE OPEN 4 5 3 2 SOLID STATE 6 SPEED A/T 6 SPEED A/T 4 SPEED A/T (IN PASSENGER'S DOOR, INTEGRAL (IN PASSENGER'S DOOR, INTEGRTAL (OR A/C CLUTCH A/C SYSTEM A/T HYDRAULIC PRESSURE SENDER ABS SYSTEM, SUPPLEMENT RESTRAINTS SYSTEM ABS WARNING ACTIVE BODYWORK SYSTEM AFTER- AIR BAG MALFUNCTION AIR BAG SPIRAL SPRING/RETURN SPRING W/ SLIP RING AIR BAG SPIRAL SPRING/RETURN SPRING W/SLIP RING AIR CONDITIONING SYSTEM AIRBAG SPIRAL SPRING/ RETURN SPRING W/ SLIP RING ANTI-THEFT SYSTEM ANTI-THEFT, DOOR LOCKS SYSTEM ASC WARNING ASHTRAY LIGHT AUTOMATIC DAY/NIGHT INTERIOR MIRROR AUTOMATIC DAY/NIGHT MIRROR BRAKE SYSTEM WARNING CD CHANGER CIGARETTE LIGHTER CIRCUIT BREAKER CIRCUIT BREAKER 43 CLOSE OPEN COMPUTER DATA LINES SYSTEM CONVERTIBLE TOP CIRCUIT BREAKER COOLANT FAN COOLANT GLOW PLUGS COOLANT TEMP GAUGE COOLING FANS SYSTEM CRUISE CONTROL SYSTEM DEFOGGERS SYSTEM DIGITAL CLOCK DIGITAL DISPLAY LIGHT DRIVER'S SIDE AIR BAG IGNITER DRIVER'S SIDE POWER MIRROR ELECTRONIC POWER CONTROL FAULT LIGHT FRESH AIR BLOWER FRONT INTERIOR LIGHT FUEL CONSUM SIG FUEL GAUGE FUEL INJECTORS GASOLINE DIESEL GLOVE COMPARTMENT LIGHT GLOW PLUG IND GND 42 GND 43 GND 44 GND 50 GND 52 GND 57 GND 75 HEAD OFF OFF PARK PARK HEADLIGHTS SYSTEM HEATED REAR WINDOW HIGH BEAM HIGH MOUNT BRAKE LIGHT HIGH MOUNT BRAKELIGHT HOT AT ALL TIMES HOT IN ON HOT IN ON OR START HOT IN RUN OR START HOT W/ KEY IN IGNITION HOT W/ KEY IN IGNITION HOT AT ALL TIMES IGNITION COILS INSTRUMENT CLUSTER INSTRUMENT CLUSTER HIGH BEAM IND INSTRUMENT CLUSTER SYSTEM LEFT BACK-UP LIGHT LEFT BACK-UP LIGHT RIGHT BACK-UP LIGHT LEFT BRAKE/ TAILLIGHT RIGHT BRAKE/ TAILLIGHT LEFT DOOR WARNING LIGHT LEFT FRONT FOG LIGHT LEFT FRONT TURN SIGNAL, SIDE MARKER LIGHT LEFT FRONT TWEETER LEFT FRONT WOOFER LEFT HEAD- LIGHT ASSEMBLY HIGH LOW LEFT MAKE-UP MIRROR LIGHT LEFT MIRROR TURN SIGNAL LIGHT LEFT REAR READING LIGHT LEFT REAR TURN SIGNAL LIGHT LEFT REAR WOOFER LEFT RIGHT LEFT RIGHT TURN IND TURN IND LEFT SEAT BELT TENSIONER IGNITER LEFT TURN LICENSE PLATE LIGHT LOW FUEL LEVEL WARNING LOW HIGH LUGGAGE COMPARTMENT LIGHT M/T A/T M/T M/T MIRROR ADJUSTMENT SWITCHES NOT USED ODOMETER DISPLAY OFF HEAD PARK OFF PARK OIL PRESSURE WARNING OIL PRESSURE WARNING BUZZER ON DOOR ON OFF OFF OPEN CLOSE PARKING BRAKE PARKING BRAKE IND. PASSENGER'S SIDE AIR BAG IGNITER 1 PASSENGER'S SIDE POWER MIRROR POWER TOPS SYSTEM REAR FOG LIGHT REAR LID UNLOCK REAR LID UNLOCKED WARNING LIGHT RIGHT BACK-UP LIGHT RIGHT COOLANT FAN RIGHT DOOR WARNING LIGHT RIGHT FRONT FOG LIGHT RIGHT FRONT TURN SIGNAL/ SIDE MARKER LIGHT RIGHT FRONT TWEETER RIGHT FRONT WOOFER RIGHT HEAD- LIGHT ASSEMBLY HIGH LOW RIGHT MAKE-UP MIRROR LIGHT RIGHT MIRROR TURN SIGNAL LIGHT RIGHT REAR READING LIGHT RIGHT REAR SIDE MARKER LIGHT RIGHT REAR TURN SIGNAL LIGHT LEFT REAR SIDE MARKER LIGHT RIGHT REAR TURN SIGNAL LIGHT LEFT REAR TURN SIGNAL LIGHT RIGHT REAR WOOFER RIGHT SEAT BELT TENSIONER IGNITER RIGHT TURN SELECTOR LEVEL POSITION P/N WARNING LIGHT SOLID STATE STARTING/ CHARGING SYSTEM STARTING/CHARGING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM TO SPARK PLUG TO SPARK PLUG TO SPARK PLUG TOP OF TRANSMISSION) TRANS- MISSION RPM SENDER TRANSMISSIONS SYSTEM TRANSMISSIONS SYSTEM, ABS SYSTEM W/A/T ONLY W/O ESP W/ ESP