Volkswagen Beetle A4 (1997-2005) (on left side of luggage compt) Wiring diagrams

BLK/BLU WIRE BLK/GRN WIRE BRN WIRE FUSE 7 FUSE PANEL (BEHIND LEFT SIDE OF DASH) GRN/YEL WIRE GRY/BLK WIRE HOT AT ALL TIMES IGNITION SWITCH HOT IN ON OR START LEFT BACK-UP LIGHT LOCK ON MULTIFUNCTION TRANSMISSION RANGE (TR) SWITCH (ON TOP REAR OF TRANSAXLE) PARK/NEUTRAL POSITION RELAY RED WIRE RED/BLK WIRE RED/YEL WIRE RIGHT BACK-UP LIGHT SOLID STATE STARTING/CHARGING SYSTEM TRANSMISSION CONTROL MODULE (TCM) (BELOW RIGHT SIDE OF DASH) VIO/BLK WIRE WHT/BLK WIRE YEL/BLU WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLU WIRE BRN WIRE BRN/BLK WIRE FUSE 7 FUSE PANEL (BEHIND LEFT SIDE OF DASH) FUSE 31 GRN WIRE GRY/BLK WIRE HOT IN ON OR START LEFT BACK-UP LIGHT M/T A/T PARK/NEUTRAL POSITION RELAY (A/T) RED WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RIGHT BACK-UP LIGHT SOLID STATE TRANSMISSION CONTROL MODULE (TCM) (BELOW RIGHT SIDE OF DASH) VIO/BLK WIRE YEL/BLU WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLU WIRE BRN WIRE BRN/BLK WIRE FUSE 7 FUSE PANEL (BEHIND LEFT SIDE OF DASH) FUSE 31 GRN WIRE GRY/BLK WIRE HOT IN ON OR START LEFT BACK-UP LIGHT M/T A/T PARK/NEUTRAL POSITION RELAY (A/T) RED WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RIGHT BACK-UP LIGHT SOLID STATE TRANSMISSION CONTROL MODULE (TCM) (BELOW RIGHT SIDE OF DASH) VIO/BLK WIRE YEL/BLU WIRE

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

ABS WARNING AIR BAG MALFUNCTION ANTI-THEFT IMMOBILIZER CONTROL MODULE ANTI-THEFT IMMOBILIZER INDUCTION COIL ANTI-THEFT, DOOR LOCKS SYSTEM ASC WARNING BLK WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BLU/VIO WIRE BLU/WHT WIRE BRAKE FLUID LEVEL WARNING SWITCH BRAKE PAD WEAR INDICATOR BRAKE SYSTEM WARNING BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COMFORT SYSTEM CENTRAL CONTROL MODULE (BELOW LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CONTROL MODULE W/ INDICATOR UNIT CONVERTIBLE TOP CONTROL MODULE COOLANT TEMP GAUGE COOLING FANS SYSTEM DAYTIME RUNNING LIGHTS CHANGE- OVER RELAY DIGITAL DISPLAY LIGHT ENGINE COOLANT LEVEL SENSOR (IN ENGINE COOOLANT RESERVOIR) ENGINE COOLANT LEVEL/TEMP WARNING ENGINE COOLANT TEMPERATURE (ECT) SENSOR (IN COOLANT FLANGE, ON REAR OF CYL HEAD) FUEL GAUGE FUEL GAUGE SENDER (FUEL LEVEL SENSOR) (IN FUEL TANK) FUSE 11 FUSE 15 FUSE 37 FUSE PANEL (BEHIND LEFT SIDE OF DASH) GENERATOR GENERATOR WARNING GRN WIRE GRN/BLK WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/RED WIRE GRY/WHT WIRE HEADLIGHTS SYSTEM HIGH BEAM HOT AT ALL TIMES HOT IN ON OR START HOT W/ KEY IN IGNITION INSTRUMENT CLUSTER LEFT FRONT BRAKE PAD WEAR SENSOR LEFT SEAT BELT SWITCH LEFT TURN LIGHT SWITCH ON WARNING BUZZER LOW FUEL LEVEL WARNING LUGGAGE COMPARTMENT LIGHT SWITCH M/T A/T MALFUNCTION INDICATOR LIGHT MOTRONIC ENGINE CONTROL MODULE (ECM) MULTI-FUNCTION INDICATOR ODOMETER DISPLAY OIL PRESSURE SWITCH (ON LEFT SIDE OF ENGINE, NEAR OIL FILTER FLANGE) OIL PRESSURE WARNING OIL PRESSURE WARNING BUZZER ORG/BLK WIRE ORG/BRN WIRE PARKING BRAKE PARKING BRAKE WARNING LIGHT SWITCH (AT BOTTOM OF PARKING BRAKE LEVER) POWER TOPS SYSTEM REAR FOG LIGHT REAR LID UNLOCK RED WIRE RED/VIO WIRE RIGHT TURN SPEEDOMETER SPEEDOMETER VEHICLE SPEED SENSOR (VSS) (ON TOP OF DIFFERENTIAL HOUSING) TACHOMETER TURN SIGNAL SWITCH VIO WIRE VIO/BLK WIRE VIO/RED WIRE VIO/YEL WIRE WHT WIRE WIPER/ WASHER INTERMITTENT RELAY YEL WIRE YEL/GRN WIRE YEL/RED WIRE

AMPLIFIER (W/ PREMIUM RADIO) BLU WIRE BRN WIRE BRN/WHT WIRE CD CHANGER UNIT CENTRAL LOCKING WARNING LIGHT (SAFE) DRIVER'S DOOR POWER WINDOW SWITCH DRIVER'S SIDE CENTRAL LOCKING UNIT DRIVER'S SIDE DOOR CONTROL MODULE DRIVER'S SIDE INTERIOR LOCK SWITCH DRIVER'S SIDE POWER MIRROR FRESH AIR BLOWER FRESH- RECIRCULATING AIR DOOR SERVO MOTOR GND 44 GND 50 GND 52 GND 57 HEATED REAR WINDOW HEATER-A/C CONTROL PANEL HIGH MOUNT BRAKELIGHT LEFT BACK-UP LIGHT RIGHT BACK-UP LIGHT LEFT BRAKE/ TAILLIGHT RIGHT BRAKE/ TAILLIGHT LEFT MIRROR TURN SIGNAL LAMP LEFT REAR TURN SIGNAL LIGHT LICENSE PLATE LIGHT LUGGAGE COMPARTMENT LIGHT SWITCH POWER MIRROR SWITCH RADIO REAR LID RELEASE SWITCH REAR LID REMOTE UNLOCK SWITCH REAR WINDOW SAFETY SWITCH REMOTE/ FUEL TANK DOOR SWITCH LEFT FRONT POWER WINDOW SWITCH RIGHT REAR SIDE MARKER LIGHT RIGHT REAR TURN SIGNAL LIGHT LEFT REAR SIDE MARKER LIGHT TRUNK CONVERTIBLE TOP HYDRAULIC PUMP ASSEMBLY TRUNK LOCK ALARM/ CENTRAL LOCKING SWITCH REAR LID CENTRAL LOCKING SYSTEM MOTOR

110 (OR 255) AMPLIFIER (W/ PREMIUM RADIO) BLU WIRE BRN WIRE CD CHANGER UNIT CENTRAL LOCKING WARNING LIGHT (SAFE) DRIVER'S DOOR CENTRAL LOCKING ACTUATOR DRIVER'S SIDE DOOR CONTROL MODULE DRIVER'S SIDE INTERIOR LOCK SWITCH FRESH AIR BLOWER (1.8L) FRESH AIR BLOWER (1.9L, 2.0L) FRESH/ RECIRCULATING AIR DOOR SERVO MOTOR (1.8L) FRESH/ RECIRCULATING AIR DOOR SERVO MOTOR (1.9L, 2.0L) GND 44 GND 50 GND 52 GND 75 HEATED REAR WINDOW HEATER- A/C CONTROL PANEL (1.8L) HEATER- A/C CONTROL PANEL (1.9L, 2.0L) LEFT BACK-UP LIGHT LEFT BRAKE/ TAILLIGHT RIGHT BRAKE/ TAILLIGHT LEFT FRONT POWER WINDOW SWITCH LEFT MIRROR TURN SIGNAL LAMP LEFT REAR TURN SIGNAL LIGHT LICENSE PLATE LIGHT NCA WIRE POWER MIRROR SWITCH RADIO REAR LID REMOTE UNLOCK SWITCH DRIVER'S SIDE POWER MIRROR REAR SPOILER CONTROL MODULE REMOTE FUEL TANK DOOR SWITCH RIGHT BACK-UP LIGHT RIGHT REAR SIDE MARKER LIGHT RIGHT REAR TURN SIGNAL LIGHT LEFT REAR SIDE MARKER LIGHT

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