Volkswagen Beetle A4 (1997-2005) run Wiring diagrams

A/C CLUTCH A/C CUT-OUT THERMAL SWITCH (FRONT OF ENGINE COMPARTMENT) A/C SWITCH AFTER- BLK WIRE BLK/BLU WIRE BLU WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/WHT WIRE COOLANT FAN COOLANT FAN CONTROL (FC) THERMAL SWITCH (ON BOTTOM LEFT SIDE OF RADIATOR) COOLANT PUMP FRESH AIR BLOWER (BEHIND RIGHT SIDE OF DASH, FORWARD OF GLOVE BOX) FRESH AIR BLOWER SWITCH FRESH/ RECIRC SWITCH FUSE 16 FUSE 164 FUSE 180 FUSE 25 FUSE 5 FUSE BRACKET (ON BATTERY COVER) FUSE PANEL (BEHIND LEFT SIDE OF DASH) GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY/BLU WIRE HEATER-A/C CONTROL PANEL HIGH PRESSURE SENSOR HOT AT ALL TIMES HOT IN ON HOT IN ON OR START INSTRUMENT CLUSTER MOTRONIC ENGINE CONTROL MODULE (ECM) (BELOW LEFT SIDE OF DASH PANEL COVER) NCA WIRE RED WIRE RED/BLK WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT COOLANT FAN RUN WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE

A/C CLUTCH ABS CONTROL MODULE AFTER- BATTERY BLK WIRE BLU/GRN WIRE BRAKE FLUID LEVEL WARNING SWITCH BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/YEL WIRE COOLANT FAN COOLANT FAN CONTROL (FC) CONTROL MODULE COOLANT PUMP (1.8L) HIGH PRESSURE SENSOR HOOD ALARM SWITCH HORNS IGNITION COIL (2.0L) IGNITION COILS (1.8L) LEFT FRONT TURN SIGNAL, SIDE MARKER LIGHT LEFT HEADLIGHT ASSEMBLY MOTRONIC ENGINE CONTROL MODULE (ECM) MULTI-FUNCTION TRANSMISSION RANGE SWITCH POSITIVE CRANK CASE VENTILATION HEATING ELEMENT RIGHT COOLANT FAN RIGHT FRONT TURN SIGNAL/ SIDE MARKER LIGHT RIGHT HEADLIGHT ASSEMBLY RUN WIRE SECONDARY AIR INJECTION PUMP MOTOR SPEEDOMETER VEHICLE SPEED SENSOR (VSS) (1.8L) SPEEDOMETER VEHICLE SPEED SENSOR (VSS) (2.0L) THIRD SPEED COOLANT FAN CONTROL (FC) RELAY (1.8L) TOP OF TRANSMISSION) TRANSMISSION CONTROL MODULE (TCM) WINDSHIELD WIPER MOTOR

132 (OR 193) A/C CLUTCH ABS CONTROL MODULE AFTER- BATTERY BLK WIRE BLU/GRN WIRE BRAKE FLUID LEVEL WARNING SWITCH BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/YEL WIRE COOLANT FAN COOLANT FAN CONTROL (FC) CONTROL MODULE COOLANT PUMP (1.8L) DIESEL DIRECT FUEL INJECTION ENGINE CONTROL MODULE (ECM) (1.9L) GLOW PLUG TRIGGERING CONTROL MODULE (1.9L) HOOD ALARM SWITCH HORNS IGNITION COIL (2.0L) IGNITION COILS (1.8L) LEFT FRONT TURN SIGNAL, SIDE MARKER LIGHT LEFT HEADLIGHT ASSEMBLY MOTRONIC ENGINE CONTROL MODULE (ECM) MULTI-FUNCTION TRANSMISSION RANGE SWITCH PARK/NEUTRAL POSITION RELAY POSITIVE CRANK CASE VENTILATION HEATING ELEMENT POSITIVE CRANKCASE VENTILATION HEATING ELEMENT (1.9L) RED WIRE RIGHT COOLANT FAN RIGHT FRONT TURN SIGNAL/ SIDE MARKER LIGHT RIGHT HEADLIGHT ASSEMBLY RUN WIRE SECONDARY AIR INJECTION PUMP MOTOR (EXCEPT 1.9L) SPEEDOMETER VEHICLE SPEED SENSOR (VSS) (1.8L) SPEEDOMETER VEHICLE SPEED SENSOR (VSS) (1.9L) SPEEDOMETER VEHICLE SPEED SENSOR (VSS) (2.0L) THIRD SPEED COOLANT FAN CONTROL (FC) RELAY (1.8L) TOP OF TRANSMISSION) TRANSMISSION CONTROL MODULE (TCM) WINDSHIELD WIPER MOTOR

AIR BAG CONTROL MODULE (ON CENTER FLOOR TUNNEL, BELOW HEATER CORE HOUSING) AIR BAG MALFUNCTION INDICATOR LAMP (MIL) AIR BAG SPIRAL SPRING/RETURN SPRING W/SLIP RING BLK WIRE BLU WIRE BRN WIRE DRIVER'S SIDE AIR BAG IGNITER DRIVER'S SIDE SIDE AIR BAG CRASH SENSOR (UNDER DRIVER'S SEAT, CARPET) DRIVER'S SIDE SIDE AIR BAG IGNITER (IN DRIVER'S FRONT SEAT BACK) GRN WIRE GRY WIRE GRY/WHT WIRE IGNITION/ STARTER SWITCH INSTRUMENT CLUSTER LEFT FRONT SEAT BELT MICRO SWITCH LEFT SEAT BELT TENSIONER IGNITER LOCK NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/BRN WIRE PASSENGER'S SIDE AIR BAG IGNITER 1 PASSENGER'S SIDE SIDE AIR BAG CRASH SENSOR (UNDER PASSENGER'S SEAT, CARPET) PASSENGER'S SIDE SIDE AIR BAG IGNITER (RIGHT SIDE OF FRONT PASSENGER'S SEAT) RED WIRE RIGHT FRONT SEAT BELT MICRO-SWITCH (IN RIGHT FRONT SEAT BELT BUCKLE) RIGHT SEAT BELT TENSIONER IGNITER RUN WIRE SOLID STATE VIO WIRE VIO/WHT WIRE WHT WIRE YEL WIRE

A/T ACCELERATOR PEDAL POSITION SENSORS 1, 2 (IN PEDAL ASSEMBLY) BLK WIRE BLK/GRN 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 (BRAKE SYSTEM VACUUM PUMP) (A/T) BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COOLING FANS SYSTEM CRUISE CONTROL SYSTEM FUEL PUMP RELAY FUSE 163 FUSE 162 FUSE 29 FUSE 31 FUSE 51 FUSE BRACKET (ON BATTERY COVER) FUSE HOLDER (LEFT SIDE OF ENGINE COMPT) FUSE PANEL (BEHIND LEFT SIDE OF DASH) GRN WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/RED WIRE GRY/WHT WIRE HEATED OXYGEN SENSOR (BLACK) HOT AT ALL TIMES IGNITION SWITCH LOCK MASS AIRFLOW SENSOR (RIGHT SIDE OF AIR CLEANER HOUSING, IN AIR INTAKE DUCT) 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/RED WIRE VIO/WHT WIRE VIO/YEL WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE WHT/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

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