Volkswagen Beetle A4 (1997-2005) (below center of dash panel cover) Wiring diagrams

2 (OR 4) ABS HYDRAULIC PUMP ANTI-SLIP CONTROL SWITCH BLK WIRE BLK/GRY WIRE BLU WIRE BRAKE BOOSTER SENSOR 1 BRAKELIGHT SWITCH (ABOVE BRAKE PEDAL) BRN WIRE BRN/BLU WIRE BRN/YEL WIRE DATA LINK CONNECTOR (DLC) (UNDER LEFT SIDE OF DASH) ESP SENSOR UNIT FUSE 13 FUSE 178 FUSE 179 FUSE 9 FUSE BRACKET (ON BATTERY COVER) FUSE PANEL (BEHIND LEFT SIDE OF DASH) GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT IN ON OR START LEFT FRONT ABS INLET VALVE LEFT FRONT ABS OUTLET VALVE LEFT REAR ABS INLET VALVE LEFT REAR ABS OUTLET VALVE ORG/BLK WIRE ORG/BRN WIRE REAR SPOILER CONTROL MODULE RED WIRE RED/BLK WIRE RED/BRN WIRE RED/GRN WIRE RIGHT FRONT ABS INLET VALVE RIGHT FRONT ABS OUTLET VALVE RIGHT REAR ABS INLET VALVE RIGHT REAR ABS OUTLET VALVE TRACTION CONTROL PILOT VALVE 1 TRACTION CONTROL PILOT VALVE 2 W/O ESP W/ ESP WHT WIRE WHT/YEL WIRE YEL WIRE YEL/VIO 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

BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKELIGHT SWITCH/ BRAKE VACUUM VENT VALVE SWITCH (ABOVE BRAKE PEDAL) BRN WIRE CLUTCH VACUUM VENT VALVE SWITCH (M/T) (ABOVE CLUTCH PEDAL) COOLANT GLOW PLUGS COOLANT PREHEATING RELAY (HIGH HEAT OUTPUT) COOLANT PREHEATING RELAY (LOW HEAT OUTPUT) ENGINE GLOW PLUGS FUSE 13 FUSE 162 FUSE 163 FUSE BRACKET (ON BATTERY COVER) FUSE PANEL (BEHIND LEFT SIDE OF DASH) GLOW PLUG TRIGGERING CONTROL MODULE GRN/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/WHT WIRE HOT AT ALL TIMES RED WIRE RED/BLK WIRE RED/BRN WIRE RED/VIO WIRE VIO/GRY WIRE WHT/BLU WIRE WHT/RED WIRE WHT/YEL WIRE YEL/BLK WIRE