Volkswagen Beetle A4 (1997-2005) blu 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 A/C SWITCH BLK WIRE BLK/BLU WIRE BLU WIRE BLU/GRN WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE COOLANT FAN COOLANT FAN CONTROL (FC) THERMAL SWITCH (ON BOTTOM LEFT SIDE OF RADIATOR) DIESEL 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) GASOLINE GRN WIRE GRN/BLK 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 TRANSMISSION CONTROL MODULE (TCM) (BELOW RIGHT SIDE OF DASH) VIO/YEL WIRE W/A/T ONLY WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE

A/C CLUTCH A/C SWITCH BLK/BLU WIRE BLU WIRE BLU/GRN WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/WHT WIRE COOLANT FAN COOLANT FAN CONTROL (FC) THERMAL SWITCH (ON BOTTOM LEFT SIDE OF RADIATOR) 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/BLU 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 VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE

A/C CLUTCH A/C SWITCH BLK WIRE BLK/BLU WIRE BLU WIRE BLU/GRN WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE COOLANT FAN COOLANT FAN CONTROL (FC) THERMAL SWITCH (ON BOTTOM LEFT SIDE OF RADIATOR) DIESEL 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) GASOLINE GRN WIRE GRN/BLK 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 TRANSMISSION CONTROL MODULE (TCM) (BELOW RIGHT SIDE OF DASH) VIO/YEL WIRE W/A/T ONLY WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE

ABS CONTROL MODULE (LEFT REAR OF ENGINE COMPT) BLK WIRE BLU WIRE BRN WIRE DATA LINK CONNECTOR (DLC) (UNDER LEFT SIDE OF DASH) FUSE 5 FUSE PANEL (BEHIND LEFT SIDE OF DASH) GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT CLUSTER POWER SUNROOF CONTROL MODULE REAR SPOILER CONTROL MODULE REAR SPOILER MOTOR FUSE REAR SPOILER SWITCH RED WIRE VIO WIRE WHT WIRE YEL WIRE

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

ALARM SYSTEM ANTI- THEFT ENGINE DISABLE FUSE BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/GRY 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 CENTRAL LOCKING WARNING LIGHT (SAFE) CENTRAL LOCKING, ANTI-THEFT WARNING SYSTEM ANTENNA CENTRAL LOCKING/ ANTI- THEFT WARNING SYSTEM FUSE CIRCUIT BREAKER COMPUTER DATA LINES SYSTEM CONTROL MODULE DEFOGGERS SYSTEM DRIVER'S SIDE CENTRAL LOCKING UNIT DRIVER'S SIDE DOOR CONTROL MODULE (IN DRIVER'S DOOR, INTEGRAL WITH WINDOW MOTOR) DRIVER'S SIDE INTERIOR LOCK SWITCH FUSE FUSE FUSE FUSE PANEL (BEHIND LEFT SIDE OF DASH) FUSE GRN WIRE GRN/BRN WIRE GRY/BLU WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT IN ON OR START IGNITION SWITCH KEY IN IGNITION INSTRUMENT CLUSTER NCA WIRE ORG/ WIRE ORG/BRN WIRE ORG/GRN WIRE POWER TOPS SYSTEM POWER WINDOW CIRCUIT BREAKER (IN RELAY PANEL) REAR LID UNLOCKED WARNING LIGHT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/WHT WIRE RED/YEL WIRE SUPPLEMENTAL RESTRAINTS SYSTEM TRUNK LOCK ALARM/ CENTRAL LOCKING SWITCH VIO WIRE VIO/BLU WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/RED WIRE

ALARM HORN (IN RIGHT SIDE OF FRESH AIR INTAKE, TO REAR OF WATER DEFLECTOR) BLK WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE FRONT PASSENGER CENTRAL LOCKING WARNING LIGHT (SAFE) FUEL FILLER LID UNLOCK RELAY FUEL TANK LID UNLOCK MOTOR (ABOVE RIGHT REAR WHEEL- HOUSING, IN LUGGAGE COMPT) GRN WIRE GRN/BRN WIRE GRN/YEL WIRE GRY WIRE HOOD ALARM SWITCH (ON HOOD LATCH MECHANISM) INSTRUMENT CLUSTER ORG/BRN WIRE ORG/GRN WIRE PASSENGER'S SIDE CENTRAL LOCKING UNIT PASSENGER'S SIDE INTERIOR LOCK SWITCH REAR LID CENTRAL LOCKING SYSTEM MOTOR REAR LID REMOTE UNLOCK SWITCH RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE TRUNK LID RELEASE SWITCH VIO WIRE VIO/BLU WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

ALARM SYSTEM ANTI- THEFT ENGINE DISABLE FUSE BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CENTRAL LOCKING WARNING LIGHT (SAFE) CENTRAL LOCKING, ANTI-THEFT WARNING SYSTEM ANTENNA CENTRAL LOCKING/ ANTI- THEFT WARNING SYSTEM FUSE CIRCUIT BREAKER COMPUTER DATA LINES SYSTEM CONTROL MODULE DEFOGGERS SYSTEM DRIVER'S SIDE CENTRAL LOCKING UNIT DRIVER'S SIDE DOOR CONTROL MODULE (IN DRIVER'S DOOR, INTEGRAL WITH WINDOW MOTOR) DRIVER'S SIDE INTERIOR LOCK SWITCH FUSE FUSE FUSE FUSE PANEL (BEHIND LEFT SIDE OF DASH) FUSE GRN WIRE GRN/BRN WIRE GRY/BLU WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT IN ON OR START IGNITION SWITCH KEY IN IGNITION INSTRUMENT CLUSTER NCA WIRE ORG/ WIRE ORG/BRN WIRE ORG/GRN WIRE POWER TOPS SYSTEM POWER WINDOW CIRCUIT BREAKER (IN RELAY PANEL) REAR LID UNLOCKED WARNING LIGHT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/WHT WIRE RED/YEL WIRE SUPPLEMENTAL RESTRAINTS SYSTEM VIO WIRE VIO/RED WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/RED WIRE

ALARM HORN (IN RIGHT SIDE OF FRESH AIR INTAKE, TO REAR OF WATER DEFLECTOR) BLK WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE FUEL TANK LID UNLOCK MOTOR (ABOVE RIGHT REAR WHEELHOUSING, IN LUGGAGE COMPT) GRN WIRE GRN/BRN WIRE GRN/YEL WIRE HOOD ALARM SWITCH (ON HOOD LATCH MECHANISM) INSTRUMENT CLUSTER ORG/BRN WIRE ORG/GRN WIRE PASSENGER'S SIDE CENTRAL LOCKING UNIT PASSENGER'S SIDE INTERIOR LOCK SWITCH REAR LID CENTRAL LOCKING SYSTEM MOTOR REAR LID REMOTE UNLOCK SWITCH RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE REMOTE FUEL TANK DOOR SWITCH TRUNK LID RELEASE SWITCH VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE