Volkswagen Golf Mk4 (1997-2006) red/grn Wiring diagrams

A/C CLUTCH A/C SWITCH AMBIENT TEMPERATURE SWITCH (ON LEFT SIDE OF PLENUM, AT BASE OF WINDSHIELD) BLK WIRE BLK/BLU WIRE BLK/VIO WIRE BLU WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE COOLANT FAN CONTROL MODULE (AT LEFT FRONT OF ENGINE COMPARTMENT) COOLANT FAN CONTROL THERMAL SWITCH (BOTTOM LEFT REAR OF RADIATOR) ENGINE CONTROLS SYSTEM FRESH AIR BLOWER (BEHIND RIGHT SIDE OF DASH, ON HVAC HOUSING) FRESH AIR BLOWER SWITCH FRESH/ RECIRC SWITCH FRESH/RECIRCULATING AIR DOOR SERVO MOTOR (ON RIGHT CORNER OF HVAC HOUSING) FUSE 16 FUSE 25 FUSE 3 FUSE 37 FUSE 8 FUSE/BRACKET BATTERY (BEHIND BATTERY) GRN (OR GRN/GRY) WIRE GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/RED WIRE GRY/BLU WIRE HEATER-A/C CONTROL PANEL HIGH PRESSURE SENSOR HOT AT ALL TIMES HOT IN RUN OR START FUSE PANEL (BEHIND LEFT SIDE OF DASH) FUSE 5 HOT W/ LOAD REDUCTION RELAY ENERGIZED INSTRUMENT CLUSTER LEFT COOLANT FAN MOTRONIC ENGINE CONTROL MODULE POWER SUPPLY RELAY (BEHIND AIR CLEANER HOUSING) RED WIRE RED/BLK WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RIGHT COOLANT FAN VIO WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/RED WIRE

2004 LATE PROD, 2005 2004 EARLY PROD 4 SPEED 5 SPEED 4-MOTION ABS HYDRAULIC PUMP ABS WARNING IND ASR/ESP CONTROL LAMP BLK WIRE BLK/GRY WIRE BLU WIRE BLU/BRN WIRE BRAKE BOOSTER SENDER 1 BRAKE FLUID LEVEL WARNING SWITCH (INTEGRAL WITH BRAKE FLUID RESERVOIR CAP) BRAKE LIGHT SWITCH (ABOVE BRAKE PEDAL) BRAKE PAD WEAR IND LAMP BRAKE SYSTEM (LEFT FRONT OF ENG COMPT) WARNING IND BRN WIRE BRN/RED WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) DIESEL DIESEL DIRECT FUEL INJECTION ENGINE CONTROL ESP/ANTI- SLIP CONTROL SWITCH FUSE 13 FUSE 15 FUSE 178 FUSE 179 GASOLINE GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT AT ALL TIMES FUSE BRACKET/ BATTERY (BEHIND BATTERY) HOT IN ON OR START FUSE PANEL (BEHIND LEFT SIDE OF DASH) FUSE 9 INSTRUMENT CLUSTER LEFT FRONT ABS WHEEL SPEED SENSOR (ON LEFT FRONT HUB/SPINDLE ASSEMBLY) LEFT FRONT BRAKE PAD WEAR SENSOR LEFT REAR ABS INLET VALVE LEFT REAR ABS OUTLET VALVE LEFT REAR ABS WHEEL SPEED SENSOR (ON LEFT REAR HUB/SPINDLE ASSEMBLY) MODULE (AT BASE OF WINDSHIELD IN CENTER OF PLENUM) MOTRONIC ENGINE CONTROL MODULE (AT BASE OF WINDSHIELD IN CENTER OF PLENUM) ORG/ WIRE ORG/BLK WIRE ORG/BRN WIRE PARKING BRAKE WARNING LIGHT SWITCH RED WIRE RED/BLK WIRE RED/GRN WIRE RED/VIO WIRE RIGHT FRONT ABS WHEEL SPEED SENSOR (ON RIGHT FRONT HUB/SPINDLE ASSEMBLY) RIGHT REAR ABS INLET VALVE RIGHT REAR ABS OUTLET VALVE RIGHT REAR ABS WHEEL SPEED SENSOR (ON RIGHT REAR HUB/SPINDLE ASSEMBLY) STEERING ANGLE SENSOR TRACTION CONTROL PILOT VALVE 1 TRACTION CONTROL PILOT VALVE 2 TRANSMISSION CONTROL MODULE (AT BASE OF VIO WIRE VIO/GRN WIRE VIO/YEL WIRE WHT WIRE WHT/YEL WIRE WINDSHIELD IN RIGHT SIDE OF PLENUM) YEL WIRE YEL/GRN WIRE YEL/VIO WIRE

* - INFORMATION NOT AVAILABLE 2004 LATE PROD, 2005 2004 EARLY PROD 4 SPEED 5 SPEED ABS HYDRAULIC PUMP BLK WIRE BLK/GRY WIRE BLU WIRE BLU/BRN WIRE BRAKE ABS SYSTEM WARNING WARNING IND IND BRAKE FLUID LEVEL WARNING SWITCH (INTEGRAL WITH BRAKE FLUID RESERVOIR CAP) BRAKE LIGHT SWITCH (ABOVE BRAKE PEDAL) BRAKE PAD WEAR IND LAMP BRN WIRE BRN/BLU WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) DIESEL DIESEL DIRECT FUEL INJECTION ENGINE CONTROL ESP/ANTI- SLIP CONTROL SWITCH (W/ ESP/ ANTI-SLIP CONTROL) ESP/ASC CONTROL LAMP FUSE 178 FUSE 179 FUSE 9 FUSE BRACKET/ BATTERY (BEHIND BATTERY) GASOLINE GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT AT ALL TIMES FUSE PANEL (BEHIND LEFT SIDE OF DASH) FUSE 13 IGNITION SWITCH IN RIGHT SIDE OF PLENUM) INSTRUMENT CLUSTER LEFT FRONT ABS WHEEL SPEED SENSOR (ON LEFT FRONT HUB/SPINDLE ASSEMBLE) LEFT FRONT BRAKE PAD WEAR SENSOR LEFT REAR ABS INLET VALVE LEFT REAR ABS OUTLET VALVE LEFT REAR ABS WHEEL SPEED SENSOR (ON LEFT REAR HUB/SPINDLE ASSEMBLY) LOCK MODULE (AT BASE OF WINDSHIELD IN CENTER OF PLENUM) MOTRONIC ENGINE CONTROL MODULE (AT BASE OF WINDSHIELD IN CENTER OF PLENUM) ORG/BLK WIRE ORG/BRN WIRE PARKING BRAKE WARNING LIGHT SWITCH RED WIRE RED/BLK WIRE RED/GRN WIRE RIGHT FRONT ABS WHEEL SPEED SENSOR (ON RIGHT FRONT HUB/SPINDLE ASSEMBLY) RIGHT REAR ABS INLET VALVE RIGHT REAR ABS OUTLET VALVE RIGHT REAR ABS WHEEL SPEED SENSOR (ON RIGHT REAR HUB/SPINDLE ASSEMBLE) TRACTION CONTROL PILOT VALVE 1 TRACTION CONTROL PILOT VALVE 2 TRANSMISSION CONTROL MODULE (AT BASE OF WINDSHIELD WHT WIRE YEL WIRE YEL/GRN WIRE

ALARM HORN BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE DEFOGGER SYSTEM GRN WIRE GRN/VIO WIRE GRY WIRE GRY/VIO WIRE HOOD ALARM SWITCH LEFT REAR CENTRAL LOCKING LOCK UNIT LEFT REAR DOOR CONTROL MODULE (IN LEFT REAR DOOR, INTEGRAL WITH WINDOW MOTOR) NCA WIRE ORG/BRN WIRE ORG/GRN WIRE PASSENGER'S SIDE CENTRAL LOCKING LOCK UNIT PASSENGER'S SIDE INTERIOR LOCK SWITCH RADIO RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT REAR CENTRAL LOCKING LOCK UNIT RIGHT REAR DOOR CONTROL MODULE (IN RIGHT REAR DOOR, INTEGRAL WITH WINDOW MOTOR) VIO WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/YEL WIRE WHT WIRE YEL WIRE

A/C SYSTEM BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE COOLING FANS SYSTEM CRUISE CONTROL SYSTEM EGR VACUUM REGULATOR SOLENOID VALVE (ON CENTER OF FIREWALL) FUSE 176 FUSE 29 FUSE 32 FUSE 43 FUSE BRACKET FUSE PANEL FUSE PANEL FUSE 34 GENERATOR GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT IN RUN OR START MASS AIRFLOW (MAF) SENSOR (RIGHT SIDE OF AIR CLEANER HOUSING) ORG/BLK WIRE ORG/BRN WIRE POWER SUPPLY RELAY (ON THIRTEENFOLD AUXILIARY RELAY PANEL) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RELAY PANEL TRANSMISSIONS SYSTEM VIO/RED WIRE WHT WIRE WHT/BLU WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

A/C SYSTEM BLK WIRE BLK/GRN WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE CLUTCH PEDAL SWITCH (ABOVE CLUTCH PEDAL) CRUISE CONTROL SYSTEM FUSE 29 FUSE 32 FUSE 34 FUSE 37 FUSE 43 FUSE PANEL (BEHIND LEFT SIDE OF DASH) FUSE PANEL (BEHIND LEFT SIDE OF DASH) FUSE 28 GRN WIRE GRN/BRN WIRE GRN/RED WIRE GRY/BLU WIRE GRY/RED WIRE GRY/WHT WIRE HEATED OXYGEN SENSOR (BELOW VEHICLE, FRONT OF 3-WAY CATALYTIC CONV) HOT AT ALL TIMES HOT AT ALL TIMES FUSE BRACKET/ BRACKET (BEHIND BATTERY) FUSE IGNITION SWITCH LOCK M/T MASS AIRFLOW (MAF) SENSOR (RIGHT SIDE OF AIR CLEANER HOUSING) NCA WIRE POSITIVE CRANKCASE VENTILATION (PCV) HEATING ELEMENT (IN PCV HOSE) POWER SUPPLY RELAY (ON THIRTEEN POSITION AUXILIARY RELAY PANEL) RED WIRE RED/GRN WIRE RED/VIO WIRE RELAY PANEL RUN WIRE VIO/YEL WIRE W/ PCV HEATING ELEMENT W/O PCV HEATING ELEMENT WHT WIRE WHT/BLU WIRE WHT/RED WIRE YEL/BLK WIRE YEL/GRN WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLU/GRN WIRE BLU/WHT WIRE BRAKE LIGHT SWITCH (ABOVE BRAKE PEDAL) BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/WHT WIRE CAMSHAFT POSITION SENSOR (ON CYLINDER HEAD, BEHIND CAMSHAFT SPROCKET) EGR VACUUM REGULATOR SOLENOID VALVE (ON LEFT REAR OF ENG COMPT) EGR VALVE 2 FUSE 13 FUSE PANEL (BEHIND LEFT SIDE OF DASH) GRN WIRE GRY/RED WIRE GRY/WHT WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER INTAKE AIR TEMPERATURE SENSOR (INTEGRAL TO MAP SENSOR) INTAKE FLAP MOTOR M/T NCA WIRE ORG/BLK WIRE ORG/BRN WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE TRANSMISSION SYSTEM VIO/RED WIRE WASTEGATE BYPASS REGULATOR VALVE (LEFT REAR SIDE OF ENGINE COMPT) WHT WIRE YEL/BLK WIRE

A/C SYSTEM 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/BLU WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM EARLY PROD 2003 LATE PROD 2003, 2004 EARLY PRODUCTION 2003 FUEL PUMP RELAY FUSE 163 FUSE 29 FUSE 37 FUSE PANEL FUSE/ BRACKET BATTERY GRN WIRE GRN/BRN WIRE GRN/GRY (OR GRN) WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/RED WIRE GRY/WHT WIRE HEATED OXYGEN HOT AT ALL TIMES HOT IN RUN OR START IGNITION SWITCH LEAK DETECTION PUMP (IN RIGHT REAR WHEELHOUSE) LOCK MOTRONIC ENGINE CONTROL MODULE (AT BASE OF WINDSHIELD IN CENTER OF PLENUM) NCA WIRE NOT USED NOT USED ORG/BLK WIRE ORG/BRN WIRE OXYGEN POWER SUPPLY RELAY RED WIRE RED/BLK WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE RELAY PANEL RUN WIRE STARTING/ CHARGING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM THROTTLE POSITION SENSOR/ ACCEL PEDAL POSITION SENSOR VIO WIRE VIO/GRN WIRE VIO/RED WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL/BRN WIRE YEL/GRN WIRE

A/C SYSTEM BLK WIRE BLK/BRN 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 BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM FUEL PUMP RELAY FUSE 163 FUSE 29 FUSE 37 FUSE PANEL FUSE/ BRACKET BATTERY GRN WIRE GRN/BRN WIRE GRN/GRY (OR GRN) WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/RED WIRE GRY/WHT WIRE HEATED OXYGEN HOT AT ALL TIMES HOT IN RUN OR START IGNITION SWITCH LEAK DETECTION PUMP (IN RIGHT REAR WHEELHOUSE) LOCK MOTRONIC ENGINE CONTROL MODULE (AT BASE OF WINDSHIELD IN CENTER OF PLENUM) NCA WIRE ORG/BLK WIRE ORG/BRN WIRE OXYGEN POWER SUPPLY RELAY RED WIRE RED/BLK WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RELAY PANEL RUN WIRE STARTING/ CHARGING SYSTEM THROTTLE POSITION SENSOR/ ACCEL PEDAL POSITION SENSOR VIO WIRE VIO/GRN WIRE VIO/RED WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/RED WIRE WHT/YEL WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/RED WIRE

A/C SYSTEM BLK 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 BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM FUEL PUMP RELAY FUSE 163 FUSE 29 (BEHIND LEFT SIDE OF DASH) FUSE 37 FUSE PANEL FUSE/ BRACKET BATTERY GRN WIRE GRN/BRN WIRE GRN/GRY (OR GRN) WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/RED WIRE GRY/WHT WIRE HEATED OXYGEN HOT AT ALL TIMES HOT IN RUN OR START IGNITION SWITCH LEAK DETECTION PUMP (IN RIGHT REAR WHEELWELL) LOCK MASS AIRFLOW (MAF) SENSOR (IN INTAKE AIR DUCT) MOTRONIC ENGINE CONTROL MODULE (AT BASE OF WINDSHIELD IN CENTER OF PLENUM) MOTRONIC ENGINE CONTROL MODULE POWER SUPPLY RELAY (BEHIND AIR CLEANER HOUSING) NCA WIRE ORG/BLK WIRE ORG/BRN WIRE OXYGEN RED WIRE RED/BLK WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE RELAY PANEL RUN WIRE STARTING/ CHARGING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM THROTTLE POSITION SENSOR/ ACCEL PEDAL POSITION SENSOR VIO WIRE VIO/BLK WIRE VIO/GRN WIRE VIO/RED WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL/BRN (OR YEL/GRN) WIRE YEL/BRN WIRE YEL/GRN WIRE