Volkswagen Golf Mk4 (1997-2006) coolant fan control thermal switch Wiring diagrams

2.8L A/C CLUTCH AFTER-RUN COOLANT PUMP (2.8L) AMBIENT TEMPERATURE SWITCH (LEFT SIDE OF PLENUM, AT BASE OF WINDSHIELD) BLK WIRE BLK/BLU WIRE BLU WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BRN/WHT WIRE COOLANT FAN CONTROL MODULE (AT LEFT FRONT SIDE OF ENGINE COMPARTMENT) COOLANT FAN CONTROL THERMAL SWITCH DIESEL FUSE 16 FUSE 3 FUSE 5 FUSE 8 FUSE BRACKET/ BATTERY (BEHIND BATTERY) FUSE PANEL (BEHIND LEFT SIDE OF DASH) GASOLINE GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRY WIRE HEATER-A/C CONTROL PANEL HIGH PRESSURE SENSOR HOT AT ALL TIMES HOT IN RUN, START INSTRUMENT CLUSTER LATE PRODUCTION 2004, 2005 EARLY PRODUCTION 2004 LEFT COOLANT FAN RED WIRE RED/BLK WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT COOLANT FAN TRANSMISSION CONTROL MODULE (AT BASE OF WINDSHIELD, RIGHT SIDE OF PLENUM) VIO/YEL WIRE WHT WIRE

A/C CLUTCH AMBIENT TEMPERATURE SWITCH (LEFT SIDE OF PLENUM, AT BASE OF WINDSHIELD) BLK WIRE BLK/BLU WIRE BLK/VIO WIRE BLU WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE COOLANT FAN CONTROL MODULE (AT LEFT FRONT SIDE OF ENGINE COMPARTMENT) COOLANT FAN CONTROL THERMAL SWITCH ENGINE CONTROLS SYSTEM FUSE 16 FUSE 3 FUSE 37 FUSE 5 FUSE 8 FUSE BRACKET/ BATTERY (BEHIND BATTERY) FUSE PANEL (BEHIND LEFT SIDE OF DASH) GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/RED WIRE GRY WIRE HEATER-A/C CONTROL PANEL HIGH PRESSURE SENSOR HOT AT ALL TIMES HOT IN RUN, START INSTRUMENT CLUSTER LEFT COOLANT FAN MOTRONIC ENGINE CONTROL MODULE POWER SUPPLY RELAY (BEHIND AIR CLEANER HOUSING) RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT COOLANT FAN TRANSMISSION CONTROL MODULE (AT BASE OF WINDSHIELD, RIGHT SIDE OF PLENUM) VIO WIRE VIO/YEL WIRE WHT WIRE YEL/RED WIRE

2.8L A/C CLUTCH AFTER-RUN COOLANT PUMP (2.8L) AMBIENT TEMPERATURE SWITCH (LEFT SIDE OF PLENUM, AT BASE OF WINDSHIELD) BLK WIRE BLK/BLU WIRE BLU WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BRN/WHT WIRE COOLANT FAN CONTROL MODULE (AT LEFT FRONT SIDE OF ENGINE COMPARTMENT) COOLANT FAN CONTROL THERMAL SWITCH DIESEL FUSE 16 FUSE 3 FUSE 5 FUSE 8 FUSE BRACKET/ BATTERY (BEHIND BATTERY) FUSE PANEL (BEHIND LEFT SIDE OF DASH) GASOLINE GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRY WIRE HEATER-A/C CONTROL PANEL HIGH PRESSURE SENSOR HOT AT ALL TIMES HOT IN RUN, START INSTRUMENT CLUSTER LATE PRODUCTION 2004, 2005 EARLY PRODUCTION 2004 LEFT COOLANT FAN RED WIRE RED/BLK WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT COOLANT FAN TRANSMISSION CONTROL MODULE (AT BASE OF WINDSHIELD, RIGHT SIDE OF PLENUM) VIO/YEL WIRE WHT WIRE

1.8L, 2.0L 2.8L, 3.2L 35 88 (LATE PROD 2004, 2005) (EARLY PROD 2004) ABS CONTROL MODULE ALARM SYSTEM, ANTI- THEFT FUSE FUSE 111 ALL- WHEEL DRIVE CONTROL MODULE BATTERY BLK WIRE BLK/RED WIRE BLU WIRE BRAKE SYSTEM VACUUM PUMP (1.8L, 2.0L) BRN WIRE CENTRAL LOCKING/ ANTI-THEFT WARNING SYSTEM FUSE FUSE 144 CLIMATRONIC COMFORT SYSTEM CENTRAL CONTROL MODULE CONTROL MODULE (2.8L, 3.2L) COOLANT FAN CONTROL MODULE COOLANT FAN CONTROL MODULE (2.8L, 3.2L) COOLANT FAN CONTROL THERMAL SWITCH COOLANT PREHEATING RELAY (HIGH HEAT OUTLET) (1.9L) COOLANT PREHEATING RELAY (LOW HEAT OUTLET) (1.9L) DIESEL DIRECT FUEL INJECTION (DFI) ENGINE CONTROL MODULE DRIVER'S MOTRONIC HEATED ENGINE SEAT CONTROL CONTROL MODULE MODULE (ECM) DRIVER'S PASSENGER'S SIDE DOOR SIDE DOOR CONTROL CONTROL MODULE MODULE DUAL HORN RELAY FUEL PUMP RELAY (2004 EARLY PRODUCTION) FUEL PUMP RELAY (EXCEPT 1.9L) FUSE 162 FUSE 163 FUSE 164 FUSE 176 FUSE 177 FUSE 178 FUSE 179 FUSE 180 FUSE 30 FUSE 16 FUSE 35 FUSE 37 FUSE 31 FUSE 37 FUSE 33 FUSE 44 FUSE BRACKET/ BATTERY (BEHIND BATTERY) FUSE PANEL (BEHIND LEFT SIDE OF DASH) FUSE PANEL (BEHIND LEFT SIDE OF DASH) FUSE 28 FUSE PANEL (BEHIND LEFT SIDE OF DASH) FUSE 36 GENERATOR GLOW PLUG TRIGGERING CONTROL MODULE (1.9L) GRN WIRE GRY WIRE HEADLIGHT DIMMER/ FLASHER SWITCH LIGHT SWITCH LOAD REDUCTION RELAY MEMORY SEAT CONTROL MODULE MULTI-FUNCTION STEERING WHEEL CONTROL MODULE PARK/ NEUTRAL POSITION RELAY PASSENGER'S HEATED SEAT CONTROL MODULE PASSENGER'S SEAT SWITCH POWER COOLANT SUNROOF FAN CONTROL CONTROL MODULE MODULE POWER MEMORY SEAT CIRCUIT BREAKER (IN RELAY PANEL) CIRCUIT BREAKER 44 POWER WINDOW CIRCUIT BREAKER (IN RELAY PANEL) CIRCUIT BREAKER 37 RED WIRE RED/GRY WIRE RELAY PANEL (UNDER LEFT SIDE OF DASH) BRAKE VACUUM PUMP FUSE RIGHT LEFT REAR DOOR REAR DOOR CONTROL CONTROL MODULE MODULE SECONDARY AIR INJECTION PUMP RELAY (EXCEPT 1.9L) SOCKET STARTER THIRTEEN-FOLD AUXILIARY RELAY PANEL (UNDER LEFT SIDE OF DASH) TO FUSE PANEL (DIAGRAM 3 OF 3) TO IGNITION SWITCH (DIAGRAM 2 OF 3) WHT WIRE WIPER/ WASHER INTERMITTENT RELAY THIRTEEN -FOLD AUXILIARY RELAY PANEL YEL WIRE