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Volkswagen Beetle A4 (1997-2005) blk/blu Wiring diagrams

This page contains all the electrical diagrams for the component. blk/blu, in which he is found in the car Volkswagen Beetle A4 (1997-2005). You can view various wiring diagrams where this component is used, as well as go to more detailed diagrams to see the complete connection and interaction in the system. All diagrams have links to quickly jump to the corresponding section with the component for easy viewing..

blk/blu wiring diagram (1 of 31)

Volkswagen Beetle A4 (1997-2005) blk/blu wiring diagram (1 of 31)

A/C CLUTCH A/C CUT-OUT THERMAL SWITCH (IN COOLANT FLANGE, REAR OF CYLINDER HEAD) AFTER-RUN COOLANT PUMP BLK WIRE BLK/BLU WIRE BLU/RED 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) FUSE 16 FUSE 164 FUSE 180 FUSE 5 FUSE BRACKET (ON BATTERY COVER) FUSE PANEL (BEHIND LEFT SIDE OF DASH) GRN WIRE GRN/BLK WIRE GRN/WHT WIRE HEATER-A/C CONTROL PANEL HIGH PRESSURE SENSOR HOT AT ALL TIMES 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 THIRD SPEED COOLANT FAN CONTROL RELAY (ON THIRTEEN POSITION AUX RELAY PANEL) VIO/YEL WIRE WHT (OR BLK) WIRE WHT WIRE WHT/BLK WIRE

Go to component -> 1.8l turbo, cooling fan circuit -> BLK/BLU WIRE

blk/blu wiring diagram (2 of 31)

Volkswagen Beetle A4 (1997-2005) blk/blu wiring diagram (2 of 31)

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

Go to component -> 1.8l turbo, manual a/c circuit -> BLK/BLU WIRE

blk/blu wiring diagram (3 of 31)

Volkswagen Beetle A4 (1997-2005) blk/blu wiring diagram (3 of 31)

2.0L A/C CLUTCH BLK WIRE BLK/BLU WIRE BLU WIRE BLU/RED 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) FUSE 16 FUSE 164 FUSE 180 FUSE 5 FUSE BRACKET (ON BATTERY COVER) FUSE PANEL (BEHIND LEFT SIDE OF DASH) GRN WIRE GRN/BLK WIRE HEATER-A/C CONTROL PANEL HIGH PRESSURE SENSOR HOT AT ALL TIMES 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 WHT WIRE

Go to component -> 1.9l turbo diesel, cooling fan circuit -> BLK/BLU WIRE

blk/blu wiring diagram (4 of 31)

Volkswagen Beetle A4 (1997-2005) blk/blu wiring diagram (4 of 31)

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

Go to component -> 1.9l turbo diesel, manual a/c circuit -> BLK/BLU WIRE

blk/blu wiring diagram (5 of 31)

Volkswagen Beetle A4 (1997-2005) blk/blu wiring diagram (5 of 31)

A/C CLUTCH BLK WIRE BLK/BLU WIRE BLU WIRE BLU/RED 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) FUSE 16 FUSE 164 FUSE 180 FUSE 5 FUSE BRACKET (ON BATTERY COVER) FUSE PANEL (BEHIND LEFT SIDE OF DASH) GRN WIRE GRN/BLK WIRE GRN/BLU WIRE HEATER-A/C CONTROL PANEL HIGH PRESSURE SENSOR HOT AT ALL TIMES 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

Go to component -> 2.0l, cooling fan circuit, convertible -> BLK/BLU WIRE

blk/blu wiring diagram (6 of 31)

Volkswagen Beetle A4 (1997-2005) blk/blu wiring diagram (6 of 31)

2.0L A/C CLUTCH BLK WIRE BLK/BLU WIRE BLU WIRE BLU/RED 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) FUSE 16 FUSE 164 FUSE 180 FUSE 5 FUSE BRACKET (ON BATTERY COVER) FUSE PANEL (BEHIND LEFT SIDE OF DASH) GRN WIRE GRN/BLK WIRE HEATER-A/C CONTROL PANEL HIGH PRESSURE SENSOR HOT AT ALL TIMES 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 WHT WIRE

Go to component -> 2.0l, cooling fan circuit, except convertible -> BLK/BLU WIRE

blk/blu wiring diagram (7 of 31)

Volkswagen Beetle A4 (1997-2005) blk/blu wiring diagram (7 of 31)

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

Go to component -> 2.0l, manual a/c circuit, convertible -> BLK/BLU WIRE

blk/blu wiring diagram (8 of 31)

Volkswagen Beetle A4 (1997-2005) blk/blu wiring diagram (8 of 31)

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

Go to component -> 2.0l, manual a/c circuit, except convertible -> BLK/BLU WIRE

blk/blu wiring diagram (9 of 31)

Volkswagen Beetle A4 (1997-2005) blk/blu wiring diagram (9 of 31)

ABS CONTROL MODULE (LEFT SIDE OF ENG COMPT) AIR BAG CONTROL MODULE (ON CENTER FLOOR TUNNEL, BELOW HEATER CORE) BLK WIRE BLK/BLU WIRE BLU WIRE BRN WIRE COMFORT SYSTEM CENTRAL CONTROL MODULE (BELOW LEFT SIDE OF DASH) CONVERTIBLE TOP CONTROL MODULE (RIGHT SIDE OF LUGGAGE COMPT) DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) FUSE 12 FUSE 5 FUSE PANEL (BEHIND LEFT SIDE OF DASH) GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT CLUSTER ORG/BLK WIRE ORG/BRN WIRE RADIO RED WIRE RED/WHT WIRE TRANS- MISSION CONTROL MODULE (BELOW RIGHT SIDE OF DASH,, DEFROSTER DUCT) WHT WIRE WHT/RED WIRE

Go to component -> Data link connector circuit, convertible -> BLK/BLU WIRE

blk/blu wiring diagram (10 of 31)

Volkswagen Beetle A4 (1997-2005) blk/blu wiring diagram (10 of 31)

ABS CONTROL MODULE (LEFT SIDE OF ENG COMPT) AIR BAG CONTROL MODULE (ON CENTER FLOOR TUNNEL, BELOW HEATER CORE) BLK WIRE BLK/BLU WIRE BLU WIRE BRN WIRE COMFORT SYSTEM CENTRAL CONTROL MODULE (BELOW LEFT SIDE OF DASH) DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) FUSE 12 FUSE 5 FUSE PANEL (BEHIND LEFT SIDE OF DASH) GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT CLUSTER ORG/BLK WIRE ORG/BRN WIRE RADIO REAR SPOILER CONTROL MODULE RED WIRE RED/WHT WIRE TRANS- MISSION CONTROL MODULE (BELOW RIGHT SIDE OF DASH,, DEFROSTER DUCT) WHT WIRE WHT/RED WIRE

Go to component -> Data link connector circuit, except convertible -> BLK/BLU WIRE

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