Audi A6 C4 (1994-1997) blu/red Wiring diagrams

ABS CONTROL MODULE (BELOW LEFT REAR SEAT) ABS HYDRAULIC UNIT (LEFT FIREWALL) ABS RETURN FLOW PUMP ABS RETURN FLOW PUMP RELAY ABS SOLENOID RELAY ABS WARNING BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BRAKE LAMP SWITCH BRN WIRE BRN/BLK WIRE BRN/YEL WIRE CENTRAL ELECTRIC PANEL DATA LINK CONNECTOR (ON AUXILIARY RELAY PANEL 1) DIFFERENTIAL LOCK CONTROL MODULE DIFFERENTIAL LOCK SWITCH DISPLAY UNIT FR ABS SOLENOID VALVES FUSE 14 FUSE 15 FUSE 21 FUSE 9 FUSE PANEL GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRY WIRE GRY/VIO WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT IN ON OR START IND INSTRUMENT CLUSTER LEFT FRONT WHEEL SENSOR LEFT REAR WHEEL SENSOR NCA WIRE REAR DIFF LOCK IND REAR DIFFERENTIAL LOCK SWITCH RED WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT WHEEL SENSOR SPEEDOMETER VIO/BLK WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE

1995 VFTC A/C CONTROL UNIT AIR FLOW FLAP AUXILIARY RELAY PANEL 2 BATTERY(30) BLK BRN/ WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/RED WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CENTRAL FLAP COOLANT 2-WAY VALVE DATA LINK CONNECTOR FOOTWELL/ DEFROSTER FUSE FUSE 11 FUSE 15 FUSE 42 FUSE 7 FUSE/ RELAY PANEL GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ LIGHTS ON HOT W/ LOAD REDUCTION RELAY ENERGIZED (X) IGNITION(15) INTERIOR TEMPERATURE FAN, SENSOR RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE TEMP REGULATOR FLAP MOTOR TRANSMISSION CONTROL MODULE (A/T) VIO WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/WHT WIRE

1995 VFTC A/C COMPRESSOR A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH RELAY A/C REFRIGERANT HIGH PRESSURE SWITCH A/C REFRIGERANT LOW PRESSURE SWITCH AMBIENT TEMPERATURE SENSOR BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/RED WIRE BLOWER MOTOR BLU WIRE BLU/GRN WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE COOLANT FAN CONTROL RELAY COOLANT FAN CONTROL THERMO SWITCH COOLANT FAN RESISTOR COOLANT FANS DIGITAL OUTSIDE AIR TEMPERATURE DISPLAY ELECTRONIC THERMO SWITCH ENGINE CONTROL UNIT FRESH AIR BLOWER CONTROL MODULE FRESH AIR INTAKE DUCT TEMPERATURE FRESH AIR RECIRCULATING FLAP VALVE FRESH AIR TEMPERATURE GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE INSTRUMENT CLUSTER LOW COOLANT SWITCH PROTECTION DIODE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE SECOND SPEED COOLANT FAN CONTROL RELAY SENSOR SPEED SENSOR TEMPERATURE SENSOR, HEADLINER TRANSMISSION CONTROL MODULE (A/T) WHT/BLU WIRE WHT/GRN WIRE YEL WIRE

1995 VFTC A/C CONTROL UNIT AIR FLOW FLAP AUXILIARY RELAY PANEL 2 BATTERY(30) BLK BRN/ WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/RED WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CENTRAL FLAP COOLANT 2-WAY VALVE DATA LINK CONNECTOR FOOTWELL/ DEFROSTER FUSE FUSE 11 FUSE 15 FUSE 42 FUSE 7 FUSE/ RELAY PANEL GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ LIGHTS ON HOT W/ LOAD REDUCTION RELAY ENERGIZED (X) IGNITION(15) INTERIOR MONITORING SENSOR CONTROL MODULE INTERIOR TEMPERATURE FAN, SENSOR RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE TEMP REGULATOR FLAP MOTOR TRANSMISSION CONTROL MODULE (A/T) VIO WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/WHT WIRE

1995 VFTC A/C COMPRESSOR A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH RELAY A/C REFRIGERANT HIGH PRESSURE SWITCH A/C REFRIGERANT LOW PRESSURE SWITCH AMBIENT TEMPERATURE SENSOR BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/RED WIRE BLOWER MOTOR BLU WIRE BLU/GRN WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE COOLANT FAN CONTROL RELAY COOLANT FAN CONTROL THERMO SWITCH COOLANT FANS DIGITAL OUTSIDE AIR TEMPERATURE DISPLAY ELECTRONIC THERMO SWITCH ENGINE CONTROL UNIT FRESH AIR BLOWER CONTROL MODULE FRESH AIR INTAKE DUCT TEMPERATURE FRESH AIR RECIRCULATING FLAP VALVE FRESH AIR TEMPERATURE GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE INSTRUMENT CLUSTER INTERIOR MONITORING SENSOR CONTROL MODULE LOW COOLANT SWITCH COOLANT FAN RESISTOR PROTECTION DIODE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE SECOND SPEED COOLANT FAN CONTROL RELAY SENSOR SPEED SENSOR SPEEDOMETER TEMPERATURE SENSOR, HEADLINER TRANSMISSION CONTROL MODULE (A/T) WHT WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE

A/C CONTROL UNIT A/C REFRIGERANT HIGH PRESSURE AUXILIARY RELAY PANEL 2 BLU/RED WIRE BRN WIRE BRN/BLU WIRE BRN/WHT WIRE COOLANT FAN CONTROL RELAY COOLANT FAN CONTROL THERMO SWITCH COOLANT FAN RESISTOR COOLANT FANS FUSE 11 FUSE 42 FUSE/ RELAY PANEL HOT AT ALL TIMES HOT W/ LOAD REDUCTION RELAY ENERGIZED (X) RED WIRE RED/BLU WIRE RED/WHT WIRE SECOND SPEED COOLANT FAN CONTROL RELAY SWITCH

A/C CONTROL HEAD OUTSIDE AIR TEMP. DISPLAY A/T A/T ONLY BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRAKE LIGHT SWITCH BRAKE VACUUM VENT VALVE SWITCH BRN WIRE CLUTCH VACUUM VENT VALVE SWITCH CONNECTOR STATION 1 CRUISE CONTROL MODULE CRUISE CONTROL SWITCH CRUISE CONTROL VACUUM PUMP FUSE FUSE PANEL GRN WIRE GRN/BLU WIRE HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT CLUSTER M/T M/T ONLY NCA WIRE RADIO RED WIRE RED/GRN WIRE SERVOTRONIC CONTROL MODULE SPEEDO- METER VEHICLE SPEED OUTPUT TEST CONNECTOR (NEAR CRUISE CONTROL MODULE) TRANSMISSION CONTROL MODULE VIO WIRE WHT WIRE WHT/BLU WIRE YEL WIRE

BAT(30) BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE CAMSHAFT POSITION SENSOR CENTRAL ELECTRIC PANEL CLOSED THROTTLE POSITION SWITCH/ THROTTLE POSITION SENSOR CRANKSHAFT POSITION SENSOR DATA LINK CONNECTOR (BEHIND CONSOLE) DATA LINK CONNECTOR (RAPID DATA TRANSFER) EGR TEMPERATURE SENSOR ELECTRONIC BOX FUSE 103 ENGINE COOLANT TEMPERATURE SENSOR ENGINE SPEED SENSOR GRN WIRE GRN/GRY WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/RED WIRE GRY/YEL WIRE IGN (15) IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 INSTRUMENT CLUSTER INSTRUMENT CLUSTER COMBINATION PROCESSOR INTAKE MANIFOLD CHANGE-OVER VALVE KNOCK SENSOR #1 (RIGHT I/P) KNOCK SENSOR #2 MASS AIR FLOW SENSOR MFI ENGINE CONTROL MODULE NCA WIRE OXYGEN SENSOR 2 OXYGEN SENSOR 1 POWER OUTPUT STAGE RED WIRE RED/BLK WIRE SHIELD 1 2 3 4 5 6 7 SOLID STATE SPARK PLUGS 1, 6 SPARK PLUGS 2, 4 SPARK PLUGS 3, 5 SPEEDO- METER VEHICLE SPEED SENSOR SPEEDOMETER TACHOMETER VIO WIRE WHT WIRE YEL WIRE YEL/GRN WIRE YEL/RED WIRE YEL/WHT WIRE

#5 #4 #3 #2 #1 ABS CONTROL MODULE BAT(30) BLK WIRE BLK/GRN WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/RED WIRE BLU/VIO WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CENTRAL ELECTRIC PANEL COMPUTER DISPLAY UNIT DTI EGR VACUUM REGULATOR SOLENOID VALVE ELECTRONIC BOX EVAPORATIVE EMISSION CANISTER PURGE REGULATOR VALVE EVAPORATIVE EMISSION SENSOR FUEL INJECTORS FUEL PUMP FUEL PUMP RELAY FUSE 72 FUSE 73 FUSE BLOCK FUSE 17 GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT IN ON OR START FUSE BLOCK FUSE 14 IDLE AIR CONTROL VALVE IGN(15) MAL- FUNCTION INDICATOR LAMP (MIL) A/C CONTROL HEAD MFI ENGINE CONTROL MODULE NCA WIRE OXYGEN SENSOR 1 HEATER OXYGEN SENSOR 1 HEATER, B/H TWC OXYGEN SENSOR 1, B/H TWC OXYGEN SENSOR 2 HEATER OXYGEN SENSOR 2 HEATER, B/H TWC OXYGEN SENSOR 2, B/H TWC RED WIRE SHIELD 1 2 3 4 5 6 7 VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/RED WIRE YEL/WHT WIRE

1 2 3 4 5 6 7 8 9 SHIELD BAT(30) BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/RED WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE CAMSHAFT POSITION SENSOR CENTRAL ELECTRIC PANEL CLOSED THROTTLE POSITION SWITCH/ THROTTLE POSITION SENSOR CRANKSHAFT POSITION SENSOR DATA LINK CONNECTOR (BEHIND CONSOLE) DATA LINK CONNECTOR (RAPID DATA TRANSFER) EGR TEMPERATURE SENSOR ELECTRONIC BOX FUSE 103 ENGINE COOLANT TEMPERATURE SENSOR ENGINE SPEED SENSOR GRN WIRE GRN/GRY WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/RED WIRE GRY/YEL WIRE IGN (15) IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 INSTRUMENT CLUSTER INSTRUMENT CLUSTER COMBINATION PROCESSOR INTAKE CHANGE- OVER VALVE KNOCK SENSOR #1 (RIGHT I/P) KNOCK SENSOR #2 MASS AIR FLOW SENSOR MFI ENGINE CONTROL MODULE NCA WIRE OXYGEN SENSOR 1 OXYGEN SENSOR 2 POWER OUTPUT STAGE RED WIRE RED/BLK WIRE SOLID STATE SPARK PLUGS 1, 6 SPARK PLUGS 2, 4 SPARK PLUGS 3, 5 SPEEDO- METER VEHICLE SPEED SENSOR SPEEDOMETER TACHOMETER TRANSMISSION CONTROL MODULE (W/ A/T) VIO WIRE VIO/BLK WIRE WHT WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/RED WIRE YEL/WHT WIRE