Audi A4 B7 (2004-2009) light switch Wiring diagrams

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BRAKE LIGHT SWITCH BRN WIRE COMPUTER DATA LINES SYSTEM EMERGENCY FLASHER SWITCH FUSE 13 FUSE 14 FUSE 17 FUSE 88 FUSE HOLDER FUSE STRIP (MAIN FUSE) GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRY WIRE GRY/BLK WIRE GRY/RED WIRE HEADLIGHTS SYSTEM HIGH MOUNT BRAKE LIGHT HOT AT ALL TIMES IGNITION/ STARTER SWITCH LEFT HEADLIGHT ASSEMBLY LEFT SIDE TURN SIGNAL LIGHT LEFT TAIL/ FOG LAMP ASSY RIGHT TAIL/ FOG LAMP ASSY LEFT TURN/ STOP/BACK-UP LAMP ASSY RIGHT TURN/ STOP/BACK-UP LAMP ASSY LICENSE PLATE LIGHTS LIGHT SWITCH LOCK ON NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/BRN WIRE ORG/GRN WIRE RAIN/LIGHT RECOGNITION SENSOR (TOP OF WINDSHELD, IN REARVIEW MIRROR ASSEMBLY) RED WIRE RED/BLK WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT HEADLIGHT ASSEMBLY RIGHT SIDE TURN SIGNAL LIGHT TAIL TAIL TURN PARK TURN SIGNAL SWITCH TURN STOP VEHICLE ELECTRICAL SYSTEM CONTROL MODULE (AT LEFT SIDE OF DASH) VIO WIRE VIO/YEL WIRE WHT WIRE WIPER/ WASHER SYSTEM YEL WIRE YEL/BLK WIRE YEL/BLU WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BRAKE LIGHT SWITCH BRN WIRE COMPUTER DATA LINES SYSTEM EMERGENCY FLASHER SWITCH FUSE 13 FUSE 14 FUSE 17 FUSE 88 FUSE HOLDER FUSE STRIP (MAIN FUSE) GRN WIRE GRN/BLK WIRE GRY WIRE GRY/BLK WIRE GRY/RED WIRE HEADLIGHTS SYSTEM HIGH MOUNT BRAKE LIGHT HOT AT ALL TIMES IGNITION/ STARTER SWITCH LEFT HEADLIGHT ASSEMBLY LEFT SIDE TURN SIGNAL LIGHT LEFT TAILLAMP ASSEMBLY LICENSE PLATE LIGHTS LIGHT SWITCH LOCK ON NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/BRN WIRE ORG/GRN WIRE RAIN/LIGHT RECOGNITION SENSOR (TOP OF WINDSHIELD, IN REARVIEW MIRROR ASSEMBLY) RED WIRE RED/BLK WIRE RED/VIO WIRE RED/YEL WIRE RIGHT HEADLIGHT ASSEMBLY RIGHT SIDE TURN SIGNAL LIGHT RIGHT TAILLAMP ASSEMBLY TAIL TAIL STOP/ TURN TURN PARK TURN SIGNAL SWITCH VEHICLE ELECTRICAL SYSTEM CONTROL MODULE (AT LEFT SIDE OF DASH) VIO WIRE VIO/YEL WIRE WIPER/ WASHER SYSTEM YEL WIRE YEL/BLK WIRE YEL/BLU WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BRAKE LIGHT SWITCH BRN WIRE COMPUTER DATA LINES SYSTEM EMERGENCY FLASHER SWITCH FUSE 13 FUSE 14 FUSE 17 FUSE 88 FUSE HOLDER FUSE STRIP (MAIN FUSE) GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRY WIRE GRY/BLK WIRE GRY/RED WIRE HEADLIGHTS SYSTEM HIGH MOUNT BRAKE LIGHT HOT AT ALL TIMES IGNITION/ STARTER SWITCH LEFT HEADLIGHT ASSEMBLY LEFT SIDE TURN SIGNAL LIGHT LEFT TAILLAMP ASSEMBLY LICENSE PLATE LIGHTS LIGHT SWITCH LOCK ON NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/BRN WIRE ORG/GRN WIRE RAIN/LIGHT RECOGNITION SENSOR (TOP OF WINDSHIELD, IN REARVIEW MIRROR ASSEMBLY) RED WIRE RED/BLK WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT HEADLIGHT ASSEMBLY RIGHT SIDE TURN SIGNAL LIGHT RIGHT TAILLAMP ASSEMBLY TAIL TURN STOP TURN PARK TURN SIGNAL SWITCH TURN TAIL STOP VEHICLE ELECTRICAL SYSTEM CONTROL MODULE (AT LEFT SIDE OF DASH) VIO WIRE VIO/YEL WIRE WHT WIRE WIPER/ WASHER SYSTEM YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE

AMBIENT ILLUMINATION DEACTIVATION AVANT BLK WIRE BLK/BLU WIRE BLU WIRE BLU/RED WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DAY TIME RUNNING LIGHT DRL DISABLE DYNAMIC CORNERING LIGHT MOTOR EXCEPT CONVERTIBLE CONVERTIBLE EXCEPT CONVERTIBLE W/O LIGHT SENSOR FOG LIGHT SWITCH GRN WIRE GRN/RED WIRE GRY WIRE GRY/BLU WIRE GRY/VIO WIRE GRY/WHT WIRE HEADLAMP ADJUSTER HEADLIGHT SWITCH HIGH INTENSITY GAS DISCHARGE LAMP HIGH INTENSITY GAS DISCHARGE LAMP CONTROL MODULE HIGH/ LOW BEAM SWITCH- OVER SOLENOID LIGHT SWITCH NCA WIRE ORG/BLK WIRE ORG/BRN WIRE ORG/GRN WIRE RED WIRE RIGHT FRONT FOG LIGHT RIGHT HEADLIGHT ASSEMBLY RIGHT REAR FOG LIGHT (EXCEPT CONVERTIBLE) TURN SIGNAL SWITCH (HEADLIGHT DIMMER/FLASHER SWITCH) VIO WIRE VIO/GRN WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

AMBIENT ILLUMINATION DEACTIVATION AVANT BLK WIRE BLK/BLU WIRE BLU WIRE BLU/RED WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DAY TIME RUNNING LIGHT DRL DISABLE EXCEPT CONVERTIBLE CONVERTIBLE EXCEPT CONVERTIBLE W/O LIGHT SENSOR FOG LIGHT SWITCH GRN WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HEADLAMP ADJUSTER HEADLIGHT BEAM ADJUSTING MOTOR HEADLIGHT SWITCH HIGH INTENSITY GAS DISCHARGE LAMP HIGH INTENSITY GAS DISCHARGE LAMP CONTROL MODULE HIGH/ LOW BEAM SWITCH- OVER SOLENOID LIGHT SWITCH NCA WIRE ORG/BLK WIRE ORG/BRN WIRE ORG/GRN WIRE RED WIRE RIGHT FRONT FOG LIGHT RIGHT HEADLIGHT ASSEMBLY RIGHT REAR FOG LIGHT TURN SIGNAL SWITCH (HEADLIGHT DIMMER/FLASHER SWITCH) EXTERIOR LIGHTS SYSTEM VIO WIRE VIO/GRN WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

3 1 AVANT SEDAN AVANT BATTERY BLK WIRE BLK/BLU WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM EXCEPT CONVERTIBLE EXCEPT CONVERTIBLE W/O LIGHT SENSOR FOG LIGHT SWITCH FUSE 1 FUSE 17 FUSE 19 FUSE HOLDER FUSE STRIP (MAIN FUSE) FUSE 88 GRN WIRE GRY WIRE GRY/VIO WIRE GRY/WHT WIRE HEADLIGHT SWITCH HIGH BEAM HOT AT ALL TIMES LEFT FRONT FOG LIGHT LEFT HEADLIGHT ASSEMBLY LEFT REAR FOG LIGHT (EXCEPT CONVERTIBLE) LIGHT SWITCH LOW BEAM NCA WIRE ORG/BRN WIRE ORG/GRN WIRE POWER DISTRIBUTION SYSTEM RAIN/LIGHT RECOGNITION SENSOR (TOP OF WINDSHIELD, IN REARVIEW MIRROR ASSEMBLY) RED WIRE RIGHT FRONT FOG LIGHT RIGHT HEADLIGHT ASSEMBLY RIGHT REAR FOG LIGHT (EXCEPT CONVERTIBLE) TURN SIGNAL SWITCH (HEADLIGHT DIMMER/FLASH SWITCH) VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VIO WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

ANTI-SLIP CONTROL SWITCH ASHTRAY LIGHT BATTERY BLK WIRE BLU WIRE BRN WIRE CENTER ARMREST ILLUMI- NATION CENTER INSTRUMENT PANEL VENT ILLUMI- NATION CIGARETTE LIGHTER COIN HOLDER ILLUMI- NATION COMPUTER DATA LINES SYSTEM CONVERTIBLE TOP SWITCH ILLUMI- NATION CUP HOLDER ILLUMI- NATION EMERGENCY FLASHER SWITCH ILLUMINATION FUSE 1 FUSE 17 FUSE STRIP (MAIN FUSE) FUSE 88 GARAGE DOOR OPENER CONTROL HEAD GRN WIRE GRY WIRE HEADLAMP ADJUSTER BUTTON ILLUMI- NATION HEADLIGHTS SYSTEM HOT AT ALL TIMES FUSE HOLDER INSTRUMENT CLUSTER LEFT INSTRUMENT PANEL VENT ILLUMI- NATION LIGHT SWITCH NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/BRN WIRE ORG/GRN WIRE PARKING AID LAMP SWITCH POWER DISTRIBUTION SYSTEM RADIO CONNECTOR RAIN/LIGHT RECOGNITION SENSOR REAR CENTER ASHTRAY ILLUMI- NATION RED WIRE RED/VIO WIRE RIGHT INSTRUMENT PANEL VENT ILLUMI- NATION SOCKET SPORT PROGRAM BUTTON ILLUMI- NATION STEERING WHEEL (TIPTRONIC SHIFT BUTTONS ILLUMINATION) STORAGE COMPT ILLUMI- NATION SYSTEM BUTTON ILLUMI- NATION VIO WIRE VIO/YEL WIRE WHT WIRE YEL WIRE YEL/BLU WIRE

ANTI-SLIP CONTROL SWITCH ASHTRAY LIGHT BATTERY BLK WIRE BLU WIRE BRN WIRE CENTER ARMREST ILLUMI- NATION CENTER INSTRUMENT PANEL VENT ILLUMI- NATION CIGARETTE LIGHTER COIN HOLDER ILLUMI- NATION COMFORT SYSTEM CENTRAL CONTROL MODULE COMPUTER DATA LINES SYSTEM COURTESY LAMPS CIRCUIT CUP HOLDER ILLUMI- NATION EMERGENCY FLASHER SWITCH ILLUMINATION FUSE 1 FUSE 17 FUSE STRIP (MAIN FUSE) FUSE 88 GARAGE DOOR OPENER CONTROL HEAD GRN WIRE GRY WIRE GRY/BLU WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES FUSE HOLDER INSTRUMENT CLUSTER LEFT INSTRUMENT PANEL VENT ILLUMI- NATION LEFT REAR DOOR OPENER LIGHTING (EXCEPT W/ REAR POWER WINDOWS) LEFT REAR HEATED SEAT CONTROL MODULE LIGHT SWITCH LUGGAGE COMPT LIGHT (AVANT) NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/BRN WIRE ORG/GRN WIRE PARKING AID LAMP POWER DISTRIBUTION SYSTEM RADIO CONNECTOR (RIGHT "B" (RIGHT "B" PILLAR) PILLAR) RAIN/LIGHT RECOGNITION SENSOR REAR CENTER ASHTRAY ILLUMI- NATION REAR WINDOW SHADE SWITCH RED WIRE RED/VIO WIRE RIGHT INSTRUMENT PANEL VENT ILLUMI- NATION RIGHT REAR DOOR OPENER LIGHTING (EXCEPT W/ REAR POWER WINDOWS) RIGHT REAR HEATED SEAT CONTROL MODULE SOCKET STEERING WHEEL (MULTIFUNCTION BUTTONS ILLUMINATION) STORAGE COMPT ILLUMI- NATION VIO WIRE VIO/YEL WIRE WHT WIRE YEL WIRE YEL/BLU WIRE

A/T AFTER- ABS CONTROL MODULE (W/ EDL) ABS CONTROL MODULE FUSE 1 FUSE 123 AIR QUALITY LEFT SENSOR, HEADLIGHT HIGH PRESSURE ASSEMBLY SENSOR BATTERY BLK WIRE BLU WIRE BRN WIRE CIGARETTE LIGHTER CLIMATRONIC CONTROL MODULE CONVER- TIBLE TOP OPERATION FUSE CONVERTIBLE TOP CONTROL MODULE TELEPHONE TRANSCEIVER DRIVER SIDE DOOR CONTROL MODULE FUSE FUSE 1 FUSE 10 FUSE 11 FUSE 17 FUSE 22 FUSE 3 FUSE 43 FUSE 31 FUSE 16 FUSE 33 FUSE 34 FUSE 36 FUSE 37 FUSE 5 FUSE 7 FUSE 6 FUSE 18 FUSE 8 FUSE 30 FUSE HOLDER FUSE STRIP (MAIN FUSE) FUSE 88 GARAGE DOOR OPENER CONTROL HEAD, GARAGE DOOR OPENER CONTROL MODULE GRN WIRE GRY WIRE IGNITION/STARTER SWITCH INSTRUMENT CLUSTER INSTRUMENT CLUSTER, STEERING COLUMN ELECTRONIC SYSTEMS CONTROL MODULE LIGHT SWITCH LIGHT SWITCH SYSTEM BUTTON LIGHT SWITCH, VEHICLE ELECTRICAL SYSTEM CONTROL MODULE, LEFT HEADLIGHT ASSEMBLY LOAD REDUCTION RELAY (LEFT SIDE OF DASH) LOCK ON NCA WIRE PASSENGER SIDE DOOR CONTROL MODULE RED WIRE RED/YEL WIRE RUN WIRE SOCKET SPORT PROGRAM BUTTON STARTER GENERATOR STARTER RELAY, STARTER RELAY 2 STARTING INTERLOCK RELAY, SUPPRESSOR, ENGINE CONTROL MODULE STEERING COLUMN ELECTRONIC SYSTEMS CONTROL MODULE TO COOLANT FAN FUSE (DIAGRAM 2 OF 2) TO FUSE HOLDER (DIAGRAM 2 OF 2) TO POWER SEAT FUSE 45 (DIAGRAM 2 OF 2) TO POWER WINDOW FUSE (DIAGRAM 2 OF 2) TO WINDOW REGULATOR FUSE (DIAGRAM 2 OF 2) VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VIO WIRE WASHER NOZZLE HEATER (LEFT/RIGHT) YEL WIRE YEL/BLK WIRE

A/T AFTER- RUN FUSE ABS CONTROL MODULE (W/EDL) ABS CONTROL MODULE FUSE 1 AIR QUALITY SENSOR, HIGH PRESSURE SENSOR ALARM HORN, COMFORT SYSTEM CENTRAL CONTROL MODULE BATTERY BLK WIRE BLU WIRE BRN WIRE CIGARETTE LIGHTER CLIMATRONIC CONTROL MODULE DRIVER SIDE DOOR CONTROL MODULE E-BOX RELAY CARRIER (REAR OF ENGINE COMPT) ENGINE COMPT POWER SUPPLY RELAY TRANSMISSION CONTROL MODULE (TCM) (6-SPEED) ENGINE CONTROL MODULE (ECM) ENGINE CONTROL MODULE (ECM) POWER SUPPLY RELAY ESP SENSOR UNIT, BRAKE LIGHT SWITCH, ABS CONTROL MODULE (W/EDL) FRONT PASSENGER SIDE DOOR CONTROL MODULE FUSE 1 FUSE 10 FUSE 123 FUSE 16 FUSE 11 FUSE 22 FUSE 31 FUSE 6 FUSE 33 FUSE 36 FUSE 37 FUSE 38 FUSE 43 FUSE 3 FUSE 18 FUSE 5 FUSE 7 FUSE 8 FUSE 30 FUSE 88 FUSE HOLDER FUSE HOLDER (LEFT END OF DASH) FUSE STRIP (MAIN FUSE) GARAGE DOOR OPENER CONTROL HEAD, GARAGE DOOR OPENER CONTROL MODULE GENERATOR STARTER GRN WIRE GRY WIRE IGNITION/STARTER SWITCH INSTRUMENT CLUSTER LEFT HEADLAMP POWER OUTPUT STAGE LIGHT SWITCH LOAD REDUCTION RELAY (LEFT SIDE OF DASH) LOCK LOCK ON NCA WIRE POWER SUNROOF CONTROL MODULE REAR SHADE CIRCUIT BREAKER REAR WINDOW SHADE CONTROL MODULE REAR WINDSHIELD WIPER MOTOR (AVANT) RED WIRE RED/YEL WIRE SERVOTRONIC CONTROL MODULE STARTER RELAY STARTER, STARTING INTERLOCK RELAY, CLUTCH PEDAL STARTER INTERLOCK SWITCH STEERING COLUMN ELECTRONIC SYSTEMS CONTROL MODULE TELEPHONE AMPLIFIER TELEPHONE TRANSCEIVER TO COOLANT FAN FUSE (DIAGRAM 2 OF 2) TO DRIVER'S POWER SEAT ADJUSTMENT CIRCUIT BREAKER 2 (DIAGRAM 2 OF 2) TO FUSE HOLDER (DIAGRAM 2 OF 2) TO POWER WINDOW FUSE (DIAGRAM 2 OF 2) VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VIO WIRE WASHER NOZZLE HEATER (LEFT/RIGHT) WHT WIRE YEL WIRE YEL/BLK WIRE