Audi A4 B5 facelift (1999-2001) blu/red Wiring diagrams

1 2 3 4 5 6 7 8 9 10 (NAVIGATION ONLY) ANTENNA ANTI-THEFT SYSTEM AUTO CHECK SYSTEM BLK WIRE BLK/RED WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/RED WIRE COMBINATION PROCESSOR COMPUTER DATA LINES SYSTEM FUSE 37 FUSE 5 FUSE PANEL (ON LEFT END OF DASH) GRN WIRE GRN/BLU WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT IN RUN OR START INSTRUMENT CLUSTER LEFT FREQUENCY CROSSOVER LEFT FRONT SPEAKER LEFT FRONT WOOFER, MIDRANGE SPEAKER LEFT REAR MIDRANGE SPEAKER MULTIFUNCTION STEERING WHEEL CONTROL MODULE NAVIGATION CONTROL MODULE (IF EQUIPPED) NCA WIRE RADIO REAR WINDOW DEFOGGER SWITCH REAR WINDOW DEFOGGER/ WINDOW ANTENNA (W/ SYMPHONY RADIO) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL (OR WHT/YEL) WIRE RED/YEL WIRE RIGHT FREQUENCY CROSSOVER RIGHT FRONT SPEAKER RIGHT FRONT WOOFER, MIDRANGE SPEAKER RIGHT REAR MIDRANGE SPEAKER RIGHT REAR WOOFER/ AMPLIFIER TELEPHONE TRANSCEIVER TV ANTENNA AMPLIFIER 2 TV ANTENNA AMPLIFIER 3 TV ANTENNA AMPLIFIER 4 VIO/GRY WIRE W/ AUTO CHECK SYSTEM W/ SYMPHONY RADIO WHT WIRE WHT/BLU WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 (NAVIGATION ONLY) ANTENNA AMPLIFIER ANTI-THEFT SYSTEM AUTO CHECK SYSTEM BLK WIRE BLK/RED WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/RED WIRE CD CHANGER UNIT COMBINATION PROCESSOR COMPUTER DATA LINES SYSTEM FUSE 37 FUSE 5 FUSE PANEL (ON LEFT END OF DASH) GRN WIRE GRN/BLU WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT IN RUN OR START INSTRUMENT CLUSTER LEFT FREQUENCY CROSSOVER TELEPHONE TRANSCEIVER LEFT FRONT MIDRANGE SPEAKER LEFT FRONT WOOFER LEFT REAR MIDRANGE, WOOFER SPEAKERS MULTIFUNCTION STEERING WHEEL CONTROL MODULE NAVIGATION CONTROL MODULE (IF EQUIPPED) NCA WIRE RADIO REAR WINDOW DEFOGGER SWITCH REAR WINDOW DEFOGGER/ WINDOW ANTENNA (W/ CONCERT RADIO) REAR WINDOW DEFOGGER/ WINDOW ANTENNA (W/ SYMPHONY RADIO) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL (OR WHT/YEL) WIRE RED/YEL WIRE RIGHT FRONT MIDRANGE SPEAKER RIGHT FRONT WOOFER RIGHT REAR WOOFER, MIDRANGE SPEAKERS TV ANTENNA AMPLIFIER 1 TV ANTENNA AMPLIFIER 2 TV ANTENNA AMPLIFIER 3 TV ANTENNA AMPLIFIER 4 VIO WIRE VIO/GRY WIRE W/ AUTO CHECK SYSTEM W/ CONCERT RADIO W/ SYMPHONY RADIO WHT WIRE WHT/BLU WIRE YEL WIRE

ALARM HORN ANTENNA AVANT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/WHT (OR BRN/BLK) WIRE BRN/WHT WIRE BRN/YEL WIRE CLUTCH PEDAL POSITION SWITCH (M/T) DOOR LOCK SWITCH EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM FUSE FUSE PANEL (ON LEFT END OF DASH) FUSE GRN WIRE GRN/BLU WIRE GRN/RED WIRE GRN/YEL WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT IN START, RUN IGNITION SWITCH INSTRUMENT CLUSTER KEY SWITCH LEFT DOOR WARNING LIGHT LUGGAGE COMPT LIGHT MULTI- FUNCTION TRANSMISSION SWITCH (A/T) NCA WIRE PARK/ NEUTRAL POSITION RELAY POWER WINDOWS SYSTEM POWER WINDOWS SYSTEM INTERIOR LIGHTS SYSTEM RADIO RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RIGHT DOOR WARNING LIGHT TAILGATE RELEASE SYSTEMS TRUNK LID ALARM SWITCH TRUNK LID RELEASE SWITCH VIO/BLU WIRE WARNING LIGHT CONTROL MODULE WHT WIRE WHT/BLU WIRE WITH REMOTE CONTROL YEL WIRE YEL/BLU WIRE YEL/RED WIRE

AUTO CHECK SYSTEM (PART OF INSTRUMENT CLUSTER) BLK WIRE BLK/RED WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/WHT WIRE BRN/YEL WIRE DRIVER'S DOOR CONTACT SWITCH DRIVER'S DOOR HANDLE ALARM SWITCH GRN WIRE GRN/BLU WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE GRY/WHT WIRE GRY/YEL WIRE HOOD ALARM SWITCH INSTRUMENT CLUSTER SYSTEM INTERIOR MONITOR SWITCH LEFT REAR BROKEN GLASS SENSOR LEFT REAR DOOR CONTACT SWITCH LEFT ULTRA- SOUND SENSOR PASSENGER'S DOOR CONTACT SWITCH PASSENGER'S DOOR HANDLE ALARM SWITCH REAR WINDOW DEFOGGER RED WIRE RED/BLU WIRE RED/BRN WIRE RIGHT REAR BROKEN GLASS SENSOR RIGHT REAR DOOR CONTACT SWITCH RIGHT ULTRA- SOUND SENSOR TRUNK LOCK ALARM SWITCH ULTRA SOUND SENSOR CONTROL MODULE (BELOW CENTER OF REAR SEAT) VIO WIRE W/ AUTO CHECK SYSTEM W/O AUTO CHECK SYSTEM WHT WIRE YEL WIRE

48 49-50 51 52 53 54 55 56-84 85 86 87 88 ANTI-LOCK BRAKE SYSTEM ANTI-LOCK BRAKES SYSTEM (W/ ASC) BLK WIRE BLK/ BLU WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/RED WIRE BLU/GRY WIRE BLU/RED WIRE BRAKELIGHT SWITCH (ON BRAKE PEDAL SUPPORT BRACKET) BRN WIRE BRN/BLU WIRE BRN/WHT WIRE BRN/YEL WIRE CENTRAL ELECTRIC PANEL (LEFT SIDE OF DASH) CRUISE CONTROL SYSTEM DATA LINK CONNECTOR (DLC) (REAR OF CENTER CONSOLE) ENGINE CONTROL MODULE (ECM) (LEFT REAR CORNER OF ENG COMPT) FUSE 13 FUSE 231 FUSE PANEL (LEFT SIDE OF DASH) GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE HOT AT ALL TIMES HOT IN ON OR START IGNITION SWITCH TERMINAL 50 (HOT IN START) INSTRUMENT CLUSTER SYSTEM KICKDOWN SWITCH (ON THROTTLE HOUSING) MULTIFUNCTION TRANSMISSION RANGE (TR) SWITCH NCA WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE SHIFT LOCK SOLENOID SOLENOID VALVES VALVE BODY STARTER INTERLOCK ALARM SYSTEM RELAY STARTER TERMINAL 50 STEERING WHEEL) TRANSMISSION CONTROL MODULE (TCM) (FWD OF PASS SEAT) TRANSMISSION FLUID TEMPERATURE SENSOR TRANSMISSION INPUT SPEED SENSOR TRANSMISSION RANGE (TR) SELECTOR LEVER DISPLAY TRANSMISSION VEHICLE SPEED SENSOR VIO WIRE VIO/BLK WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/RED WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/RED WIRE YEL/WHT WIRE

A/T AUTOMATIC DAY/NIGHT MIRROR BACK-UP LIGHT SWITCH BLK WIRE BLK/BLU WIRE BLU WIRE BLU/RED WIRE BRN WIRE DRIVER'S SIDE MIRROR FUSE 31 FUSE PANEL (ON LEFT END OF DASH) GRN WIRE HOT IN RUN OR START M/T MULTIFUNCTION TRANSMISSION RANGE SWITCH PASSENGER'S SIDE MIRROR RED WIRE VIO WIRE WHT WIRE YEL WIRE

AUTO CHECK SYSTEM BLK WIRE BLK/RED WIRE BLU WIRE BLU/RED WIRE BLU/YEL WIRE BOARD COMPUTER FUNCTION SELECTOR SWITCH BRN WIRE COMBINATION PROCESSOR COMPUTER DATA LINES SYSTEM FUSE 15 FUSE 31 FUSE 5 FUSE PANEL GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT IN RUN OR START INSTRUMENT CLUSTER M/T A/T NAVIGATION CONTROL MODULE NAVIGATION SYSTEM ANTENNA NCA WIRE RADIO RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE TELEPHONE TRANSCEIVER VIO/GRY WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE

AVANT BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/RED WIRE BLU/VIO WIRE BRAKE FLUID LEVEL WARNING SWITCH BRN WIRE EXCEPT AVANT FUSE FUSE FUSE FUSE PANEL (ON LEFT END OF DASH) GRN/VIO WIRE GRN/YEL WIRE HEAD HEADLIGHT DIMMER/ FLASHER SWITCH HEADLIGHT WASHER PUMP HOT AT ALL TIMES HOT IN INSTRUMENT CLUSTER LEFT WASHER NOZZLE HEATER (OPTIONAL) LOAD REDUCTION RELAY MICRO CENTRAL ELECTRIC PARK OFF HOT IN RUN REAR WINDOW WIPER MOTOR (AVANT) RED WIRE RED/VIO WIRE RIGHT WASHER NOZZLE HEATER (OPTIONAL) RUN WIRE WASHER SWITCH WHT/BLU WIRE WHT/YEL WIRE WINDSHIELD WASHER PUMP WINDSHIELD WIPER INTERMITTENT REGULATOR WINDSHIELD WIPER INTERMITTENT SWITCH WINDSHIELD WIPER MOTOR WIPER/WASHER INTERMITTENT RELAY YEL WIRE