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

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/GRY WIRE BRN WIRE BRN/GRY WIRE COMBINATION PROCESSOR COMPUTER DATA LINES SYSTEM FUSE 37 FUSE 5 FUSE PANEL (ON LEFT END OF DASH) GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/BRN 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 LEFT REAR WOOFER 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/VIO WIRE RED/YEL (OR WHT/YEL) WIRE RED/YEL WIRE RIGHT FRONT SPEAKER RIGHT FRONT WOOFER, MIDRANGE SPEAKER RIGHT REAR MIDRANGE SPEAKER RIGHT REAR WOOFER RIGHT REAR WOOFER/ AMPLIFIER TELEPHONE TRANSCEIVER TV ANTENNA AMPLIFIER 1 TV ANTENNA AMPLIFIER 2 TV ANTENNA AMPLIFIER 3 TV ANTENNA AMPLIFIER 4 VIO/GRY WIRE W/ AUTO CHECK SYSTEM W/ CONCERT RADIO W/ SYMPHONY RADIO WHT WIRE WHT/BLU WIRE YEL WIRE

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

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/BRN WIRE BLU/GRN WIRE BLU/GRY 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 LEFT FRONT WOOFER, MIDRANGE SPEAKER LEFT REAR WOOFER, MIDRANGE SPEAKER LEFT REAR WOOFER/ AMPLIFIER 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/VIO WIRE RED/YEL (OR WHT/YEL) WIRE RED/YEL WIRE RIGHT FREQUENCY CROSSOVER RIGHT FRONT WOOFER, MIDRANGE SPEAKER RIGHT REAR WOOFER, MIDRANGE SPEAKER TELEPHONE TRANSCEIVER 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

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

AUTO CHECK SYSTEM BLK WIRE BLK/RED WIRE BLU WIRE BLU/YEL WIRE BOARD COMPUTER FUNCTION SELECTOR SWITCH BRAKE- LIGHT SWITCH (ABOVE BRAKE PEDAL, ABOVE BRACKET) BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE FUSE 13 FUSE 5 FUSE PANEL GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT IN START OR RUN INSTRUMENT CLUSTER LEFT REAR DOOR CONTACT SWITCH NAVIGATION CONTROL MODULE PASSENGER'S SIDE DOOR CONTACT SWITCH RADIO REAR LIGHT CONTROL MODULE (ON 13-FOLD RELAY CARRIER, POSITIONS 4, 5) RED WIRE RED/BLK WIRE RED/BRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT REAR DOOR CONTACT SWITCH TRIP COMPUTER FUNCTION SELECT SWITCH TRIP COMPUTER RESET BUTTON WASHER FLUID LEVEL WARNING SWITCH WHT/BRN WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/WHT WIRE

5 5 6 1 1 2 (AVANT) 6 2 (AVANT) AUTO CHECK SYSTEM (PART OF INSTRUMENT CLUSTER) AVANT BLK WIRE BLK/GRN WIRE BLK/RED WIRE BLU WIRE BRAKE LIGHT SWITCH BRN WIRE COMBINATION PROCESSOR EMERGENCY FLASHER SWITCH FUSE FUSE 2 FUSE FUSE FUSE PANEL (LEFT END OF DASH) FUSE GRN WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HEAD HEAD PARK HIGH MOUNT BRAKE LIGHT HOT AT ALL TIMES HOT AT ALL TIMES MICRO CENTRAL ELECTRIC HOT IN RUN OR START HOT W/ LOAD REDUCTION RELAY ENERGIZED INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM (WITH TRAILER OPTION) LEFT FRONT PARK/TURN LIGHT LEFT SIDE TURN SIGNAL LIGHT LEFT TAILLAMP ASSEMBLY 4 6 INSTRUMENT CLUSTER (AVANT) LEFT TURN IND PARK TURN LICENSE PLATE LIGHTS LIGHT SWITCH OFF OFF PARK REAR LIGHT CONTROL MODULE (ON 13-WAY RELAY CARRIER) RED WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT PARK/TURN LIGHT RIGHT SIDE TURN SIGNAL LIGHT RIGHT TAILLAMP ASSEMBLY 3 6 (AVANT) RIGHT TURN IND TURN TAIL STOP TAIL STOP TURN TURN PARK TURN SIGNAL SWITCH VIO WIRE WHT WIRE YEL WIRE

BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BRN WIRE EXTERIOR LIGHTS FOGLIGHT CONTROL MODULE FRONT FOG LIGHT SWITCH FTP FUSE 19 FUSE FUSE FUSE PANEL FUSE FUSE PANEL FUSE 3 GRN WIRE GRY WIRE GRY/GRN WIRE GRY/WHT WIRE HEAD HEAD- LIGHT HEAD- LIGHT FOG LIGHT FOG LIGHT HEADLIGHT DIMMER/ FLASHER SWITCH HEADLIGHTS SYSTEM (HEADLAMPS LEVELING CIRCUIT) HI BEAM HI FTP LO HI HEAD LO HI LO HOT AT ALL TIMES IGNITION SWITCH IND INSTRUMENT CLUSTER LEFT HEAD/ FOGLIGHT ASSEMBLY LEFT TAILLIGHT ASSEMBLY LEFT REAR FOG LIGHT LIGHT SWITCH LO HI LOAD REDUCTION RELAY MICRO CENTRAL ELECTRIC NOT USED OFF OFF HEAD PARK OFF PARK REAR FOG LIGHT SWITCH REAR LAMP CONTROL MODULE RED WIRE RIGHT HEAD/ FOGLIGHT ASSEMBLY RIGHT TAILLIGHT ASSEMBLY RUN WIRE VIO WIRE W/ AUTO CHECK SYSTEM W/ AUTO CHECK SYSTEM W/O AUTO CHECK SYSTEM W/DRL ONLY W/O AUTO CHECK SYSTEM WHT WIRE WHT/GRN WIRE WHT/RED WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/WHT 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

AUTOMATIC DAY/NIGHT MIRRORS BLK/RED WIRE BRN WIRE DEFOGGER SYSTEM DRIVER'S SIDE MIRROR FUSE 5 FUSE PANEL (ON LEFT END OF DASH) GRN WIRE HOT IN RUN OR START MIRROR ADJUSTMENT SWITCH MIRROR POSITION MIRROR SELECT PASSENGER'S SIDE MIRROR RED/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE YEL/BLK WIRE YEL/BRN WIRE