Audi A4 B5 facelift (1999-2001) gry/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

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

A/C CONTROL HEAD BLK/BLU WIRE BLK/GRY WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/ BLK WIRE BLU/VIO WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CENTER OUTLET TEMPERATURE SENDER (BEHIND LOWER CENTER OF DASH, ON HVAC UNIT) FLOOR OUTLET TEMPERATURE SENDER (BEHIND LOWER LEFT CENTER OF DASH, ON HVAC UNIT) FUSE 225 FUSE 3 FUSE 5 FUSE PANEL (ON LEFT END OF DASH) GRN GRY/ WIRE GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRN WIRE GRN/RED WIRE GRN/VIO WIRE GRY WIRE GRY/ GRN WIRE GRY/BLU WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HOT IN RUN OR START HOT W/LIGHT SWITCH IN PARK OR HEAD POSITION HOT W/LOAD REDUCTION RELAY ENERGIZED INSTRUMENT CLUSTER MOTRONIC ENGINE CONTROL MODULE (ECM) (NEAR BRAKE BOOSTER, IN PROTECTIVE CASE) RED/ BLK WIRE RED/YEL WIRE SOLID STATE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/VIO WIRE WHT/YEL WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/BLU WIRE YEL/WHT WIRE

AUTOMATIC DAY/NIGHT MIRROR AVANT BLK WIRE BLU WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE DOOR WARNING LIGHTS CONTROL MODULE (ON 8-WAY RELAY CARRIER) DRIVER SIDE HEATED MIRROR DRIVER'S SIDE DOOR CONTACT SWITCH DRIVER'S SIDE DOOR WARNING LIGHT FRONT INTERIOR LIGHT ASSEMBLY FUSE 14 FUSE 3 FUSE 5 FUSE 38 FUSE PANEL (BEHIND LEFT SIDE OF DASH) GLOVE COMPT LIGHT MIRROR ADJUSTMENT SWITCH GRN WIRE GRY WIRE GRY/GRN WIRE GRY/RED WIRE GRY/YEL WIRE HEAD PARK HEADLIGHTS, EXTERIOR LIGHTS SYSTEM HOT AT ALL TIMES HOT IN RUN OR START INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM INTERIOR LIGHTS SYSTEM (INSTRUMENT ILLUMINATION CIRCUIT) LEFT FOOT- WELL LIGHT LEFT LUGGAGE COMPARTMENT LIGHT LEFT MAKE-UP MIRROR LIGHT LEFT MAKE-UP MIRROR SWITCH LEFT REAR DOOR CONTACT SWITCH LEFT REAR DOOR WARNING LIGHT LIGHT SWITCH LUGGAGE COMPARTMENT LIGHT MICRO CENTRAL ELECTRIC OFF PASSENGER'S FRONT DOOR CONTACT SWITCH PASSENGER'S SIDE DOOR WARNING LIGHT REAR READING/ COURTESY LIGHT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FOOT- WELL LIGHT RIGHT LUGGAGE COMPARTMENT LIGHT RIGHT MAKE-UP MIRROR LIGHT RIGHT MAKE-UP MIRROR SWITCH RIGHT REAR DOOR CONTACT SWITCH RIGHT REAR DOOR WARNING LIGHT TRUNK LOCK SWITCH (SEDAN, VIO WIRE WHT WIRE YEL WIRE

13-WAY RELAY CARRIER (BEHIND LEFT SIDE OF DASH) 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 BLK/YEL WIRE BLU WIRE BRAKE LIGHT SWITCH BRN WIRE COMBINATION PROCESSOR DAYTIME RUNNING LIGHTS SWITCH-ON RELAY 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 IN RUN OR START HOT W/ LOAD REDUCTION RELAY ENERGIZED HOT W/ LOAD REDUCTION RELAY ENERGIZED HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM (WITH TRAILER OPTION) INTERIOR LIGHTS SYSTEM 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 MICRO CENTRAL ELECTRIC 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

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

5 5 6 1 1 2 (AVANT) 6 2 (AVANT) AVANT BLK WIRE BLK/GRN 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/YEL WIRE HEAD HEAD PARK HIGH MOUNT BRAKE LIGHT HOT AT ALL TIMES HOT AT ALL TIMES MICRO CENTRAL ELECTRIC HOT W/ LOAD REDUCTION RELAY ENERGIZED INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM (WITH TRAILER OPTION) LEFT FRONT PARK/TURN LIGHT LEFT RIGHT TURN IND TURN IND TURN LEFT SIDE TURN SIGNAL LIGHT LEFT TAILLAMP ASSEMBLY 4 6 (AVANT) LICENSE PLATE LIGHTS LIGHT SWITCH OFF OFF PARK PARK RED WIRE RED/BLK WIRE RED/YEL WIRE RIGHT FRONT PARK/TURN LIGHT INSTRUMENT CLUSTER RIGHT SIDE TURN SIGNAL LIGHT RIGHT TAILLAMP ASSEMBLY 3 6 (AVANT) TAIL STOP TURN TURN PARK TURN SIGNAL SWITCH TURN TAIL STOP VIO WIRE VIO/BLU WIRE WHT WIRE YEL WIRE