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

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

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

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

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

BLK WIRE BLK/YEL WIRE BRN WIRE FUSE 30 FUSE PANEL (ON LEFT END OF DASH) GRY WIRE HOT AT ALL TIMES NCA WIRE POWER SUNROOF CONTROL MODULE (AT CENTER OF WINDSHIELD HEADER, ABOVE HEADLINER) POWER WINDOWS SYSTEM RED WIRE RED/BRN WIRE SOLID STATE SUNROOF MOTOR SUNROOF RAISE/ LOWER SWITCH SUNROOF REGULATOR VIO WIRE YEL WIRE

8-WAY RELAY CARRIER BLK WIRE BLK/YEL WIRE BRN WIRE HOT AT ALL TIMES IGNITION SWITCH LEFT FRONT WINDOW SWITCH LEFT WINDOW MOTOR OFF POWER SUNROOF CONTROL MODULE POWER WINDOW FUSE 37 RED WIRE RED/BLK WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RUN WIRE WHT/YEL WIRE WINDOW MOTOR YEL/BLU 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

3-WAY RELAY CARRIER A/C SYSTEM ABS SYSTEM, TRANSMISSIONS SYSTEM, INSTRUMENT CLUSTER SYSTEM BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/GRY WIRE BRAKE LIGHT SWITCH (ABOVE BRAKE PEDAL, ON BRACKET) BRN WIRE BRN/GRN WIRE BRN/RED WIRE CLUTCH VACUUM VENT VALVE SWITCH (ABOVE CLUTCH, ON BRACKET) CRUISE CONTROL SYSTEM FUSE 13 FUSE 130 FUSE 7 FUSE PANEL GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE GRY/YEL WIRE GYR/YEL WIRE HEATED OXYGEN SENSOR 1 (RIGHT SIDE OF ENG, ON EXHAUST MANIFOLD) HEATED OXYGEN SENSOR 2 (BEHIND 3-WAY CATALYTIC CONVERTER) HOT AT ALL TIMES HOT IN START OR RUN M/T MASS AIRFLOW (MAF) SENSOR (INSIDE AIR CLEANER HOUSING) MICRO CENTER ELECTRONIC SECONDARY AIR INJECTION (AIR) PUMP RELAY MOTRONIC ENGINE CONTROL MODULE (NEAR BRAKE BOOSTER IN PROTECTIVE CASE) NCA WIRE RED WIRE RED/BLK WIRE RED/BRN WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE SECONDARY AIR INJECTION PUMP MOTOR (LOWER RIGHT FRONT CORNER OF ENG COMPT) THROTTLE POSITION (TP) SENSOR (ON THROTTLE BODY) VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/RED WIRE YEL/VIO WIRE

A/C SYSTEM BACK-UP LIGHT SWITCH BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BRAKE LIGHT SWITCH (ABOVE BRAKE PEDAL, ON BRACKET) BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/RED WIRE CLUTCH VACUUM VENT VALVE SWITCH (ABOVE CLUTCH PEDAL, ON BRACKET) CRUISE CONTROL SYSTEM FUSE 13 FUSE 7 FUSE PANEL FUSE 231 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE GRY/YEL WIRE GYR/YEL WIRE HEATED OXYGEN SENSOR 1 (BEHIND RIGHT CYLINDER HEAD, ON EXHAUST MANIFOLD) HEATED OXYGEN SENSOR 2 (BEHIND RIGHT CYLINDER HEAD, ON EXHAUST MANIFOLD) HOT AT ALL TIMES IGNITION SWITCH INSTRUMENT CLUSTER SYSTEM M/T MASS AIRFLOW (MAF) SENSOR (IN AIR CLEANER ASSEMBLY) MOTRONIC ENGINE CONTROL MODULE (NEAR BRAKE BOOSTER IN PROTECTIVE CASE) NCA WIRE OFF OXYGEN SENSOR 1 (BEHIND 3-WAY CATALYTIC CONVERTER) OXYGEN SENSOR 2 (BEHIND 3-WAY CATALYTIC CONVERTER) RED WIRE RED/BLK WIRE RED/BRN WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RUN WIRE THROTTLE POSITION (TP) SENSOR (ON THROTTLE BODY) VIO WIRE WHT WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/RED WIRE YEL/VIO WIRE