Audi A4 B5 facelift (1999-2001) 3-way relay carrier Wiring diagrams

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

3-WAY RELAY CARRIER BLK WIRE BLK/BLU WIRE BLK/VIO WIRE BLU WIRE BLU/GRY WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE ENGINE SPEED (RPM) SENSOR (LEFT SIDE OF TRANSMISSION BELL HOUSING) FUSE 130 GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT CLUSTER COMBINATION PROCESSOR KNOCK SENSOR (KS) 1 (ON RIGHT SIDE OF ENG BLOCK, UNDER INTAKE MANIFOLD) KNOCK SENSOR (KS) 2 (ON LEFT SIDE OF ENG BLOCK, UNDER INTAKE MANIFOLD) LEAK DETECTION PUMP (LDP) (IN RIGHT REAR WHEELHOUSING, ABOVE PLASTIC LINER) MALFUNCTION INDICATOR LAMP (MIL) NCA WIRE PWR ACCEL ACTIVATION FAULT IND RED WIRE RED/BLK WIRE RED/BRN WIRE RED/GRN WIRE SECONDARY AIR INJECTION (AIR) PUMP RELAY VIO WIRE WHT WIRE WHT/BLU WIRE WHT/YEL WIRE YEL WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE