Audi A4 B6 (2000-2006) nca Wiring diagrams

1.8L ONLY BATTERY BLK WIRE BLU WIRE BRN WIRE D+ GENERATOR FUSE STRIP (MAIN FUSE) FUSE 88 GENERATOR WARNING LIGHT IGNITION/ STARTER SWITCH INSTRUMENT CLUSTER NCA WIRE OFF RED WIRE RUN WIRE STARTER

BLK WIRE BLK/GRN WIRE BLU WIRE BLU/GRN WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM CONVERTIBLE TOP COMPARTMENT COVER LOCKING MOTOR CONVERTIBLE TOP COMPARTMENT LATCH SWITCH CONVERTIBLE TOP FRAME POSITION SENSOR CONVERTIBLE TOP LOCK SWITCH (CLOSED) CONVERTIBLE TOP LOCK SWITCH (OPEN) CONVERTIBLE TOP LOCKING MOTOR CONVERTIBLE TOP OPERATION CONTROL MODULE (AT RIGHT QUARTERPANEL, BEHIND TRIM) CONVERTIBLE TOP OPERATION SWITCH DEFOGGER SYSTEM FUSE FUSE HOLDER (LEFT END OF DASH) GRN/BLK WIRE GRN/RED WIRE GRY WIRE GRY/BLU WIRE GRY/RED WIRE HOT AT ALL TIMES NCA WIRE ORG/BRN WIRE ORG/GRN WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE VIO WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRY WIRE VIO/YEL WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

3-PIN RELAY CARRIER (BEHIND LEFT SIDE OF DASH) BLK WIRE BLU WIRE BLU/GRN WIRE BRN WIRE COMFORT SYSTEM CENTRAL CONTROL MODULE (NEAR BASE OF LEFT FRONT SEAT) COMPARTMENT COVER OPEN POSITION SWITCH CONVERTIBLE TOP CLOSED POSITION SWITCH CONVERTIBLE TOP COMPARTMENT ENCLOSURE POSITION SWITCH CONVERTIBLE TOP FRONT LOCK SWITCH CONVERTIBLE TOP FUSE CONVERTIBLE TOP HYDRAULIC PUMP CONVERTIBLE TOP HYDRAULIC PUMP RELAY CONVERTIBLE TOP HYDRAULIC PUMP RELAY 2 CONVERTIBLE TOP OPEN POSITION SWITCH CONVERTIBLE TOP OPERATION HYDRAULIC UNIT (AT LEFT REAR OF VEHICLE) CONVERTIBLE TOP RIGHT LOCK SWITCH GRN WIRE GRY WIRE HOT AT ALL TIMES LEFT CONVERTIBLE TOP COVER COMPARTMENT COVER SWITCH NCA WIRE POWER CONVERTIBLE TOP VALVE 1 POWER CONVERTIBLE TOP VALVE 2 POWER CONVERTIBLE TOP VALVE 3 RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RIGHT COMPARTMENT COVER LOCKED SWITCH 1 VIO WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRY WIRE VIO/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE

+2 -1 -1 +2 AIRBAG SPIRAL SPRING/ RETURN SPRING W/ SLIP RING AMPLIFIER BLK WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE CD CHANGER UNIT COMFORT SYSTEM CENTRAL CONTROL MODULE (NEAR BASE OF LEFT FRONT SEAT, IN E-BOX) COMPUTER DATA LINES SYSTEM CONTROL MODULE FOR NAVIGATION W/ CD-MECHANISM (LEFT REAR OF LUGGAGE COMPT) FUSE 39 FUSE HOLDER (LEFT END OF DASH) GRN WIRE GRN/BLU WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES INSIDE LOUDSPEAKER (CENTER SPEAKER) INSTRUMENT CLUSTER LEFT ANTENNA MODULE LEFT FRONT BASS SPEAKER LEFT FRONT DSP MIDRANGE SPEAKER LEFT FRONT TREBLE SPEAKER LEFT REAR SPEAKER NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/BRN WIRE ORG/GRN WIRE ORG/VIO WIRE PNK WIRE RADIO RADIO CONTROLS RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RIGHT ANTENNA MODULE RIGHT FRONT BASS SPEAKER RIGHT FRONT DSP MIDRANGE SPEAKER RIGHT FRONT TREBLE SPEAKER RIGHT REAR SPEAKER STEERING COLUMN ELECTRONIC SYSTEMS CONTROL MODULE (AT TOP OF STEERING COLUMN) STEERING WHEEL CONTROL UNIT TELEPHONE PREPARATION WIRING (IF EQUIPPED) VIO/BRN WIRE VIO/GRN WIRE WHT WIRE YEL WIRE

+2 -1 -1 +2 AIRBAG SPIRAL SPRING/ RETURN SPRING W/ SLIP RING AMPLIFIER BLK WIRE BLK/BLU WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/VIO WIRE BRN/YEL WIRE CD CHANGER UNIT COMFORT SYSTEM CENTRAL CONTROL MODULE (NEAR BASE OF LEFT FRONT SEAT, IN E-BOX) COMPUTER DATA LINES SYSTEM CONTROL MODULE FOR NAVIGATION W/ CD-MECHANISM (LEFT REAR OF LUGGAGE COMPT) FUSE 39 FUSE HOLDER (LEFT END OF DASH) GRN WIRE GRN/BLU WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES INSIDE LOUDSPEAKER (CENTER SPEAKER) INSTRUMENT CLUSTER LEFT ANTENNA MODULE LEFT FRONT BASS SPEAKER LEFT FRONT DSP MIDRANGE SPEAKER LEFT FRONT TREBLE SPEAKER LEFT REAR SPEAKER NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/BRN WIRE ORG/GRN WIRE ORG/VIO WIRE PNK WIRE RADIO RADIO CONTROLS RED WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RIGHT ANTENNA MODULE RIGHT FRONT BASS SPEAKER RIGHT FRONT DSP MIDRANGE SPEAKER RIGHT FRONT TREBLE SPEAKER RIGHT REAR SPEAKER STEERING COLUMN ELECTRONIC SYSTEMS CONTROL MODULE (IF EQUIPPED) (TOP OF COLUMN) STEERING WHEEL CONTROL UNIT TELEPHONE PREPARATION WIRING (IF EQUIPPED) VIO WIRE VIO/YEL WIRE WHT WIRE YEL WIRE YEL/BLU WIRE

+2 -1 LEFT REAR BASS SPEAKER -1 +2 1- 2+ LEFT FRONT BASS SPEAKER 1- 2+ RIGHT FRONT BASS SPEAKER 1- 2+ RIGHT REAR BASS SPEAKER AIRBAG SPIRAL SPRING/ RETURN SPRING W/ SLIP RING AMPLIFIER ANTENNA AVANT BASS LOUDSPEAKER BLK WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/YEL WIRE CD CHANGER UNIT COMFORT SYSTEM CENTRAL CONTROL MODULE (NEAR BASE OF LEFT FRONT SEAT, IN E-BOX) COMPUTER DATA LINES SYSTEM CONTROL MODULE FOR NAVIGATION W/ CD-MECHANISM (LEFT REAR OF LUGGAGE COMPT) EXCEPT AVANT FUSE 39 FUSE HOLDER (LEFT END OF DASH) GRN WIRE GRN/BLU WIRE GRY WIRE HOT AT ALL TIMES INSIDE LOUDSPEAKER (CENTER SPEAKER) INSTRUMENT CLUSTER LEFT ANTENNA MODULE LEFT FRONT MIDRANGE SPEAKER LEFT REAR MIDRANGE SPEAKER LEFT REAR SIDE WINDOW RIGHT REAR SIDE WINDOW NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/BRN WIRE ORG/GRN WIRE ORG/VIO WIRE PNK WIRE RADIO RADIO CONTROLS REAR WINDOW DEFOGGER W/ WINDOW ANTENNA RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RIGHT FRONT MIDRANGE SPEAKER RIGHT REAR MIDRANGE SPEAKER STEERING COLUMN ELECTRONIC SYSTEMS CONTROL MODULE (IF EQUIPPED) (TOP OF COLUMN) STEERING WHEEL CONTROL UNIT TELEPHONE PREPARATION WIRING (IF EQUIPPED) WHT WIRE YEL WIRE

-1 +2 AIRBAG SPIRAL SPRING/ RETURN SPRING W/ SLIP RING AMPLIFIER ANTENNA AVANT BASS LOUDSPEAKER BLK WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE CD CHANGER UNIT COMFORT SYSTEM CENTRAL CONTROL MODULE (NEAR BASE OF LEFT FRONT SEAT, IN E-BOX) COMPUTER DATA LINES SYSTEM CONTROL MODULE FOR NAVIGATION W/ CD-MECHANISM (LEFT REAR OF LUGGAGE COMPT) EXCEPT AVANT FUSE 39 FUSE HOLDER (LEFT END OF DASH) GRN WIRE GRN/BLU WIRE GRY WIRE HOT AT ALL TIMES INSIDE LOUDSPEAKER (CENTER SPEAKER) INSTRUMENT CLUSTER LEFT ANTENNA MODULE LEFT FRONT BASS SPEAKER LEFT FRONT MIDRANGE SPEAKER LEFT REAR BASS SPEAKER LEFT REAR MIDRANGE SPEAKER LEFT REAR SIDE WINDOW RIGHT REAR SIDE WINDOW NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/BRN WIRE ORG/GRN WIRE ORG/VIO WIRE PNK WIRE RADIO RADIO CONTROLS REAR WINDOW DEFOGGER W/ WINDOW ANTENNA RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RIGHT FRONT BASS SPEAKER RIGHT FRONT MIDRANGE SPEAKER RIGHT REAR BASS SPEAKER RIGHT REAR MIDRANGE SPEAKER STEERING COLUMN ELECTRONIC SYSTEMS CONTROL MODULE (IF EQUIPPED) (TOP OF COLUMN) STEERING WHEEL CONTROL UNIT TELEPHONE PREPARATION WIRING (IF EQUIPPED) WHT WIRE YEL WIRE

1- 2+ LEFT FRONT BASS SPEAKER 1- 2+ LEFT REAR BASS SPEAKER 1- 2+ RIGHT FRONT BASS SPEAKER 2+ 1- RIGHT REAR BASS SPEAKER AIRBAG SPIRAL SPRING/ RETURN SPRING W/ SLIP RING ANTENNA AVANT BLK WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/YEL WIRE CD CHANGER UNIT COMFORT SYSTEM CENTRAL CONTROL MODULE (NEAR BASE OF LEFT FRONT SEAT, IN E-BOX) COMPUTER DATA LINES SYSTEM CONTROL MODULE FOR NAVIGATION W/ CD-MECHANISM (LEFT REAR OF LUGGAGE COMPT) EXCEPT AVANT FUSE 39 FUSE HOLDER (LEFT END OF DASH) GRN WIRE GRN/BLU WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT ANTENNA MODULE LEFT FRONT MIDRANGE SPEAKER LEFT REAR MIDRANGE SPEAKER LEFT REAR SIDE WINDOW NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/BRN WIRE ORG/GRN WIRE ORG/VIO WIRE PNK WIRE RADIO RADIO CONTROLS REAR WINDOW DEFOGGER W/ WINDOW ANTENNA RED WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RIGHT FRONT MIDRANGE SPEAKER RIGHT REAR MIDRANGE SPEAKER RIGHT REAR SIDE WINDOW STEERING COLUMN ELECTRONIC SYSTEMS CONTROL MODULE (IF EQUIPPED) (TOP OF COLUMN) STEERING WHEEL CONTROL UNIT TELEPHONE PREPARATION WIRING (IF EQUIPPED) WHT WIRE YEL WIRE

9-PIN RELAY CARRIER (BEHIND LEFT SIDE OF DASH) BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLU WIRE BRN WIRE FUSE 5 FUSE HOLDER (LEFT END OF DASH) GRY WIRE HOT AT ALL TIMES HOT IN ON OR START NCA WIRE REAR SHADE CIRCUIT BREAKER REAR WINDOW SHADE CONTROL MODULE (UNDER LEFT SIDE OF REAR SHELF) REAR WINDOW SHADE MOTOR REAR WINDOW SHADE SWITCH RED WIRE

BRN WIRE BRN/WHT WIRE FRONT INTERIOR LIGHT FUSE 30 FUSE HOLDER (LEFT END OF DASH) GRY/BLU WIRE HOT AT ALL TIMES NCA WIRE POWER WINDOWS SYSTEM RED WIRE RED/BRN WIRE RED/GRY WIRE RED/VIO WIRE SUNROOF MOTOR ASSEMBLY (AT FRONT CENTER OF ROOF, ABOVE INTERIOR LIGHTS) SUNROOF SWITCH VIO WIRE