here you go
2001 AUDI A6 4DR SEDAN WITH 2.8L ENGINE AND BOSE® AUDIO SYSTEM
Audio/Mobile Video
WIRE COLOR POLARITY LOCATION
Battery RED / WHITE (+) RADIO HARNESS
Accesory BLACK/ BLUE (+) RADIO HARNESS
Ground BROWN (-) RADIO HARNESS
Illumination GRAY/BLUE (+) RADIO HARNESS
Power Antenna RED (+) RADIO HARNESS
Amp Turn On RED / BLUE (+) AT SUBWOOFER AMPLIFIER
LF Speaker (+) BLUE/WHITE
BLACK IS A COMMON GROUND WIRE. THESE WIRES ARE LOW LEVEL GOING INTO THE BOSE AMPLIFIER.
LF Speaker (-) BROWN / WHITE
RF Speaker (+) RED
BLACK IS A COMMON GROUND WIRE. THESE WIRES ARE LOW LEVEL GOING INTO THE BOSE AMPLIFIER.
RF Speaker (-) BROWN / RED
LR Speaker (+) BROWN / WHITE
BLACK IS A COMMON GROUND WIRE. THESE WIRES ARE LOW LEVEL GOING INTO THE BOSE AMPLIFIER.
LR Speaker (-) BLUE/WHITE
RR Speaker (+) BROWN / RED
BLACK IS A COMMON GROUND WIRE. THESE WIRES ARE LOW LEVEL GOING INTO THE BOSE AMPLIFIER.
RR Speaker (-) RED
Amp Location MOUNTED UNDER REAR DECK
Steering Cntrls OPTIONAL
Speed Cntrl YES
Radio Security YES
Security
WIRE COLOR POLARITY LOCATION
Battery RED / WHITE (+) IGN SWITCH OR LEFT OF COLUMN RELAY BANK
Ignition 1 BLUE (+) IGN SWITCH OR LEFT OF COLUMN RELAY BANK
Starter 1 RED / BLACK (+) IGN SWITCH OR LEFT OF COLUMN RELAY BANK
All Door Trigger RED / YELLOW (+) DRIVER'S SIDE PILLAR HARNESS
Trunk Trigger WHITE/ YELLOW (-) HARNESS FROM TRUNK LID
Alarm Disarm BROWN / GREEN (-) DRIVERS KICK PANEL
Parking Lights GRAY/WHITE (+) AND GRY/YEL R BEHIND FUSE BLOCK DIODE IS
ALSO (+) GRAY / YELLOW-DIODE ISOLATE
Convenience
WIRE COLOR POLARITY LOCATION
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Remote Start
WIRE COLOR POLARITY LOCATION
Battery RED / WHITE (+) IGN SWITCH OR LEFT OF COLUMN RELAY BANK
Ignition 1 BLUE (+) IGN SWITCH OR LEFT OF COLUMN RELAY BANK
Ignition 2 PPL (+) IGNITION SWITCH HARNESS
Ignition 3 GREEN (+) IGNITION SWITCH HARNESS
Accessory 1 YELLOW/BLACK (+) IGNITION SWITCH HARNESS
Starter 1 RED / BLACK (+) IGN SWITCH OR LEFT OF COLUMN RELAY BANK
Anti-Theft Type RF ACTIVATED SYS.
Anti-Theft Descript TRANSPONDER
Tachometer GRAY/GREEN (AC) COIL PACK ON TOP OF ENGINE UNDER COVER
Speed Sense WHITE/ BLUE (AC) PIN A1 AT RADIO HARNESS
Parking Lights GRAY/WHITE (+) AND GRY/YEL R BEHIND FUSE BLOCK DIODE IS
ALSO (+) GRAY / YELLOW-DIODE ISOLATE
Brake Lights RED / BLACK (+) SWITCH ABOVE BRAKE PEDAL
Modules
WIRE LOCATION
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Doorlocks/Windows
WIRE COLOR POLARITY LOCATION
Power Unlock BROWN / YELLOW (-) TAN CONNECTOR - DRIVERS KICK *DBL PULSE
PowerLock GREEN/ BLUE (-) TAN CONNECTOR - DRIVERS KICK
LF Window Up LF:WHITE/ VIOLET RE
RF Window Up RF:WHITE LR:YELLOW/BLACK RR:GREEN/ YELLOW
LR Window Up LF:WHITE/ BLACK RE
RR Window Up RF:BLACK/ GREEN LR: YELLOW RR:WHITE/ BLACK