2006 Audi A3 Single DIN Symphony Wiring Diagram
Printed From: the12volt.com
Forum Name: Vehicle Wiring Information & File Requests
Forum Discription: Request Car Alarm, Car Stereo, Cruise Control, Remote Starter, Navigation, Mobile Video, and Other Vehicle Specific Wiring Info, Manuals, Tech Tips
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=144962
Printed Date: May 02, 2025 at 4:40 PM
Topic: 2006 Audi A3 Single DIN Symphony Wiring Diagram
Posted By: ericliggitt
Subject: 2006 Audi A3 Single DIN Symphony Wiring Diagram
Date Posted: November 20, 2018 at 6:13 PM
Hello. Would anybody out there have a wiring diagram for a 2006 Audi A3 with the Symphony system? I’m not using the harness, so knowing the wiring color scheme would be very helpful. Thanks in advance. Peace
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Eric L
Replies:
Posted By: i am an idiot
Date Posted: November 20, 2018 at 7:46 PM
Radio 12V red/white + radio, 8 pin plug, pin 7 or 16 pin plug, pin 15
Radio Ground brown - radio, 8 pin plug, pin 8 or 16 pin plug, pin 12
Radio Ignition (CAN bus)
Radio Illumination (CAN bus)
Factory Amp Turn-on white or blue/green + radio, 20 pin plug, pin 6 or 16 pin plug, pin 13
Left Front Speaker (+/-) red - brown/red +,- radio, 8 pin plug, pins 5 and 6, or 3 and 7
Right Front Speaker (+/-) gray - brown/gray +,- radio, 8 pin plug, pins 3 and 4, or 2 and 6
Left Rear Speaker (+/-) red/yellow - brown/yellow +,- amplifier/subwoofer, 23 pin plug, pins 17 and 18
Right Rear Speaker (+/-) white/black - blue/black +,- amplifier/subwoofer, 23 pin plug, pins 20 and 21
Center Channel (+/-) uses left front (+), right front (-)
Subwoofer (+/-) red/grn - brown/grn (1), blue/wht - brown/wht (2) +,- BOSE amplifier, 32 pin plug, pins 3 and 15 (1), 11 and 12 (2)
Aux. Audio Input Left (+/-) violet - blue or gray - green +,- radio, 20 pin plug, pins 19 and 18
Aux. Audio Input Right (+/-) white - blue or yellow - green +,- radio, 20 pin plug, pins 20 and 18
Satellite Radio 12 Volts red/white + Satellite Radio, 8 pin plug, pin 2
Satellite Radio Ground brown - Satellite Radio, 8 pin plug, pin 1
Satellite Radio Ignition (CAN bus)
Satellite Radio Antenna (coaxial cable)
Satellite Audio Left (+/-) violet - blue +,- Satellite Radio, 8 pin plug, pins 6 and 5
Satellite Audio Right (+/-) white - blue +,- Satellite Radio, 8 pin plug, pins 7 and 5
Posted By: ericliggitt
Date Posted: November 20, 2018 at 9:45 PM
Thank you very much for the info and quick response. I can see the format of your data. You have the positive / negative and the corresponding wire colors and then you have the same info on their relative position in the 8, 16 or 20 pin plug depending on what is used. Thanks again.
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Eric L
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