[V8] Wiring for radio-schematics and explanation

Buchholz, Steven Steven.Buchholz at kla-tencor.com
Thu Dec 7 02:26:44 EST 2006

... time to get some sleep there Tony!  :-)

The wiring for the Bose speakers is as simple as you originally suspected.  The only odd thing is that there are phantom connections for power and grounds inside the loom that you need to be mindful of ...

The factory wiring for the Bose hooks up to a connector called T10b.  Here's the pinout for that connector:

Pin 5 - Brown/Black - signal ground to amplifiers
Pin 7 - Black - Right Front signal
Pin 8 - White - Right Rear signal
Pin 9 - Grey - Left Front signal
Pin 10 - Violet - Left Rear signal

Looking at the wiring diagram can get a bit confusing with all of the accommodations for proper grounding and when you also have to deal with getting power and ground to the amplifiers themselves.

If someone needs the specific PDFs for the Bose on the V8 they are on pages 89-01-79 and 81-01-80.  I can't post them to the list, but would be willing to send it to those interested for the asking ...

Steve B
San José, CA (USA)
> Well, after studying the shematics a bit more, it appears as if my guess on
> the signal wires is wrong. At least, that is the only logical conclusion I
> can come to. I believe the blue wire is the signal wire, adn the other four
> are grounds. It would appear that Bose uses an encoded system of some sort,
> probably a digital code, that goes to all four speakers. Then they each
> "grab" the signal they recognise, and reject the others. I took apart a
> front pair I have laying around, and they are the originals out of a 1990
> V8Q. Each amplifier board has a different part #.
> The things that make you go Hmmmmm.............
> Am I way off base? Anyone have any inside information on this?
> Tony Hoffman
> ----- Original Message -----
> From: "Tony and Lillie" <tonyandlillie1 at earthlink.net>
> > (10P) Blue; Speaker common
> > (10P) Black; Right front speaker signal
> > (10P) White; Right rear speaker signal
> > (10P) Grey; Left front speaker signal
> > (10P) Violet; Left rear speaker signal
> _______________________________________________
> Audifans V8 mailing list
> Send posts to: mailto:V8 at audifans.com
> Manage your list connection: http://www.audifans.com/mailman/listinfo/v8
> Have an Audi V8 question?  Check the Audifans Knowledgebase!
> http://www.audifans.com/twiki/bin/view/Audi/V8
> Have a V8 answer? ... Please help others by adding to the KB ... all
> contributions welcome!

More information about the V8 mailing list