[BiturboS4] Bose stereo pin-outs?

[Ti Kan]

It's all in the Bentley service manual CD.

-Ti
2003 A4 1.8T multitronic
2001 S4 biturbo 6-sp
1984 5000S turbo
1980 4000 2.0 5-sp
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Andy Turner writes:
> Anyone got the pin-outs for the Bose stereo? I've tried looking on
> www.audiworld.com but not found anything! There's a diagram on the top
> of the actual unit but it's not conclusive! What seems a little odd is
> that if I disconnect the speaker wires (the ones in the middle block,
> above the power), it has no effect and the sound still comes out! So I
> guess they're not being used and that there's something coming out of
> the top block that's possibly being amp'd by an external amp
> somewhere?
>
> I'm trying to fit a Parrot CK3000 handsfree kit, y'see!