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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by deicustoms:
Yeah, I have XM.

But the only colors in there are

green, orange, black, brown, pink, purple (with stripes)

I looked for some marking on the connector, and I don't see anything. Could you tell me where cavity E is? I believe purple is at one end, and pink is at the other end. Like is it the 2nd , 3rd, 4th one from the end? thanks </div></BLOCKQUOTE>

Green - If this is green with white strip, and in cavity H, it is the Right Audio signal from the XM receiver.
Orange (with black stripe) - Cavity L Remote playback device

Black (with white stripe) - Cavity K XM audio common
Brown (with white stripe) - Cavity J XM left audio signal
Pink (with black stripe) - Cavity M Remote playback device
Purple (no stripe) - Cavity G Class 2 serial data

Looking at the connector end, A is bottom left corner, M is upper left cornet, G is upper right, F is lower right (I is not used, to remove any similarity to 1).

The speed sensity volume is most likly controlled by the BCM as it is on other vehicles, via the class 2 circuit.