Zing,
You know what? Now that I look at the wiring and instructions, I wonder how this thing is going to work.
All the radio accessories I have seen need a connection to the GM Class 2 Data Bus to "announce" itself as an available device, so that the head unit will show it as an option. The GM 6 CD Changer, and the GM XM Radio Tuner does this.
The problem is, the "new" style PAC unit you have does NOT have a connection to the Class 2 Data Bus! The Class 2 Data Bus circuit is in the 24 pin connector (pin A1).
I think someone may have goofed on the re-design of this thing! I'll be real surprised if it works!
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