Does anyone out there know if my GTP's radio will have a 9 PIN connector for hooking in a PIE adaptor? I have the radio with the CD player and the EQ. The CD button says CD/Play. The car has on-star.

From what I've read so far, I've found nothing that says its there and one obscure thing that says the CD button should say CD/AUX for this connector to be present. I'm about ready to pull the radio out and look myself, but I'm thinking that someone else has to have gone through this already.

I don't think there is. iirc everyone either changes out the HU or uses and FM modulator.