So...this story will make me sound like an idiot...but whatever.
I was installing my GEX-P10XMT yesterday along with an Avic-D3. Upon opening the box I noticed a warning hanging from the power cable indicating not to use the lead if it was being paired with an IP Bus cable. So I tossed the power cable aside (assuming that power would be going through the IP Bus and the accompanying data cable.
For over an hour my Avic was telling me there was no XM installed, and I as getting mighty frustrated, so I walked back in the house and glanced at the power cable again. Only then did I notice t