I kinda want that RAP, I know what you mean... may get to that (I hope I do). Joegr thought it was one of two colored wires, but not for sure. That's one reason I dropped it. Do you know which color it is in the C-Pillar for the sunroof?
Now that I have the main 3 harnesses wired, and other things done, I could tackle running the RAP wire now.
There are 3 AVI in ports, 1 AVI out. I am running 1 AVI via KCA-IP302 and it uses one of the USB ports (and has mini-stereo jack out for audio, and mini jack for video on that cable). This Kenwood HU uses IPOD audio & video input via miniplugs at back of the HU. (There are two more AVI inputs via 3 RCA jacks each, but not for IPOD use). I ran the KCA-IP302 to the glovebox and plugged the USB into one USB jack with the sound and video miniplug jacks going out and back to the HU (need to seal the hole now). The other USB port will be for mem stick/drive and the like, or another iPod (power and audio). Plus a mini-stereo jack for a MP3 player or whatnot (that has headphone out) in the glovebox going back to RCA jacks at another AVI input.
I just popped out the C-Pillar, took a picture... looking at it now... here's what I see back there.
Joegr mentioned: My best wild guess is that you need the gray/orange wire or the blue/black wire going to the moon roof.
They are both there, I pulled them off to the right in this photo... now the question is which one?
Edit: Looks like you signed off. I'll run a wire from the stereo console area back to the C-Pillar now. I will hook it into the C-Pillar and stereo harness later... at least it will be ran. I don't want to put a t-tap or quicksplice, and don't want to cut into both wires trying to figure out which one to use. Don't want to solder back there either, no room for error... a t-tap or quicksplice might be needed anyway... what did you and joegr use for the connection?