first of all, thank of all u guys, esp. hyper, for finding a solution, I installed a z2 in my porsche and was waiting anxiouly for this moment.
I did the update and the parking brake wire was grounded by the installer, and I understand that I have to pull out the phone mute wire and plug it into connector 2, but what to do with the other end of the wire since Im not too familiar with grounding procedure.. can someone plz explain
btw. this mod is worth donating $$$$$$$$$$$$$$$