Hey guys where can i find a good source for a remote power source for my Rockford Fosgate Amp? I know on the aftermarket radios you can use the Blue "power antenna" wire. Since the IS doesnt have a power antenna, where can i tap into to power up my amp? Any help would be appreciated. I am dying to install my infinty perfect10 subwoofer. I think that this is all this car is lacking. Thanx!