I have a Avic Z1 that i bought as refurbished. I have done the two wire bypass, but the software show that it is the old version, so i tried downloading the updated disc from Pioneer, and nothing happens when i put it in the head unit, so i am downloading the bluetooth update off your website now, and will try that. Next, my illumination is not working. I have a 2007 Chevy silverado, and bought the 130 dollar wiring harness to keep all my onstar, and chimes, and everything works except the illumination. So i cannot try the flash the headlight trick. I called a radio shop around here, and