Hello all, my first post. I picked up my Avic-Z2 this pass week. I been doing installs since the early 80's so doing this was great. My unit was a June 07 release. Let me tell that this 2 wire bypass works great.
Now my tip...........
You need a very good ground on the 2nd wire. What I did was remove the blue power ANT wire with the pin intact and used it in the 2nd wire position. Most cars today don't have a power ant and if you need the wire I am sure you can find another pin and wire that you can use. Just sticking bear wire in that 2nd wire spot will not do it. To remove the pin