Ok...So i removed my units from one car and put it in another! (thats the start)
So as everything is finally connected, I turn on the unit, the avh-6400cd works fine..goes from cd to radio fine.
(bump in road)
the Avic-90dvd is not coming up as on option to switch to when you press source, but I put the nav disk in (updated one) and it started to read and update. Me not really paying much attention, just happy the installation seemed to go ok. I plugged out the unit (unfortunately while it was upgrading...Didnt really think it could cause a problem..still dont think that). So I fin
