AVIC-Z1 (upgraded with CNDV-800HD) is not tracking and the arrow is displaying bckwards to direction traveled. Also the system will not track as vehicle moves. .Was moved from 1998 Crown Vic and installed in a 2006 Crown Vic. System was fully functioning prior to changeover. Tried reset several times to no avail. All other features work okay. Although the system will not track, it does eventually show correct location when stopped for a few minutes. Also, the "North" pointer does not show north. When pressed, it does not display a reverse of N/S. WHen a destination is set, I get the red-line d