cpariise

I just did the update on my z140bh 120 from navteq.com it updates the maps, Bluetooth firmware and adds adjustable grid lines to the backup camera screen..

hi im new to this forum, its my first post. i had the 140bh installed in january and i asked the installer to run video cable for back up camera to passenger side kick panel in my 03 toyota 4runner so i could add camera later and i wouldnt have to yank radio when i did it. today i hooked up power and ground for camera up and plugged in the video cable and i got nothing when i put it in reverse. when i change view mode to rear view mode i get the camera. when the polarity is changed to ground and i boot the radio i get the rearview full screen at start up without moving shifter. then i have to