i installed the hu with the tato jbl adapter, but there's no sound at all what do i have to do ? thanks
Make sure you adjusted properly the DIP switches or the potentiometer on the adapter according to the instructions. Here: http://archive.pac-audio.com/instructions/TATO.pdf
still no sound, i turned all th dip switched off, nothing works, no sound, aslo, it seems like i have no backlit on my navigation system as well