I have an N2 instaled in my car. The Brain is mounted with the brackets to the floor of the car under the passanger seat, it is straight /level and true. The unit is modded to play video in motion (parking brake grounded, and the 2 pins on the bottom are soldered together. Everything works and the unit sounds great but the Nav is just awful. I have the speed sensor hooked up t the correct wire for the vehicle speed sensor but the speed pulse is intermitent and the "learning" hasnt gone past 46 or so miles, it is in 3d hybrid mode but the learning has stopped. If i can get the speed pule w
