When I bought my '12 Veloster it had a scratch on the screen and wouldn't respond to touch most of the time(it worked twice but briefly). My intention was to replace the touchscreen overlay. After removing the trim and head unit I discovered that the overlay was too large. Unfortunately, the old one cracked in several places when I was removing it so I couldn't put it back on. As of now it's connected without an overlay. When I start the car the screen displays a glitched mess of colors and fades to black. The only button on the unit that seems to work is the volume knob. I'm assuming the unit it broken and needs replaced.
In my search for a replacement I've noticed that none of them have the same connections that mine does. On the back of mine there are the 3 white plugs, 2 gray ones, a yellow and a blue one. I called a local dealership and emailed Hyundai about what the blue plug goes to and the dealer didn't know. Hyundai said I should take it in for diagnostic testing and that they couldn't tell me through email or over the phone. Not sure why.
So, does anyone know what the plugs go to(the blue one mainly) or where I can find a diagram of the connections?
Also, would anyone know where to find a replacement? I'm not even sure what to search for.
Thanks in advance. Hopefully I can get this fixed soon.