Quote Originally Posted by nadforever View Post
just making sure u understand that its all has to do with Video here not audio my Audio sounds fine....

grounds should be ok i have the computer going threw a cigerate lighter port.
The cigarette lighter might be the problem. I had some terrible video interference when my monitor was connected to it. Once I ran a dedicated 12V line to the monitor, my interference disappeared. You might consider running 12V from the battery to your PC (and monitor, if that isn't done already).