Wow!!! Genius, very fundamental and was exactly the problem. Not sure how I would of fixed this with the OBM but now that I am going straight VGA this is a working solution for me. I am powering the VGA with the 12V on the P1900 and the picture does not show this power fluctuation anymore. I am going to try the ground method from PSU to VGA but I thnk I nailed it with the power from the PSU.
Now I need to relay the power as well since I sometimes leave the computer running when the car is off. I have a 1 hour timer on my power controller if I dont turn the pc off myself. I like it better this way..... phc thanks for your help, I own you a beer!
