I have a 2000model 2388 and the touch screen is on the blink.It only works when I get it really cold. When I get in the cab and the temp is over the hundred, I have to put the a/c to max for at least 20 minutes before the screen works. It does not respond to anything I do, until it is cool. Even during the day I sometimes have the a/c set cooler than I like and the vents set on the screen so it will work. Has anybody got a solution? I went to my dealer a there is no parts listing for the screen itself, just the whole monitor, and the price was over the top.