OK, I finally mounted the optipac inside my cab and I'm ready to wire up the trackball. I am using the player 1 port that connects to a Pins -> USB wire (that came with the optipac) that will plug into one of the USB ports on my computer.
Anyway, I have a 2-1/4" trackball and there are TWO sets of Red, Black, Green and Yellow wires coming out of the trackball (one set of 4 wires contains each color). If I am looking down at the trackball, a set of wires is at "12 o'clock" and a set of wires is at "9 o'clock" - How should I wire the trackball to the Optipac? I looked here
http://www.ultimarc.com/optipac3.html but it wasn't clear because I'm an idiot (hence the thread title).
Any help would be great... also, what's a good game to test it out on?
THANKS!!