This idea may help you -
http://aussiepinball.com/index.php?topic=583.0you can operate everything,activating relays etc,even play the game.Found this way helped me work out how everything works.I used a long stick to activate relays (still scared of getting zapped)
![evil !*!](http://www.aussiepinball.com.au/Smileys/classic/evil.gif)
Millsy