Cleaning the 'humpy' for Easter - will look through these pics later. I could not have progressed technically, or even emotionally, at times with the body and engine wiring without others supporting me on the Forum. Good on you Greg for doing your own wiring.
Cameron - re Geof's question above - did fuel come out under pressure when u disconnected the rails? The fuse that I referred to on mine was a single fuse on a feed the brought 'constant' power to the computer. You will really need need to find harness diagram for a 2002 Ford Windsor and identify that wire. It should be among these:
http://fordfuelinjection.com/?p=3
Also use your (new) test meter to check voltage - with ignition key on - at a few points on the harness. Attach the ground pole (black) to the chassis and probe around with the red one (with the volts scale set up to 12 volts). There should be very small voltages at most points on the fuel ignition harness. I am no autoelec, but if there is none then ....