help needed sharpish pretty please :)

[Niall]

agree with Niall as he knows his shit, and will probably be right haha

Pahahaha
Ever the comedian matt! :-)

Yeah come on Matt that was a bit of a stupid thing to say. Almost like saying that Phil doesn't look like a kiddie fiddler with that discusting hair of his!

Tasha the rev counter is done off the crank position sensor and will output a voltage to the dials that varies dependant on engine speed. Dont think it's taken directly from the CPS though as they work on AC voltage!
Others, I'll look at wiring diagrams tonight and get back to you