> Any one know haw many pulses per RPM are generated on the above? Is it > 5,1 or 2.5, Looking into building my own instrument cluster. I'd hazard a guess at 2.5, since it basically comes off the coil - 5 sparks per two revs. Can you build me a 5 to 8 divider I can use in my truck? -- Huw Powell http://www.humanspeakers.com/audi http://www.humanthoughts.org/