Will this tacho work?

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Originally Posted by manofaus

After a little reading it appears as you would have used the 4cyl setting?
The ecu sends out 2 pulses per Rev at 5v apparently on pin 19.

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There are three small switches on the back that account for the cylinders. There is no labelling of which pin is for which cylinder configuration. I just adjusted them until I got the correct rpm's, then verified it worked against rpm's through the range of gears, etc.......It works.