to help gf learn to drive.

I think on your model you will have to connect it to your noise filter, god knows were that is but having said that the twin cams have a twin coil pack...so u just cant hook it up to the negative side of the coil. Doing this will give u half of the reading since there is only one spark per crank revolution instead of the 2 that is required for correct oppeation of a 4cyl mode tacho. I think the best solution would be to ring around some auto elec's or send ot back and get a 2cyl tacho which would work just like normal

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ORSMREX

You'll probably find that behind the dash cluster, there will be a wire for a tacho output, for the models that do come with a tacho. On the models with no tacho, the wire will be unused.

If you can find it, that would be your best bet.

pm mister 2, he used to have an excel which he managed to install an aftermarket tacho in

It should be a little silver box not hard to miss you might need a wiring diagram but if it is unused it is easy to find, how i didn't think about the ecu i don't know

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ORSMREX