Tach lead output

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10-21-2005, 04:51 AM

mats

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Tach lead output

Does anyone know what comes out of the tach lead from the enginge. Is it a square wave, pulses?, What voltage peak to peak? Frequency, does it send one pulse per revolution or per firiing of the inividual plugs?

10-21-2005, 07:05 AM

Wobble

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Re: Tach lead output

If it is a pointless distributer it should be a square wave, one per cylinder.

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