Hogie Posted April 25, 2019 Share Posted April 25, 2019 Hi Folks, about four or five years ago I had my mechanical Tacho converted to electric - running off the coil. Under normal driving speeds it appears to give a reasonable reading. It runs up to 3000 rpm happily. Sadly it does not display over 3000 rpm - it just sits there. I have contacted the chap that converted it but he has no answers (yet) I have been informed that the input pulses may be too noisy etc. Has anybody got any info on what I could twiddle with to improve things. Or any comments to point me in the right direction Roger Quote Link to comment Share on other sites More sharing options...
RobPearce Posted April 25, 2019 Share Posted April 25, 2019 That sounds like a dodgy conversion. The nearest I've had was when I fitted electronic ignition to my 1850 Dolomite - just an amplifier board to reduce the load on the points - and left the tacho sensing the points rather than the coil. That worked fine up to about 3500RPM then dropped to zero if I revved above that. Quote Link to comment Share on other sites More sharing options...
Hogie Posted April 25, 2019 Author Share Posted April 25, 2019 Thanks Rob. I have a feeling you may be right about the dodgy conversion. I have found nothing as an aftermarket remedy. Perhaps I will have to send it off to another bunch of shysters. Roger Quote Link to comment Share on other sites More sharing options...
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