Author Topic: Low cost rev counter that works.  (Read 112 times)

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jacw

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Low cost rev counter that works.
« on: September 24, 2021, 03:13:50 PM »
Having just bought and fitted a low cost 52mm rev counter off Ebay  https://www.ebay.co.uk/itm/334082240200  which works I thought others might be interested.
At the back of the rev counter is a switch for 2,4 & 8 cylinders. Having fitted it the needle fluctuated a bit so a quick google found a useful little video  https://www.youtube.com/watch?v=-6j3glUtecY   which shows how to fix the problem. 
Back to Ebay to buy
https://www.ebay.co.uk/itm/203327665249?var=503711022049 for £2.45 for ten 10K Ohm 0.5 W fixed resistors.
Fitted the resistor as per the video and now a perfectly smooth needle.
My ignition set up is 123 electronic with twin coil. I think I read that Rusty has the same set up.
Hope this helps and by the way I am not technical.
jacw

Minijohn

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Re: Low cost rev counter that works.
« Reply #1 on: September 24, 2021, 08:45:46 PM »
That's really interesting - I'd like a tacho in my car.

My car has the factory electronic ignition and I've no idea where to connect the tacho - anyone have any idea?

 

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