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Author: Subject: Analogue rev counter on Duratec
laptoprob
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posted on 4/2/14 at 03:40 PM Reply With Quote
Analogue rev counter on Duratec

Anyone help me here please?

Ive got a Tiger rev counter which i don't suppose is much different to other analogue rev counters. I wired it to the negative on the Duratec coil pack and its working but only reading around half of what it should be (i.e. 1k on counter, 2k on engine).

Any ideas what the problem could be?




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loggyboy
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posted on 4/2/14 at 03:59 PM Reply With Quote
Wasted spark?
Although that should double the reading not halve it!

[Edited on 4-2-14 by loggyboy]




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Ben_Copeland
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posted on 4/2/14 at 03:59 PM Reply With Quote
From memory the coil pack is split into 2 sides so your only getting signal from one side. I had to build a small circuit to allow it to be connected to both sides of the coil pack. That's a GM coil pack tho.




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Ben_Copeland
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posted on 4/2/14 at 04:02 PM Reply With Quote
http://www.turbosport.co.uk/showthread.php?t=166700

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Ben

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laptoprob
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posted on 4/2/14 at 04:33 PM Reply With Quote
quote:
Originally posted by Ben_Copeland
http://www.turbosport.co.uk/showthread.php?t=166700

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Thanks Ben, thats the fella i was looking for




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big-vee-twin
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posted on 4/2/14 at 10:28 PM Reply With Quote
This is what I used on mine works fine


[img] tachometer diodes
tachometer diodes [/img]




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