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Mark Crowe Mark Crowe is offline
Registered User
Join Date: Apr 2007
Location: South Africa
Posts: 83
Rev Counter issue

On my 3 litre turbo, 77 model, I upgraded from K Jettronic to a Motech type system

We get a pulse from the box, but rev counter is not working

Car did stand for a few years, not sure if some dust/ mildew is in the mechanism, or if the type of pulse from the new EFI is not compatible with the signal it used to get from the coil

I understand that the pulse from the new EFI is the same as the pulse from the new spark packs, maybe frequency or form is not the same as from the older style coil?

Any suggestions?
Old 07-09-2010, 05:05 AM
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