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Erratic rev counter

Posted: Thu Apr 24, 2014 11:20 am
by blake
Running a V3 microsquirt system on my V6 Duratec, everything is fine and runs very well however I have only one nagging issue and that is the rev counter, I am using the original Ford Mondeo V6 rev counter and all was well at first except when any electrical functions was used the rev counter would give a quick dip to 0 then back up other than that it would work fine, however the more I use the car the fault is getting worse, sometimes it just dies for no reason then will come back on again but very erratic in nature, I have double checked every thing I can think of, even tried another rev counter just to make sure. I am using the Ford EDIS unit hooked up to the Microsquirt module, I have also tried to get my rev counter working from the EDIS unit with no luck, should I have something else on the rev counter wire from pin 35? whatever it is it does not effect the running of the engine
Alan

Re: Erratic rev counter

Posted: Sun Apr 27, 2014 12:40 pm
by blake
Update on this, bit of head scratching went on here, with no help from the www I decided to try the trial or error method, for anyone with the same problem as I had, use pin 2 on the EDIS used for diagnostics on the original Ford set up, but only works with modern electronic rev counters as I am using the original V6 rev counter from the 1999 Mondeo it was not a problem, job done