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Wasted spark problems SHE RUNS, Still no rev counter though

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Old Jul 22, 2013 | 12:00 PM
  #41  
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Hope you can get it sorted, Just a thought does your crank pulley have all 4 lugs.
mine only has 3. one has gone missing runs like a bag of sh&t....
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Old Jul 22, 2013 | 12:05 PM
  #42  
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Originally Posted by Stu @ M Developments
No problem mate, we are here to help.
Ref Rev counter - make absolutely sure there is nothing else on the line between pin 21 and the tacho itself. It cannot take any form of signal pull down from the driver to tacho as it runs much less voltage than the standard coil signal which is why it needs the mod to the back of the tacho.

Ideally, just run a fresh wire there and bypass the WS loom on this side as that removes all the old Ford wiring from the equation.

Also ensure the voltage to both ECU pin 20 and the tacho itself is above 13v. This is critical for correct operation.
If you look at my last picture from where the tacho was removed there is a green and black wire that were connected to the group a which I insulated , is that green wire part of the signal, would that being disconnected cause a problem

Checking pin 20, would that be ground to pin 20 and ground to the tacho??

Appreciate all the help
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Old Jul 22, 2013 | 12:10 PM
  #43  
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Originally Posted by Down Boy
Hope you can get it sorted, Just a thought does your crank pulley have all 4 lugs.
mine only has 3. one has gone missing runs like a bag of sh&t....
Hope so too mate, just wanna have a little run in the car before I start a major build.

The lugs are all there, the car did run ok before the conversion, it used to slightly hunt so changed all the sensors and inlet manifold gaskets etc, it did have group a coil and motorsport leads but they were already on it when I brought the car, rather than mess around buying new leads and coil just thought do it once properly and get the W/S as heard works so well.

I'm a man on a mission, got to keep the faith going, I will get this sorted
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Old Jul 22, 2013 | 06:07 PM
  #44  
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ok cheers stu i do appreciate the help, ive taken the loom ecu and sensors etc out of the car now, i cant see that im going to get anywhere with it in the car anymore as i seem to have tried everything, is it possible i can send the whole lot to msd to have it all checked atall?

for all i know it could be the engine loom im using thats at fault, but then the car did fire on 2 cylinders for a brief minute when i first tried to get it running about a month or 2 ago by just messing around turning the dizzy about but could have just been some sort of luck, i really dont know









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would it be a good idea if i send down the the crank sensor, crank sensor bracket, crank pulley, dizzy, ignition amps, loom, coil pack, plugs and leads, and ill label up the wires ive got connecting into my cars interior loom just incase you find ive got them wrong?

sorry to sound a bit crazy but i dont know what other way ill solve this problem and getting my car from essex to blackpool on a car transporter is going to cost me an arm and a leg

cheers nick
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Old Jul 23, 2013 | 09:06 AM
  #45  
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New amp should be here today, wonder if I can get half a days leave
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Old Jul 23, 2013 | 09:23 AM
  #46  
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New amp should be here today, wonder if I can get half a days leave
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Old Jul 23, 2013 | 01:10 PM
  #47  
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So the new Amp was ordered from MSD yesterday and arrived this morning

Blagged half a day off work, sick relative (called Cosworth ) lovvl

Anyway plugged in the new amp, held my breath and..... she runs sweet, only the rev counter to sort out now...YAY

Thank you everyone for advice and encouragement
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Old Jul 23, 2013 | 02:10 PM
  #48  
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That's good news then! Worth fitting 2 new amps then when your at it.
Does anybody have the fitting instructions? I can't find mine any where and am about to fit my kit soon.
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Old Jul 23, 2013 | 03:47 PM
  #49  
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Result mate!
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Old Jul 23, 2013 | 05:44 PM
  #50  
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Originally Posted by lee2cossies
That's good news then! Worth fitting 2 new amps then when your at it.
Does anybody have the fitting instructions? I can't find mine any where and am about to fit my kit soon.
If you want I can photo copy mine and send you a copy??

Pm me your address and I'll post them to you

Originally Posted by JamesH
Result mate!
I know, thanks
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Old Mar 29, 2019 | 09:45 PM
  #51  
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Originally Posted by delbee1
If you want I can photo copy mine and send you a copy??

Pm me your address and I'll post them to you



I know, thanks

Hello and sorry for the feedback of the post

so if I understand correctly by changing the two ignition amps it has run at the level of the tour account?

an ignition amplifier can work partially?

My turn count worked perfectly and suddenly he dropped

thank you for your answers

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