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Thread: Which one of these Sierra ignition wiring drawings is the right one?

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    Which one of these Sierra ignition wiring drawings is the right one?

    I've been trying to install the Sierra's electronic ignition into pinto engine and I found several wiring instructions from Google, but they all say different things. So anyone happen to know, which one of these is the right one?

    http://www.turbosport.co.uk/attachme...433588&thumb=1

    http://i24.photobucket.com/albums/c3...jc/lecyign.jpg

    http://www.capriwiki.com/images/6/66/Lecyign.jpg

    and then I found this one. http://media.turbosport.co.uk/2006/9...%20(Small).JPG

    It looks exactly like mine, has the same serial number, but there the brown ground wire is on the opposite side what it is on those drawings above. Even if you turn the wires other way around, the colours still won't match. I don't have the connector piece of the module, so I don't know what the colours of the wires were in my module originally.

    I'm so very confused...

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    Re: Which one of these Sierra ignition wiring drawings is the right one?

    Forget them all ...
    See pic below, from left:
    G = green = coil- (Ford colour is green)
    R = red = +12V via ignitionswitch (Ford colour is black)
    leave open
    YR and
    YB go to the sensor inside the distributor (Ford colours are orange and purple)
    B = black = ground (Ford colour is brown)


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    Re: Which one of these Sierra ignition wiring drawings is the right one?

    Thanks Miniliteman, now I know how it really should be wired and that pic is also consistent with the real photographs of Sierra's original wirings I've found.

    But the car doesn't get spark. I bought the carbed engine with the distributor and that module (for Escort MK1) and I don't really have a reason to assume they are from different cars, but my distributor has three wires coming from the dizzy; green/yellow, black/red and brown. I assumed the brown is ground. Some people on the web says that three wired connector from dizzy means it's an EFI dizzy? also mine doesn't have a vacuum advance piece on the side. Seller said the engine is from 88/89 Sierra.

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    Re: Which one of these Sierra ignition wiring drawings is the right one?

    Efi distributor has plug like this

    And doesn't have vac advance so does sound like yours could be an efi one.

    Any particular reason you want to stick with sierra bits? Personally I'd run a powerspark distributor, very easy to setup and good advance curve.

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    Re: Which one of these Sierra ignition wiring drawings is the right one?

    Well, that looks just like mine...

    I didn't have any special feelings for Sierra bits, I just thought since I have those parts and this particular car doesn't need to have the absolute performance, I might just as well use them. Also I thought it would be easier and cheaper to replace parts in future, if I use stock parts in this car, that I'm gonna use almost as a daily driver? But I guess I'm gonna go with "powerspark". And I thought before anyway, that the only way possible is to go is with aftermarket dizzy.

    One of the powerspark kits comes with Lucas coil and... I have some "memories" with stuff that says "Lucas" in them, but is the modern day Lucas something you can put your money into?

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    Re: Which one of these Sierra ignition wiring drawings is the right one?

    The photo that the duck posted is indeed of an EFI engine; it gives a fixed timingpulse to the ECU.
    For the 199 module you need an earlier distributor with vacuum and mechanical advance, see attched photo.


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    Re: Which one of these Sierra ignition wiring drawings is the right one?

    This was fitted to a 86 to 89 carbed 1.8 pinto Sierra, with a static advance dissy with a 3 pin rectangular plug.
    Attached Thumbnails Attached Thumbnails Sierra mod 5.jpg‎  


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    Re: Which one of these Sierra ignition wiring drawings is the right one?

    Does anyone have a diagram for this one?

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    Re: Which one of these Sierra ignition wiring drawings is the right one?

    It's in the Haynes Sierra manual.

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