Coil packs
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Thread: Coil packs

  1. #1
    1000+ Posts schlitzaugen's Avatar
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    Nov 2010
    loneliness capital of the world

    Default Coil packs

    I have two coilpacks, one Ford, one Bosch (off a 205Si). The Ford has three terminals, the Bosch has four. Why is that? Both are four cylinder.

    Found this:


    Is this info correct? And if it is does that mean I don't need the 25uF external capacitor in this picture:
    Last edited by schlitzaugen; 9th August 2013 at 03:08 PM.

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  2. #2
    1000+ Posts robmac's Avatar
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    Nov 2004
    Melbourne / Caulfield


    Probably the three terminal coil pack has one connection as "common" to both coils.

    Saves a millicent in manufacture

  3. #3
    Fellow Frogger! Molerpa's Avatar
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    Jul 2005
    South America, Argentina, That country that looks like hanging from the map... just about to fall...


    the one with the extra wire has the power module inside (+, -, trigger 1, trigger 2) and only receives the order from ECU, but the current, the dwell, everything is controller by its internal module... and the other, the ECU commands it directly (+ common, -coil1, -coil2)

    Quote Originally Posted by luthier View Post
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