Coils for ION ... still a bust somewhat

[Raymond C Drouillard]

On Fri, 29 May 1998 22:07:40 -0700 garfield at pilgrimhouse.com writes:

>>I may be overlooking something obvious... but what does Saab use?  Can
we
>>go down to our friendly Saab dealer and buy the ignition coil that they
>>use with thier ION system?  Can the coil be bought seperately, or is it
>>part of a bigger assembly?
>
>The SAAB DI system is all one big potted together part, with all four
>IGN coils sticking outta the bottom, and bolts into the valley between
>the two cam towers, sits right ontop the spark plug tips, and has only 
>9
>signals in the interface. Included in that complement of signals, is
>digital fire/misfire indication for each plug pair (which when
>intersected with the crank sensor, determines which individual 
>cylinder
>is sensed), an analog knock signal, 4 digital lines to fire the
>individual coils, +BAT and GND. That's it. The entire thing is a FRU
>(field replaceable unit) and lists for around $300.
>
>Elegant, no?
>
>Gar

Really elegant.  It looks like the assembly can be lifted and, with some
creative interfacing, put into another engine.  It's cheaper than that
Jacobs box that I have now, too.  Of course, I would need two of them for
my Jeep engine.

Ray Drouillard

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