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I don't think it actually measures crankshaft position. I think it
only sends a signal once per rev, it sees a hole in the flywheel. To
get position you would have to integrate time with the flywheel
sensor. My guess is that it was to be used to measure RPM's when you
hooked up a test rig to the diagnostic plug. No longer needed, any
good timing light can read RPM's now. This is not exactly a crankshaft
sensor as used in modern engine management control systems.
David Teitelbaum
vin 10757
--- In dmcnews@xxxxxxxxxxxxxxx, mike.griese@xxxx wrote:
>
> The sensor is to measure precise crankshaft position.
>
> --
> Mike
>
>
> -------------- Original message from "cruznmd" <racuti1@xxxx>:
--------------
>
>
> >
> >
> >
> > You are correct:
> >
> > There is a pickup in the flywheel. I've seen it while I was
replacing my rear
> > crankshaft seal. Many cars are missing the small metal plate that
has the wire
> > and pickup sensor on it that goes to the diagnostic plug. I
actually still had
> > mine.
> >
> > The possible purpose of this pickup other than measuring RPM's by
means
> > besides the ignition eludes me. I'm sure a vendor like Don Steger
(who
> > worked at the factory) could shed more light on this.
> >
> > Rich A.
> > #5335
> >
>
> [Non-text portions of this message have been removed]
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