Knock sensor light on '89 90 quattro?

[Jim Green]

While fumbling through the Bently trying to intigrate
the ISV to the EFI, I notice that the '88 90q had a
knock sensor light connected to terminal 3, I think,
on the ignition control unit.  I'd love to have one of
these on my car so I can better keep an eye on things.
 I'm pretty good at reading the diagrams, but am a
little confused if it will be possible to hook up.
Anyone done this on an '89?
Thanks,

=====
Jim Green
'89 90tq EFI
http://www.geocities.com/jeg1976/car_home.html

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