Al,

The stock Cruise Control gets it's speed sensor directly from the back of
the spedometer.  Take off the instrument cluster to see the connection.
It's separate from other connections.  It's a two wire connection at the
back right of the spedometer.

Ch
'89 SyncroBeast Vanagon
'87 16V GTI
'80 850 Yamaha Special
'87 16V GTI w/ hale damage - parting out - body gone, parts remain
'89 16V GTI w/ toasted motor
'86 Scirocco (8 valve w/ auto) - SO's - now w/ it's own hale damage

anyone got a GLI with an automatic??

Prior Lake, MinneSnowta
well, ok, it's summer
Land of Sky Blue Waters

<<<***SNIP ORIGINAL***>>>
Date:    Mon, 19 Oct 1998 17:20:33 -0700
From:    Al Knoll <AL_KNOLL@HP-ROSEVILLE-OM2.OM.HP.COM>
Subject: Cruise Control Sensors

Piqued my interest.  Just what information does the VW stock 89 cruise control
get and where does it get it.  Motor speed via tachometer?  Driveshaft
rotation?
How does it know how "fast" the venerable beast is going?  I recently had a
miserable experience with an alarm installer who botched a bunch of things on
the van.  Tach no longer works, speedo cable ripped off the speedo, broken tab
on the instrument cluster housing so the cover rattles etc etc.

And of course the autopilot doesn't work now.  So what should I check to see
what other damage they've done re the cruise control.  It would help if I knew
what signals the CC uses and from where they originate.

Any help is of course appreciated.

al_knoll@hp.com

89 Westie syncro