At 11:46 PM 6/12/2012, Robert Ueltzen wrote:
>According to my Bentley for 86-92 Jetta,Golf, and GTI, the Digifant II
>has a throttle position switch, and no knock sensor like the Vanagon.
>The Digifant II also has a Hall Ignition Control Unit.  Digifant I has
>a throttle position potentiometer, an ignition coil power stage, and a
>knock sensor set up.  I believe the Digifant I system was used for the
>California cars in 1991, and 1992.

Well, that's definitive.  Thanks, Robert.  Sorry, volks who might
have thought I knew what I was talking about.

Yours,
David