John;
        For Digijet systems(83.5 to 85): The blue bodied, two wire device
is the Temp sensor. It supplies info to the ECU or brain. The smaller,
single wire device next to it is refered as the sender. It controls the
temperature gauge. They are both near the thermostat.

        For Digifant systems(85 to 91): they are still near the
thermostat but both are two wire devices mounted on the coolant
distribution manifold. The ECU's sensor points to the side of the vehicle
and the gauge's sender points to the front.

Drive Safely & Good Luck
Ken Lewis<Kernersville,NC>86 VW crewcab;60 T-5 Coupe

On Sun, 12 Dec 1999 11:27:59 EST John Mahnken <JMahn48749@AOL.COM>
writes:
>      Hi Folks,
>  Can anyone tell me what the difference is between the Temp sensor
>and the
>Temp
>sender on an 84 1.9 waterboxer?The part #'s are 025906041 and
>025906041A
>respectively.I can't seem to find a reference to the Temp sender
>anywhere in
>my Bentley manual. Also, where does the Temp sender reside?
>          TIA,
>                      John Mahnken
>                       84 Westy

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