That box controls when the EGT light comes on in the dash.  The button
on the box is how yo make the light go off!

        Gary

On Today, Fitz-Randolph, Douglas (Doug@BEACONTEL.TV) wrote:
> Can anyone tell me what the function of this thing is? (Yes Malcolm, I
> already looked in the archives) It's a black box about 3" square that the
> speedometer cable passes through. A 5-wire connector is attached, 3 of 5
> contacts occupied. Located under the van just forward of the front, left
> wheel on a 2WD. Not all vans seem to have them. Just about all the
> Golf/Jettas I looked at at the junkyard on Saturday have them mounted under
> the hood up where the wipers are in front of the driver. On the Golf/Jetta,
> the wires from this thing pass through the firewall in the same bundle with
> the wires for the cruise control vacuum pump... but this "recorder" doesn't
> have anything to do with the cruise control system, does it?
>
> Thanks,
> Doug Fitz-Randolph
> Freeport, ME
>
>
>