You can substitute a more commonly available regulator like the 7810 or
78M10, but you have to mount it face down because the pinout is reversed.

Larry A.

On Sun, Mar 16, 2008 at 7:31 AM, Mike S <mikes@flatsurface.com> wrote:

> At 10:41 PM 3/15/2008, Slloth wrote...
> >"Well, both the fuel gauge and the temperature gauge get their
> >operating
> >voltage from the voltage regulator in the dash pod.  I'd look there
> >first"
> >
> >Where is this located exactly in the '84?  Also what does it look
> >like?
>
> They're mounted on the back of the instrument cluster. They look like a
> transistor.
>
> They're in a TO202-1 package, so it looks similar to this:
> http://www.chez.com/xizard/Cours/Images/photo_transistor_TO202.jpeg
>
> VW used a TCA700Y, which have been discontinued and are getting hard to
> find these days.
>