>I have a 91 syncro westfalia which I recently acquired.
>It has the standard syncro fuel tank in the back as well
>as the usual (non-syncro) tank up front under the passenger
>seat.  It is a neat set up except I never know how much
>gas I have in the reserve tank.  I would like to install
>a gauge to show me this.  I initially figured on installing
>a normal vanagon sender and running the input to a gauge
>on the dash. Being a simple person at heart and in mind I
>then thought - why not use the existing gauge?  Is it
>possible to place a switch in the fuel sender circuit so
>that I could switch the gauge input from the front to rear
>sender (and back)?
I need to have some clarifications on this:

Where is the inlet of the secondary tank located?
Where exactly is the front tank located?
Where is the driveshaft driving the front gearbox?

Thanks
Helmut
'80 Camper