That is the wiring junction box for the vehicle wiring. The silver label
has nothing to do with what is inside the box, it was just a good place
to put a hose diagram.

Mark

Dick Wong wrote:
> Since I'm a noob on Vanagons and only a little familiar with the VW I5
> engine, Can someone tell me what was that black box on the driver side
> forward wall?  (the one with the silver label)
>
>