ok, anybody else working on this?
this is what i've got so far ...

  Common Electrical Problems
   found in
  1980-1991 Volkswagen Vanagons

   1. Ground Cluster - under dash, left/driver side,
  above fuse box.
  push-on connectors become corroded/dirty
  and fail to make consistent electrical contact.

  2. Fan Resistor - Radiator Fan

  3. Fan Resistor - Rear Seat Heater Fan

  4. Fan Resistor - Dash Heater Fan

  5. Power Windows

  6. Power Door Locks

  7. Ignition Switch - steering column

  8. Headlight Switch - dash instument pod

  9. Engine ground strap - left/driver side of engine

 10.  ??

so do we want to identify the problem area and location, and then
state the likely cause of the problem, and then the/a cure?

unca joel