Mostly likely the control knobs, that's what I associate with the burning
smell and then no fan. I have some some of those switches. I might need a
picture of yours to make sure I get the right one.

Jim

On Mon, Aug 10, 2015 at 1:39 PM sailingfc dslextreme.com <
sailingfc@dslextreme.com> wrote:

> 1987 Vanagon GL Syncro tin-top.  Overhead controls and ductwork, A/C
> system.
> 1. Fan speed "3" does not work.  Everything is still on, just no fan.
> "1", "2" and "4" fan speeds work.        Where do I start looking for this
> problem?
> 2. When I switch fan speed to "4", I start getting a burning smell from
> the vents.  When I go back down to "1" or "2", smell eventually goes away
> and runs fine all day long.        I opened the driver side A/C rear panel
> and see/smell no burnt items among the wires and relays.  Do you think this
> smell is coming from the evaporator coil area or the control knob area in
> front?
>
> Thanks.
> -Dick-
>