Nope, this switch doesn't exist in a 99. I had a 90 and YES, it did have
this switch. --Greg--

"Mandy" > wrote in message
...
> There is a switch back there somewhere that moves from A/C to HEAT mode
for the
> rear areas. Next to the Rear Fan Switch. Mine is on the drivers side
wall just
> behind the drivers seat. If this switch is in the A/C mode and you are
still
> getting heat then something wrong with the switch I would guess. Or maybe
a
> stuck damper valve.
>
> DB
>
> Anon wrote:
>
> > The rear air conditioning in my minivan quit working. The rear fan runs
fine
> > but the vent (upper) has no cold air blowing out of it. When the rear
A/C is
> > turned on, very hot heat comes out of the rear (lower) floor vents.
Front
> > air conditioning runs fine.
> >
> > It seems that the rear A/C is not being 'switched' properly as now the
rear
> > heat comes on when the rear AC is requested. Any ideas??
> >
> > Please respond to this newsgroup or if necessary, respond to:
> > GREG DOT CA REMOVE AT ATTBI REMOVE DOT REMOVE COM
> >
> > Thanks --Greg--
>