Hi

This is my first post here.  I've recently replaced my classic 900 EMS
with a 1995 9000CS (kids and baby seats).  The 900 was very reliable
but got very badly dented.

I had the 9000 heater core replaced recently.

The problem now is that since that day the fan will only run on the
highest speed.

This is causing me pain as the airconditioner will not work at this
speed and summer is coming (even to Melbourne).  The airconditioner
compressor runs when the fan switch is 1-3 but not on 4.

The mechanic advised me that this means the fan and/or a 'resistor'
have failed.

I am hoping that replacing the fan might fix this.

What I really want to know is why the fan would fail on the day it was
at the mechanics?   Also is the 'resistor' part of the blower motor
that is shown on the guides below or another component?

http://www.saab9000.com/procedures/ventilation/blower/blower.html

http://www.saabnet.com/tsn/faq/9000heatercore.html

Any advice on this would be appreciated.

Steven O'Reilly