Heater Blower Fan Speed

Huw Powell audi at humanspeakers.com
Sun Feb 13 21:32:46 EST 2005

> I installed a new blower fan switch in my 1986 4000 CS Quattro today
> because I was only getting the #4 speed (highest) for my heat.  Well,
> with the new switch installed I get the same thing, only the highest
> setting works.  Does anyone know why?  I'm told there might be a ballast
> resistor near the fan motor but I'm not sure. 

There is a resistor, mounted near the fan, under the white plenum cover 
just behind the firewall.  It would be the typical culprit for your 

Huw Powell



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