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'88 90Q air con not shutting down properly

In message <c=GB%a=_%p=Quza%l=EXCHANGE01-970408155255Z-8279@exchange01.uk.quza.com> Ian Rawlings writes:

> Does anyone out there know what's happening? I've seen a problem with
> the air blower on the list, but this doesn't seem to be the same thing.

Not the same car, I know - but it _is_ the same year and country ...

On the 1988 ur-quattro with air conditioning, J155 (control unit for turbo 
cooling pump) can run the fresh air fan.  No, I don't know why, but it's quite 
clear from the diagram. 

This is a brown/black wire passing on its own through a blue connector and on 
to join another brown/black wire in a black connector, all behind the "switch 
panel".  On cars without a/c, the wire from J155 ends in a dangling blue 

 Phil Payne
 Committee Member, UK Audi [ur-]quattro Owners Club