Re: climate control replacement

["Fred Munro" <munrof@isys.ca>]

Hi Ti;

    The CC system on my '91 200q was a GM unit, as was the one in my '86
5ktq. On both cars, the rear defrost was controlled by a switch in the row
of switches on the centre console, the same as the S4. In fact, the switches
used in the 200q are identical to the switches used in the S4. Maybe the
Canadian cars have a different set-up than the U.S. cars.

Fred Munro
'94 S4  91k km

----- Original Message -----
From: Ti Kan <ti@amb.org>
To: Fred Munro <munrof@isys.ca>
Cc: Livolsi Stephane <livols1@investorsgroup.com>; 'Audi Quattro List'
<quattro@audifans.com>
Sent: Saturday, October 23, 1999 9:53 PM
Subject: Re: climate control replacement


> Fred Munro writes:
> > Hmm, interesting, Stephane. These defrost circuits pull a lot of power,
so
> > there may be a relay somewhere. The switches on a climate control unit
are
> > not usually very heavy duty. I've never seen a rear window defrost
switch in
> > the CC head - my '86 5ktq had the switch on the dash from what I recall.
>
> Fred, you must have forgotten, then.  All North American 84 and later
> type 44 cars with the GM-sourced climate control have the rear
> window defogger switch on the climate control panel.  However, you
> are right in that the defogger is a heavy current consumer and there
> is a separate relay that activates it.  The switch on the CC is merely
> a momentary touch button that tells the CC head to activate/deactivate
> said relay.  On most type 44s (except the 1984 non-turbo) this relay
> is on the auxiliary relay panel under the dash, the rightmost one on
> the bottom row,  This panel is accessible via the little door under the
> dash.
>
> On the 92 and later style climate controls (such as on your S4), the
> rear window defogger switch is a separate switch on the center console.
>
> -Ti
> 96 A4 2.8 quattro
> 84 5000S 2.1 turbo
> 80 4000 2.0
> --
>     ///  Ti Kan                Vorsprung durch Technik
>    ///   AMB Research Laboratories, Sunnyvale, CA. USA
>   ///    ti@amb.org
>  //////  http://metalab.unc.edu/tkan/
> ///
>
>