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Re: Air Conditioning
Posted by David Prantl (more from David Prantl) on Mon, 1 Jul 2002 18:39:18
In Reply to: , Kok Chen, Sat, 17 Dec 1988 12:00:00 

>  If i keep my hand on the button, the AC turns on.  When  i let the AC 
>button return to the normal 'on' position,  the AC shuts off.

>  should i go to a SAAB dealer and buy a new switch?

This would be one way to fix it.

Alternatively, you could pick up a couple of used switches at a junkyard for 
a couple of bucks a piece.  The 9000 switches are quite rare, as only a few 
9000 cars came to the USA without ACC.  But, you're in luck, because any 900 
switch from about '86 to '93 should work just as well, and there are 
thousands of these lying around in junkyards.

Another way to fix it is to pull the old switch out, clip two wires )blue 
and yellow/white) from behind it, and connect them to a generic ON/OFF 
switch purchased from a place like Radio Shack.  It won't look pretty, but 
it will get the job done.
---
>  hmmm... blue/yellow wire sounds like the best for me.  which one is 
>positive/negative? or does it not matter ?

Doesn't matter.  All that the switch does is connect them together in the ON 
position, which turns on the A/C compressor.

Well, actually, by connecting these two wires together, you're telling the 
LH2.4.2 (fuel-injection system) computer that you want A/C to be on, and if 
it feels like it, it will turn it on for you...

The other wires at the back of the switch are for it's illumination.
Brown/White = positive, Black = ground

David Prantl
david_prantlno39sdcx6spamx782hotmail.com
'84 900S, 5M, 210kMi, RIP as of 2/98
'89 900, 3A, 116kMi, restored and SOLD on 3/24/01
'86 9000T, 5M, 200kMi
'88 9000S, 5M, 142kMi
'90 9000S, 4A, 141kMi
'93 9000CSET, 5M, 75kMi  -- FOR SALE in the TSN Classifieds --
'97 9000CSET, 5M, 60kMi
'68 97 Sonett V4, 4M, 76kMi, #000467

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