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  #1  
Old 03-05-2004, 09:02 AM
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Join Date: Aug 2003
Posts: 21
Intermittent Climate Control

Hello all,
I have recently had a problem with my climate control, mainly the fan speed selector. If I shut my car off with the climate control on then the next time I restart it the fan speed control no longer turns the fan on. Warm air will still blow through the vents but the fan can not be adjusted. I was suggested that it may be a realy but I've not found anything wrong otherwise.

Any suggestions?
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Chris - '86 w201 16v Ronal Wheels, 5speed, Sony headunit, K&N, Nology Wires
http://chris.milbert.com/16vSigWheels.jpg
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  #2  
Old 03-05-2004, 09:57 AM
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Join Date: Aug 2001
Location: Evansville, Indiana
Posts: 8,150
Check the CC fuse in the fusebox -- they get corroded and work intermittantly. Ditto for the fan fuse (it's separate, I believe, 25A). That is just about the limit for a fuse there, and if it is a plastic one, it will melt and only contact part of the time. Replace any plastic fuses with ceramic ones.

There is also a fuse inside the CC on the 190 -- it can also be intermittant. If there is no power to the CC, it will default to defrost and full heat....

Peter
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1987 300D Turbo killed 9/25/07, 275,000 miles
1985 Volvo 740 GLE Turobodiesel 218,000
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  #3  
Old 03-06-2004, 04:35 PM
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Join Date: Aug 2003
Posts: 21
Just got finished switching out the blower speed selector with a new one I got from potomac german auto (http://www.pgauto.com). Worked like a charm! Thanks for the suggestions though, I checked out all the fuses first.
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http://chris.milbert.com/16vSigWheels.jpg
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