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AC compressor & flashing lights 850 1994

posted by  KlausC on  Sun Jun 6 14:07 CST 2010
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last visit: Fri Oct 24 10:15 CST 2014
[RELATED]

Forget scanner, use the one on your car. Erase the codes in B-1:

go through all of the codes until you get the first one again. Then hold the button down for 7 seconds, release and the red light comes on again, push the button for 7 more seconds. That should erase the codes from B-1. Then check the codes that are remaining.

If the blower runs at low speed, the it is usually the balast resistor. About $100! at FCP Groton. If you are good at soldering, you can take the cover off the resister pack and stop at Radioshack and get a new diode/whatever it is called. Do a search on resister pack.

Or the sliding speed switch is defective.

The ECC unit stores its own codes and keeps them without electricity??? I got a replacement unit for my 1995 and it was full of codes, been out of a car for months.

Klaus
--
Why are Volvos so endearing? Its just a car.






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