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A/C mystery - electrical problems? 900 1993

Note your problems on 1996 960 - I have reverse which if I took short cut would end up with your problem.

My compressor stoped pulling in few days ago but comes on for the odd minutes on a couple of times. Also Face vents do not blow in AUTO position.

Have tried 3 ECC units at junk yard but no help -- However according to engineer in aircon shop who checked usual gas and electrics says to operate normally needs 12v to Purple switch on radiator.

Have connected 12v to this and works -- maybe in your case previous owner wired somehow to this directly as well. (Most likely because no "ON" signal coming from Engine management box??

My next step is to have volvo shop check electronic analyser unless someon ecan tell me how to find and check for this signal (12V?)

Do you have any info for me???






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