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V70 compressor won't come on - AC clutch is OK - Relay? V70-XC70

posted by  someone claiming to be Csaba on  Fri Jun 3 22:37 CST 2011 [RELATED]

Hello,

OK, so I thought my AC compressor clutch was gone because it would not engage when I jumped it directly to the battery. Turns out the positive battery terminal's bolt was so corroded that it would not conduct electricity!
So the AC clutch is good, and the AC cools if I jump the compressor directly to the battery. The AC compressor or fan will not turn on when the AC button is pressed inside the car. The HVAC fuse is good.
I noticed there is an AC compressor relay. How do I test it? Does anyone know which terminals do I jumper to get the compressor to come on?
Thanks,

Csaba





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