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  #13  
Old 09-02-2013, 06:16 PM
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Re: 2002 Grand Cherokee Limited Air conditioner issue

Frank,...connecting pin 37 to 80 made instantaneous results. even w/o the engine on, the clutch clicked and when engine started it ran. i rechecked the relays in the horn slot and so the bottom line is...must be low on refrigerant.

thanks again for all the help on this. it has been a great learning experience.
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Old 09-02-2013, 10:52 PM
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Re: 2002 Grand Cherokee Limited Air conditioner issue

Yes, best is to take it to an AC service center, where they put it on a machine which empties the whole system, put it on vacuum and checks for leaks, whereafter it will put the right amount of lubricant and refrigerant into the system.
The pressure transducer could eventually be the problem, but that one can be changed without loosing refrigerant. ( a little bit could come out when removing the transducer, but then a schräder valve closes and keeps the refrigerant in the system)
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