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You should have either a "snow flake " looking button that willl turn it on and off. The other style is all controls with air conditioning are in blue. All functions with air conditioning is not colored blue. You will have air conditioning on automatically if you run the defrost.
maybe there have something wrong on your air conditioning, I recommend to you the Multi-Diag Access J2534, it has the function for air condition, such as Diagnosis of cooling electronic, Reading settings cooling circuit,Test servo actuators http://www.allobd2.com/wholesale/[email protected]
The blower fan relay is located in the fuse box on the driver's side fender-well.A Jeep Cherokee uses an electric fan as an auxiliary fan for engine cooling and for cooling the air conditioning condenser when the air conditioning is in operation. A radiator temperature-sensing switch that activates the fan relay at 198 degrees F turns the fan on and controls its operation. The temperature drops when the vehicle is in motion and the switch turns the fan off. When the air conditioning system is in operation, the air conditioning relay supplies power to the fan relay via a fan diode downstream from the ignition switch. This diode activates the fan relay and keeps the fan operating as long as the air conditioning is on.Thanks. you can rate this solution and show your appreciation.
The Air-conditioning needs to be re-gassed. Take the car to an Auto Mechanic to get the Air-Conditioning re-gassed. They might also need to check it for leaks to make sure the gas stays in.
If I understand correctly the A/C light goes on and off. If so, try to gently push the switch to the side(Not in) while the A/C is on. If this keeps the system working, you need a new control assy(Complete control head)
your car has two electric cooling fans one is specifically for the added heat load the A/c puts on the system. . This fan isn't turning on...check your fuses and the fan relays
either the belt is loose or there is a compressor issue (either the clutch or the compressor is most likely shot)
I used these guys for my last one to have it shipped to me. If you haven't done this before it is not an easy DIY job (you need a vaccum pump, and gauges to do it correctly
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