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2002 ford ranger air conditioner is not working. It won't accept freon so I think it's either the compressor or the fuse/relay. My fuse box doesn't have a diagram so I need to know what fuse/relay runs the AC.
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If the AC compressor is kicking in and out then you are probably low on freon. If the Compressor isn't kicking in at all then the problem could be a fuse or relay in the Power distribution box or the fuse in the interior of the car. If the fuse and relays are good then the problem could be a bad clutch on the compressor or a bad compressor itself. If the compressor is kicking in and out then get a freon refill can from Walmart or an Auto parts store and add freon to the system until the compressor kicks in continuously.
if freon is ok, check the air conditioner fuse and relay.there is a fuse box underhood,and another under steering wheel it has a dust cover over it. Im not positive about location of relay. but you can always call a auto parts store to find out. auto-zone etc.
FIRST I CHECK ALL FUSES AND RELAY.TO BLOWER MOTOR IF IT STOP BLOWING.AND CHECK FUSE TO HVAC SWITCH CONTROL.AND CHECK FUSE / RELAY TO AC COMPRESSOR.IF FUSE / RELAY GOOD POWER GETTING TO AC COMPRESOR CLUTCH COIL AND LOW PRESSURE SIDE 28 PSI AND HIGH SIDE 200 PSI. CLUTCH COIL IS OPEN.IF REFRIGERANT LEVEL LOW YOU MAY NEED MORE REFRIGERANT.YOU NEED AT LEAST 28 PSI ON LOW SIDE AND 200 - 220 PSI ON HIGH SIDE.IF ALL IS GOOD STILL NO AC PROBLEM COULD BE A FAULTY AC CLUTCH CYCLING PRESSURE SWITCH.
My AC quit all of a sudden and it was a switch in the ac line. It was located on one of the air conditioner lines almost next to the firewall. Looked like a little box. When the p/u was running and the ac was turned on, I tapped it with a screwdriver handle and the ac compressor came on. I think it was a low pressure switch and is supposed to keep the ac from running without any freon, so you might try that. Best of luck.<!-- from fixya rte -->
Only the blower motor not the ac,but it does have a relay,should be in the relay box along with other fuses,make sure it is not low,or out of freon,it will not energize the clutch coil on the ac compressor if it is low or out of freon.If not,and you know there is freon,and enough,remove the negative cable for 20 seconds to reset the ac sytsem.
If it blew cold air after freon added and 5 days later blew warm, you may have a leak in the system. Also check and see if compressor comes on if not you may have an electrical issue, relay for compressor,coil on compressor, etc.......
If the fuse is the problem it's located under the hood near the relay inside the rely box but I think you have a problem with the blend door not the fuse, if the compressor is turning and the fan is blowing then it also most certainly be a vacuum motor not functioning.
you need to replace the controll station this is a common problem on the ranger the controller seems to send a signal to turn on the air con compressor go to the scrap yard and get the correct controll panel and replace it alot cheaper than the oem unit from the dealer at 195.00 here in canada so give that a shot or wire switch direct to the 12 volt compressor clutch wires alot cheaper good luck waiting to hear more re issue
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