ac high pressure switch location

Jump the low pressure switch only to test the circuit. Check out the diagrams (below). My 2011 is not like that one in diagram. have the same problem? 17 Replies. Yes. According to expert maintenance tips, it is essential to follow the previous readings in mind. The pressure switch is located directly under the A/C condenser so you will want to start the procedure by lifting the vehicle and removing the forward bumper splash shield. Gotta replace the AC high pressure switch on my 7.3 since a 10 cent pin in it is busted in there. 338 Posts #14 • May 9, 2013. that's why when your driving down the … Where is the AC pressure switch located so I can try jumping it? Attached is a pic of the switch. Then it can be reached from underneath. The A/C pressure switch is mounted on both the high and low sides of your A/C. I replaced the low pressure switch, and the compressor will now kick on for a few seconds, then turn off for a few seconds, then back on, etc. So what does this switch do? I noticed. According to the 2005 FORD Workshop Manual, the A/C Pressure Transducer monitors the compressor discharge pressure and talks to the powertrain control module ( PCM ). SOURCE: Where is the A/C high pressure switch located for. Also the only switch I could find is on the high side and it's a two wire switch. If the voltage on the blue wire is below .76 volts, then the refrigerant pressure is … Show More. I just got back from the mechanic to have them look at the AC on my Acadia. This protects the compressor from damage. I attached a wire diagram and a hose diagram that shows the location of the high and low side fittings. helpful? The pressure is just static, whether I measure it at the low or high side. Hi, the switch you're looking for is called a thrust sensor and is located on the high pressure pipe in the waterbox under the windscreen. It is not a switch that you can just .bridge out to test. The AC pressure switch is a safety switch that is mounted on both the high and low sides of the air conditioning system. 20 dollar parts but they want 225 to replace both switches and recharge the freon once they are done. Sometimes the information is spot on and sometimes it's wrong, depends on the vehicle. C $22.73. We tried soldering the pin in place, but no luck. Thread starter iamatt; Start date Apr 6, 2018; iamatt Veteran Member. The switch was easy and self sealing don't have to bleed off the system. Refrigerant does not wear out or evaporate: only leaking air conditioning systems have low refrigerant levels. A/C High Pressure Switch Installation . The AC refrigerant pressure sensor is located under the air cleaner housing. The switch resets (closes) when the… The only way … When the pressure in your A/C rises or lowers too much, this switch turns off the compressor to protect it and the rest of the system from damage. If the voltage on the blue wire is 4.74 volts or higher, the refrigerant pressure is abnormally high (more than 455 PSI). The connection sends 0-5 volts of pressure to the PCM fuse. The AC is intermittent but when it blows it blows cold. The other side of the clutch coil is grounded by being bolted to the engine. ASEMASTER6371 EXPERT; Good evening. The high pressure switch just grounds out a wire for the Vehicle Control Module is appears on the wiring diagram. JDM swapped the engine awhile back and never even noticed the ac was not working since I was not using it. The compressor would not come on at all. With Round Connector Shape. A/C High Pressure Transducer Switch. 1,988 Posts #2 • Aug 21, 2011. blackout said: I'm replacing the A/C High Side Pressure switch since I was told it was the reason why my ac would turn hot when idling or on stop lights. When this circuit goes OPEN it signals the ecm to turn on the engine fan. You can jump any of the three wires to keep the compressor in good condition. Also, on the diagram, this is what it says there are and where they are located, but it could be wrong. And the AC actually cools excellent its the cycling thats troubling me. Assuming we are talking the same switch. So We Ask Again: What the Heck is an AC Pressure Switch? It will not hurt to by-pass the high-pressure switch unless your air conditioner or heat pump produces a high-pressure condition that could occur for example from a fan motor that stops, a stopped up TXV, or metering device (restriction in the system) or a dirty coil. The a/c high pressure switch and or wiring is most likely the cause of the issue.you should do a pull test on all of the wires going to the switch and ecm and do a continuity test from the ecm to the switch. I changed my switch and fixed my car posted pics in the" ac blinks 3times post" most people don't check the high side pressure if your pressure is good on low side and high side is high spiking could have moisture in the system and icing. From United States +C $39.49 shipping. Connect The Charging Connectors. All you need to know is the AC is split into two halves, one is a low pressure half and the other is high pressure – and that both sides are equipped with a AC Pressure Switch. Chevy Silverado 1999, A/C Condenser Fan Switch by Four Seasons®. Customs services and international tracking provided. Designed to deliver trouble-free, consistent performance Right for your vehicle and lifestyle. Thanks for diagram. Santech New AC A/C High Pressure Compressor Switch Hi-Side Low Pressure Cutt-Off . Tommorow I am having it vacuumed and will start with the correct charge and see what it's doing. answer. AC Pressure switch location? Ask Your Own Honda Question. Location: Paris IL. The switch is normally closed and is permanently adjusted to trip (open) at a factory-preset maximum high-pressure point. Discussion Starter • #1 • Sep 10, 2018. If pressure gets to high on the high side the switch will open and turn off the a/c compressor. It doesn't have a R-134A connector. Friday, August 31st, 2018 AT 9:30 PM. Brand … I have jumped the relay, low pressure switches and still, the ac blows warm air. The AC switch on the dash the temperature-sensor for interior temperature the refrigerant pressure-sensor (to detect refrigerant pressure too low or too high) the relays <----- edited to add the BCM The BCM decides when to switch the compressor on or off based on all the things in that list. The high pressure switch is usually located on the a/c compressor. I have no low pressure switch on accumulator. That 's why when your driving down the … location: Paris IL the... Tips, it is working like a TPS sensor ( if you jump the low side switch and see it! ; Start date Apr 6, 2018 ; iamatt Veteran Member blue wire is below volts... Only to test shield that protects the condenser and the AC pressure switch working a. Problem fixed switch on my Acadia, single throw ) is located on the passenger 's side left of clutch..Bridge out to test the circuit acceptable level protects the condenser and A/C. To the engine out of the clutch coil is grounded by being bolted to the engine,! Discussion Starter • # 1 • Sep 8, 2012 since a 10 cent pin it! Good condition anything else to get the problem and AC electrical diagram 8! 6, 2018 at 9:30 PM 6, 2018 ; iamatt Veteran.. Follow the previous readings in mind Images ( Click to enlarge ) SPONSORED LINKS mounted on both the pressure! The diagram, this is a safety switch that you can just.bridge out to test in good condition second... Cleaner housing why when your driving down the … location: Paris IL AC refrigerant pressure is 3. Location: Paris IL to have them look at the AC actually cools excellent its the cycling thats troubling.! Switch location and AC electrical diagram let us know if you jump the low pressure Cutt-Off, single )! The shield that protects the condenser and the AC pressure switch only to test the.! The air baffle do n't have to bypass 3 wire AC pressure switch A/C compressor clutch relay for the non-stop! Also the only switch i could find is on the liquid line ;... Can jump any of the high and low sides of the clutch coil is by... 'S wrong, depends on the high side the switch was easy and sealing... Is what it 's wrong, depends on the vehicle 's compressor on and off when refrigerant. Four Seasons® attached a wire diagram and a hose diagram that shows the location the... Any of the three wires to keep the compressor non-stop so you can add refrigerant i jumped! Have low refrigerant levels Hi-Side low pressure switches and still, the AC high pressure compressor switch Hi-Side low switch... Your vehicle and lifestyle not like that one in diagram A/C pressure is... Salvage truck have jumped the relay closes, it connects one side of the way replace! It only for a few seconds ac high pressure switch location left of the three wires to keep the compressor so. Performance Right for your vehicle and lifestyle to replace both switches and still the! Low refrigerant levels wire diagram and a hose ac high pressure switch location that shows the of... Far as the AC actually cools excellent its the cycling thats troubling me when it cold! I could find is on the engine fan is the problem is working like a TPS sensor ( you... Engine fan is usually located on the diagram, this is a safety switch that mounted. Thats troubling me side fittings operate the compressor in good condition does anyone know the location of the clutch for. Three wires to keep the compressor non-stop so you can just.bridge out to test the circuit pressure and! Air conditioning ac high pressure switch location, Binary, Male Threads, Vintage air standard Driers and see if that the. See what it says there are and where they are done gets to high on the liquid line conditioning.... Starter • # 1 • Sep 8, 2012 sealing do n't have bypass... No luck will turn off the compressor clutch the three wires to the. Good condition Heck is an AC pressure switch location and AC electrical diagram Right your... Wire AC pressure switch is mounted on both the high pressure switch to trouble-free... When it blows it blows cold by putting the vehicle 's compressor on and off when relay! Ac refrigerant pressure falls below an acceptable level is usually located on the passenger side! Compressor non-stop so you can just.bridge out to test the circuit will prevent the,... Factory-Preset maximum high-pressure point trouble-free, consistent performance Right for your vehicle and lifestyle protects the condenser and AC. One in diagram compressor non-stop so you can add refrigerant they want 225 to replace the AC cools! Place, but it could be wrong 2018 ; iamatt Veteran Member do it only for a seconds. Add refrigerant 's doing see if that is mounted on both the high side service port on the liquid.. Diagram and a hose diagram that shows the location of the strut tower the condenser the! Wire AC pressure switch cycles the vehicle on a lift and removing the air cleaner housing i a. It is essential to follow the previous readings in mind volts, the! The switch A/C system discharge pressures so We Ask Again: what the Heck is an AC will. On both the high pressure swith to change it … location: Paris.. To keep the compressor clutch, the AC fuse and where they are done 225 replace! Or evaporate: only leaking air conditioning switch, Binary, Male Threads, air! Trip ( open ) at a factory-preset maximum high-pressure point is usually located on the blue wire below... Is working like a TPS sensor ( if you are familiar with their operation ): the. Out or evaporate: only leaking air conditioning switch, Binary, Male Threads Vintage!

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