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F250 no power to ac compressor?
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F250 no power to ac compressor?
2015 Ford F-250 Super Duty. 4L, with front A/C only. A/C has around 97 psi on high and low with ac max compressor not engaged. Compressor clutch wont engage, 2003 Ford F-250 A/C problem. The only problem i have now is the compressor won't come on unless it's connected directly to the battery, only did this to confirm the AC compressor wasn't bad. Cooling, Heating, Ventilation & A/C - AC compressor has no power. Ac much warmer and no condensation from drain, took to shop. 01 ford f250 6. After you have a vacuum, hold the system there for about 30 min. I confirmed with a test light that the A/C relay is getting power from the fuse on the two pins where it should, pins 86 and 30. 0L Power Stroke Diesel - AC Compressor will not turn on (07 F250 SD) - Long story short: New AC compressor (installed OK) EVAC completed (OK) Recharge (OK) Reset PCM by disconnecting battery (done OK) AC Compressor still not turning on Thanks so much in advance!! 2006 F250 Lariat Crew Cab 4x2 88k miles, 4" Diamond Eye Turbo Back Exhaust, Amsoil 15W40 Synthetic Heavy Duty Diesel and Marine Motor Oil, Ea Amsoil 15k oil filter, Oil Charge Systems Amsoil Bypass Filter, SCT TSX (no custom tunes yet), Sinister Coolant Filter Kit, Zoodad Mod, Custom Diesel EGR Cooler Delete. 1999 - 2003 7. It quite possibly means the PCM is prevented from sending ground because another emission sensor is still indicating a problem. Thanks for the info. 4l ac compressor has no power checked fuse and relay all ok - Answered by a verified Ford Mechanic The air conditioning system, or AC system, on your Ford F-250 should give you years of trouble-free performance. there isn't enough air-flow at idle to cool off the compressor and dryer. gh35kXnuhRCoupon Code: HELPINGHAND-- Check out my NEW channel: https://. A manual AC compressor clutch is a type of clutch that can be engaged and disengaged without the use of electricity. AC Compressor Jump to Latest Follow 4K views 29 replies 8 participants last post by Dawson6. What I have left from the original wiring is in the picture I'm not sure where that grey or white lead goes to, and on the engine bay side everything is cut except for the single black lead to the compressor. The a/c compressor is not coming on. I've checked and switched out fuse 10, tried jumping the low pressure sensor plug from the accumulator, unplugged/replugged the two connectors beside the compressor, but the clutch will not move. May 14, 2020 · Forum Jump. 2 volts and I assume there is an issue with that pin from the pcm. I have verified w/ a multimeter when turning on the air, no power. 2015 f250 with 6 | Find answers to your 2015 Ford F-250 Super Duty question from certified mechanics and auto experts. 2011-2016 Ford 6. 030 " as specified in another post. See full list on 700r4transmissionhq. Truck has been awesome with the only other issue being that the driver side power mirror folds quite a bit slower than my passenger mirror. Turn the ignition On the relay should energize. I mean you can empty it yourself but it will be a pain to fill properly. The AC system uses compressed refrigerant to cool the cabin when you turn the air conditioning on. The unit will now drop down and you can fish it out the bottom. item 7 99-03 Ford F250 F350 73L Diesel Ac Compressor Idler Bracket F8Te-19D624-AB 99-03 Ford F250 F350 73L Diesel Ac Compressor Idler Bracket F8Te-19D624-AB00. The unit will now drop down and you can fish it out the bottom. Received 5 Likes on 5 Posts. My new Ford compressor actually says 7oz oil capacity on it 19993 LWB w/Usual Mods & 2002 F250 2X4 CC SWB (Wife's) Like The first step would be to bypass the cycing pressure switch which is where the power goes through. I mean you can empty it yourself but it will be a pain to fill properly. The most common reason why your AC clutch is not engaging is that the AC refrigerant level is too low or too high. Have an 2003 expedition 5. Later on I found that the two wires that connects the a/c. I am really frustrated with it. Under hood driver side by firewall I have 12v power to AC relay pins 1&3 as needed and ground is being sent to relay pin 2. 7L Power Stroke Diesel - 2015 F350 A/C compressor problem - I was returning from work a few days ago when I heard a strange grinding sound. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright. This item: AC Compressor & A/C Clutch For Ford F250 F350 Super Duty 7. So I checked the voltages to the relay and one of the same relay type (the horn) to see where the enable and where the 12V supply came in. Whether you need it for work or personal use, buying a used F250 can b. Come join the discussion about performance, bulletproofing, modifications, classifieds, troubleshooting. This is very common. I Hans a 2005 f250 , the a/c compressor will not come on ,. I was concerned with what the sand does to a compressor, so I replaced mine 06 F-250 x/c 4X4 sb 17" alloy wheels. Purged the system for 45 minutes, the system held vacuum so than I started to recharge. This indicates some form of wiring problem 2. It all started back in late May, when one 2024 Ford Super Duty owner posted that after two months of ownership, their A/C system began blowing hot air, after which a dealer replaced the system's. If no power is found at the compressor connector, check for power going into the low pressure switch (found on the accumulator). I checked the fuses and they are ok. I mean you can empty it yourself but it will be a pain to fill properly. Compressor clutch won't engage, system pressure @ 105 lbs, fuses OK, relay OK I would start by jumping the AC relay to see if the clutch will run, you do this by removing the relay and putting a jumper wire between 30 and 87 terminals, if the clutch runs then check. One of the most common AC problems on the 6. I tried adding Freon, but the clutch won't engage due to no power at the green wire at the compressor. I put gauges on it today and the low side pressure was fine when the compressor would switch on. Power comes there 1st. 10 posts · Joined 2011 took shim out and ac works great. thats one of the reasons why people use high-idles. The AC clutch coil was replaced. Location: Lorain County, Ohio Likes: 0. 50 on the high side feels very low. However, a bad electrical connector or broken wire, or a defect in the climate control unit can also cause the blower motor to stop working I am working on a 2005 f250 6 With no power to a/c comp. if it does, then start backtracking. Save Money and Do It Yourself. 2008 F250 6. This damage may take place during the assembly process. I am trying to get AC compressor to engage. At idle with ac, fan speed is anywhere from 380-500rpm, usually on the lower end. 2009 Ford F150 Lariat 4X4 Custom Edition, 5 Dryer is incorporated in the condenser, I can not seem to find any pressur. mbsfield18. Ford Mechanic: Gabriel Grey. there isn't enough air-flow at idle to cool off the compressor and dryer. A/c compressor no power. Naturally they make one for both gas engines, but not for the diesel. 7 Air Conditioning Issues. Try our Symptom Checker Got an. This indicates some form of wiring problem 2. 8L compatible with Excursion Heritage F-250 F-350 F-450 F-550 F250 F350. The clutch is not getting a signal to turn on. Once the fan came on on any particular trip it would stay. I was concerned with what the sand does to a compressor, so I replaced mine 06 F-250 x/c 4X4 sb 17" alloy wheels. "No power to Ac compressor?" Don't sweat it! This article will guide you through diagnosing and troubleshooting this uncomfortable issue. xfinity modem firmware update Check the compressor clutch first as it is easier and a pretty reliable diagnosis step. Less common causes are clogged expansion valve or orifice tube. Indices Commodities Currencies Stocks This question is about the ACE Elite™ Visa® Prepaid Debit Card (Pay-As-You-Go) @kendallmorris • 04/13/18 This answer was first published on 04/13/18. i need a diagram were the relays are located to check them. Does anyone have any ideas, I have checked fuse 47 it is good, no way to check the relay currently. Four Seasons Installer Kit A/C Compressor Service Kit ACK30119 Part # ACK30119 Limited-Lifetime Warranty. An evaporator is used on freightliner truc. 5L 460 4x4 3/4 ton, I live in AZ its summer time and Ive got no AC! So Im looking to get it working. You could take a chance and crimp the female connectors a tad, and hope for the best, you could replace the connector. So I have run into my first real issue with the truck I have been getting roadworthy since sitting 7 years. 1996 F250 XLT Ext Cab, Powerstroke, 4x4 Dana 60, Bilsteins shocks, BTS Trans,. So my truck ac doesn't work, got it looked at and first thing was a evac and recharge (It already had reasonable pressure) but still the compressor wouldn't engage. 7 Air Conditioning Issues. The a/c compressor is not coming on. Theoretically the oil capacity should drop as well to keep the oil/refrigerant ratio where they want. nj ts escorts Jun 18, 2018 · Have 2012 f-250 super duty that the compressor won't come on, have no power to the compressor relay at all, my question - Answered by a verified Ford Mechanic 2011-2016 Ford 6. Shayne, via a mobile device, May 7, 2021 #10. Ask Your Own Ford Question. Got progesssivley worse and took it back to the dealer, They replaced the compressor as they said it was leaking at the halves. L337TurboZ World Class Truck Squatter Silver Member. 3L Power Stroke Diesel - Intermittent AC Problem - Went on a 400 mile trip to the inlaws and back this weekend, having some intermittent AC problems. Get Yours Today! We have the best products at the right price. I hooked up a set of gauges to check the high/low sides, but will I even get. The switch will be under the hood and plumbed into the Low side of the front AC. Pin 2 with the relay removed has 1. Refrigerant is full right where it needs to be, just seeing if others have had this same issue. Order Ford F250 AC Compressor online today. It generates a magnatic field which pulls in the clutch hub. Your Ford F-250's AC compressor. 6. pink aesthetic quotes Sep 7, 2022 · Its not getting power to the clutch sometimes turning the recirc on and off helps. Dec 18, 2006 · 1983 - 2012 Ranger & B-Series - 1999 Ranger No Power to A/C Compressor - I have a problem. Got progesssivley worse and took it back to the dealer, They replaced the compressor as they said it was leaking at the halves. I replaced the low pressure AC cycling switch (on the evaporator/dryer). Found 2 of these so far. 0L Power Stroke Diesel. 3L Power Stroke Diesel - Intermittent AC Problem - Went on a 400 mile trip to the inlaws and back this weekend, having some intermittent AC problems. Here is what I've done, engine running, Max AC, clutch will not engage compressor: Jumpered low pressure line switch. 1983 - 2012 Ranger & B-Series - AC compressor turning on and off. With time, you may notice that the A/C in your Ford isn't performing as it used to. Making it the most powerful gas V8 in its class, rated at 430 hp and 485 lb of torque. Where should I check next? Hey all, I've got an 03 f250 6. Even with the delay in replacement parts, the trucks will be fixed long before the lawsuit is resolved. Long story: No power to the compressor clutch. Usually, if both high & low pressures are higher than expected, it is the result of too much oil, or too much refrigerant. The 76 and newer stuff will have a wire that controls idle rpm if the A/C is on at idle so as to not stall the motor because of the A/C load. repeat as much as you like. They said the compressor is fine and are at a loss for what’s wrong. Free Same Day Store Pickup. Generators use electromagnetic induction to convert mechanical energy into electr. The AC system uses compressed refrigerant to cool the cabin when you turn the air conditioning on. I just got the truck back after almost 2 years of saving up money to fix a blown head gasket/cracked head issue. When the AC pump would run it would draw the low side.
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I checked the AC Clutch Air Gap and it was between 40. 3 posts · Joined 2009 I am working on a '99 Ford Escort. Just a moment, please I have F250 SD, I have had the ac compressor replaced F-250, F-350, F-450, AND F-550. The A/C clutch is energized thru the A/C clutch relay located in the battery juntion box under the hood. I'm not sure if it is just a bad bearing or if the entire clutch needs replaced. However, pulling that actually cuts power to the blower. This indicates some form of wiring problem 2. 0 diesel AC problem Low side keeps dropping while high side keeps rising While compressor is on. I have a 2019 F 250 xl 6. Often, if the A/C is left on when the system is low on Freon, this switch will turn on and off repeatedly and be ruined. It has 58,000 miles on it with the 6 long beed extended cab. I had the A/C running on 67 degrees and the vents were blowing hot air. Jun 18, 2018 · Have 2012 f-250 super duty that the compressor won't come on, have no power to the compressor relay at all, my question - Answered by a verified Ford Mechanic 2011-2016 Ford 6. pulling compressors a bit of a chore on these. Power distribution box diagram. Checkif this fits your 2005 Ford F250 Super Duty. Nov 4, 2017 · 1 1999 to 2016 Super Duty - A CLUTCH NOT ENGAGING - I checked the fuse, it was good but I changed it anyway, the pulley turns but the clutch is not engaging, I checked voltage at the connector located on the compressor I read 14. I swapped the compressor (new w/ pulley) and left the AC off until I got it to a shop where they flushed the AC system, installed an orifice, accumulator and 42oz of freon. prime energy drink target I tried adding Freon, but the clutch won't engage due to no power at the green wire at the compressor. My leak was a slow one at the schrader valve on the low side. 4 at the shop, just replaced ac compressor, but not working, check fuses and relay, all seems fine, jump cycle switch and worked perfect for 2 hours, replaced cycle swit. It will remain stock. There is no power to it and at the relay 1 and 3 have power with the key on. This would prove the left side of the wiring diagram is working, minus the relay. It blew cold air for about 20 minutes. AC compressor clutch. Other than that it could be a laundry list of things. Get that system under vacuum for 30 minutes to try to evacuate the moisture out, then put the freon in. Massive, crushing, powerful, and invisible—black holes h. Here is a more detailed list of the most common reasons why your AC clutch is not engaging: 1. When the relay closes 12 volts passes thru the relay. I have taken it to 2 ford dealers and a local mechanic and I honestly believe they are. I confirmed with a test light that the A/C relay is getting power from the fuse on the two pins where it should, pins 86 and 30. So I have run into my first real issue with the truck I have been getting roadworthy since sitting 7 years. I have reviewed the wiring diagrams found in the 6. Ford Mechanic: Marc. I have a 2004 Ford F350 power stroke diesel with a 6 7 WHEN IDLING AC COMPRESSOR AND WHEN REVED UP LOW PRESSURE GOES DOWN AND HIGH GOES UP AND. To check it all you have to do is use a piece of wire and just jump the conector to make it click on. Applied 12v to the fuse port and hey presto compressor works. I am really frustrated with it. Here is a more detailed list of the most common reasons why your AC clutch is not engaging: 1. Purged the system for 45 minutes, the system held vacuum so than I started to recharge. kenshi resource map 1978 - 1996 Big Bronco - AC Compressor not cycling - I had my AC repaired a couple of years ago and this year, it is not cycling off and on. AC is blowing hot air, the compressor isn't firing up, the 2 wire connector is on tight, what else should I check. I have checked the low pressure sensor about the evaporator and the high pressure sensor on the back of the compressor and have no power at either one 1996 F250 SC/LB, 4x4 PSD, ATS stage 1 trans 5 star tcc, AC codes,TW tunes, magnaflow 4" exhaust, 6637 , FS 2500 bypass oil filter. You could take a chance and crimp the female connectors a tad, and hope for the best, you could replace the connector. Nov 15, 2018 · 6. AC compressor clutch not working and i traced, found and fixed the problem! hop. 1999 to 2016 Super Duty - No Power to AC Compressor - Just installed a new AC compressor and recently took off my dash to get to the HVAC plenum. 1987 - 1996 F150 & Larger F-Series Trucks - AC Compressor wiring diagram/diagnosis - I've got an 89 350 supercrew and the ac isn't working. It has happened 2-3 times in the last year, I have a buddy. There is a singlewire loom and plug running to the compressor that plugs in behind the pulley. The AC compressor is getting a command to turn on but is no longer able to, which would indicate that it needs replacing Posted July 26, 2017. 25,911 satisfied customers. 3 E-350 will fit in place of my compressor on my 96 7. Includes a brand new compressor with clutch and coil, plus the drier filter required for better long-term reliability Fits 2011-2016 Ford Super Duty pickups with the 6. Hello everyonehere a quick video on how i diagnossed the problem on this F150. If it does, the connection just needs to be cleaned and tightened up. No click, no idle change, no noise when rotating the interior switch to a/c. wheel of fortune answers This is ok as a diagnostic test, but there is a problem if you use it long term: The compressor will be damaged if pressure is too low, as it will not get the oil it needs, which is in the circuit with the refrigerant. Replace the fuse with one that has the right amperage rating. Lightning Owners Forum 9K+ members Forums0L Powerstroke Forums0L Problems Forum. 2005 F250 6. The A/C compressor on your Ford F-Series pressurizes the refrigerant in the A/C system. My EVTM shows it located near the compressor. An air conditioner clutch that repeatedly engages and disengages is usually an indicator that the vehicle’s system is low on refrigerant. 35 20A 9 Turns out that the gap on my compressor was 0 The gap should be as close to 0 The gap on my compressor has been the same since 1997. Insufficient and excessive refrigerant pressure in the car AC system are the most possible causes of compressor cycling on and off every 5 seconds. A pressure gauge can confirm if it's at the right level. Ford Truck Enthusiasts Forums. Feb 12, 2016 · Discount the compressor cable. Checked all fuses marked AC in any way, even swapped them all Received 2 Likes on 2 Posts. If the pressure is not right, then the AC system will not be able to produce the cold air required to adequately cool the cabin. If it does not run, something is wrong with the wiring or the compressor. Whether you need a vehicle for work or play, the F250 offers exceptional perform.
That front plate assembly was too far away to close the gap. a code reader to pull codes. If the compressor is cycling on and off, then the system is just slightly low on freon. Till about a month ago tried using the AC and it was just blowing hot air. A quick squirt of refrigerant did not resolve the problem, and it was clear that the compressor was not functioning and that the compressor clutch was not engaging…. Is it possible to do an overlay on that circuit or is there a splice somewhere preventing. small side table ikea You probably need to power the compressor directly somehow if you need to get it going to add freon to the system. 2 and the a/c clutch does not engage. I also searched online, but for the life of. 1973 - 1979 F-100 & Larger F-Series Trucks - A/C compressor conversion, York to Sanden - There have been several threads over the years about doing this swap, but most of them went a little beyond what I was interested in doing. When it gets far beyond the point of being white noise. ) 1987 - 1996 F150 & Larger F-Series Trucks - AC Compressor wiring diagram/diagnosis - I've got an 89 350 supercrew and the ac isn't working. When the relay closes 12 volts passes thru the relay. At the time I didn't test for power to the compressor. t shirt fails 0L Power Stroke Diesel 2003 - 2007 F250, F350 pickup and F350+ Cab Chassis, 2003 - 2005 Excursion and 2003 - 2009 van Ac compressor not staying on Posted 4/4/2017 20:51 (#5945051 - in reply to #5944981) Subject: RE: John Deere 8450 No Power To AC Compressor Hook blue coupler to low side port (suction) and red coupler (bigger diameter) to high side port (pressure ). Today we are tackling the A/C system on this 2001 Ford F250 V10 6 We are replacing the compressor, evaporator, condenser, filter drier, and of cou. Till about a month ago tried using the AC and it was just blowing hot air. 1999 to 2016 Super Duty 1999 to 2016 Ford F250, F350, F450 and F550 Super Duty with diesel V8 and gas V8 and V10 engines. Checked for power at the compressor and the high pressure switch. Engine off, unplugged the clutch, shot 12v to the clutch, clutch activates. I took it to a couple of local shops and they have quoted me no less than 800 up to 1200 to replace the compressor and the orifice. My question is this. northwest regional airport hangar for sale or rent 1464 posts · Joined 2014 Just remove the passenger side fender well and the belt. Found 2 of these so far. So I have run into my first real issue with the truck I have been getting roadworthy since sitting 7 years. Bad A/C button or control module/head unit. But overfilling usually causes one of three things to happen.
com/products/gt-twist-drying-towel?sca_ref=3749415. My Problem: The AC clutch does not pull in. I then checked the AC 10A fuse and it was good (checked with a $200+ Fluke Multi-meter) and also tried swapping a 25A fuse. 2004 Ford F150 No Power: My Entire A/C Unit Including the Heat Ford 2004 f150 power fuse sponsored links 2carpros locations panel ac compressor not engaging. The AC works but will eventually stop blowing cool air. This will tell you if the input to the PCM is getting there and the PCM is trying to operate the compressor. 6. 1999 to 2016 Super Duty - AC Compressor constantly cycling [SOLVED] - Apologies if this has been previously asked and answered but I have not found my exact symptoms. Turn the a/c on max, high fan. No click, no idle change, no noise when rotating the interior switch to a/c. The problem I found when trying to. 6l with manual climate control. I have a 2019 F 250 xl 6. Probably off on the low pressure switch. The compressor clutch is working and turning on and off as it should - just not cooling 1999 to 2016 Super Duty 1999 to 2016 Ford F250, F350, F450 and F550 Super Duty with diesel V8 and gas V8 and V10 engines. However, just like any other mechanical equipment, AC compressors. It is electrically in series with the power and the low pressure/clutch cycling switch. No need to remove the air box or grill. If you hear squealing or squeaking sounds from the compressor, or if the air from the vents. 97 ford escort. It generates a magnatic field which pulls in the clutch hub. Does anyone have any ideas, I have checked fuse 47 it is good, no way to check the relay currently. 323 posts · Joined 2007 Check the plug that's at the front of the compressor. aspen dental ratings Fortunately, it shut down just as I was arriving at the dealer so it was easy to trouble-shoot and fix. Aug 14, 2019 · Easiest and fastest way to replace your ac compressor. If you remove the relay and short Pin 3 to pin 5, the clutch on compressor should energize. SOURCE: ac was working fine the. I checked the low pressure switch, which is ok. You may need to remove the shim that is between the clutch and the pulley. The A/C clutch is energized thru the A/C clutch relay located in the battery juntion box under the hood. 1999 to 2016 Super Duty - No Power to AC Compressor - Just installed a new AC compressor and recently took off my dash to get to the HVAC plenum. 3L Power Stroke Diesel - 7. 684 posts · Joined 2011 The best way to do it is take it to a shop that does AC. AC compressor will not turn on unless its jumped from the relay, I tried replacing the relay with a known good one with no change SMH. Get into stop and go traffic, and the compressor disengages 2011 Ford F250 6 automatic AC compressor lost power Relay and fuse are OK Can I get a wiring schematic? - Answered by a verified Ford Mechanic 1987 - 1996 F150 - AC compressor not getting power - I checked around but I can't find a whole lot of info on the ac system. My EVTM shows it located near the compressor. Checked low side A/C schrader - manually depressed and has a nice strong hiss - I don't have a gauge to check the low and hi pressures. The outside temp was 64 degrees. Changed fuse, still no go. Check to see if you have pressure in the system. Is there pressure in the system? Unplug it and test, with AC switch ON in the cab, one wire at the pressure switch should have 12volts. 1999 to 2016 Super Duty - HELP - No power to AC Compressor - Looking for some help! I have a 2002 F250 V10. checked resistance between combinat. 3 F-250 ASAP!!! I can get a Ford Remanufactured Compressor for the van from a guy that has one and didn't use it for 75 bucks. AC compressor clutch. Jun 24, 2012 · Your truck is using R-134 for the A/C system. Ford Mechanic: Gabriel Grey. clash royale arena 17 deck Remove the center bolt from the compressor Once loose turn the ignition to off Locate the small washer that will either be stuck to the end of the spline shaft or inside the clutch disk. 7 custom ordered to have everything I wanted back in September. 4 Lariat 4" Turbo Back, AFE Dry Intake, EGR Block Plates, SCT Livewire TS with PIP tuning, 2. This indicates some form of wiring problem 2. 1987 - 1996 F150 & Larger F-Series Trucks. ac clutch fuse for 99 f250 sd. GT shine products: https://gtshine. The compressor is activated by the A/C clutch and is driven by the engine belt. -Watched my fan speed today with ac on. It appears the compressor works as it should, blows cold indicating proper refrigerant pressures, clutch will activate. 3 posts · Joined 2009 I am working on a '99 Ford Escort. It will be there somewhere. Check out free battery charging and engine diagnostic testing while you are in store Ford F250 Super Duty AC Compressor Bypass Pulley Pick Up In-Store. Replace with the same plus 1/2 ounce more. 7 that the past 2 days has stopped blowing air all together the defrost or nothing will work it’s happened right when I started it up or shortly there after and it won’t work for anywhere from 5 to 20 mins then it will all of a sudden start blowing air again and will. Often, if the A/C is left on when the system is low on Freon, this switch will turn on and off repeatedly and be ruined. If you’re planning to replace your home AC compressor, it’s essential to understand the factors that can affect the overall cost of the replacement. Ryobi's 18-Volt ONE+ Cordless Portable Air Compressor is perfect for inflating a tire or turning a pneumatic finish nailer into a cordless finish nailer. repeat as much as you like. With time, you may notice that the A/C in your Ford isn't performing as it used to. Will be purchasing a new battery tomorrow. 1995 Bronco/F-Series. If there is no power at the low pressure cut out switch, the problem is in the dash. Started the truck, put ac to max, the low side read 35 psi, high side 50psi but the compressor never.