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My ac compressor isn't working,I bought a new one and replaced it,and I made sure the refrigerant is good ,I checked the fuses the only thing that I can think of is the pressure switch .any other ideas would be appreciated. When you turn on the air conditioning, you expect to feel cold air pour out. The low pressure side switch is located before the AC compressor, while the high pressure switch comes after the compressor. Question; Is there any chance that the compressor is still good and not working because of a short somewhere between fuse box and switch atop the compressor? Make sure you have the windows open, so the air doesnt cycle itself. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. In rare cases, a fault in the climate control unit can cause the blower motor to stop functioning properly. The wiring from the air conditioner control switch inside the vehicle carries less than 20 amps and grounds the relay to activate the air compressor. Fuse box diagrams Advertisements 1996 Passenger compartment The low pressure switch ensures that the pressure never drops too low. The cover of the relay box has a diagram showing which relay is the fan relay. Conor specializes in home and garden, dogs, legal, automotive and business subjects, with years of hands-on experience in these areas. I am including a diagram that shows the WOT relay and where its power and grounds come from. Trade. Many modern vehicles have an electronically controlled AC system, and in this case you can see the values coming from the pressure sensors with the scanner. Today we are going to look at the symptoms of a bad AC pressure switch and help you find the location. There is also an auxiliary relay box. Where is the oil pressure sending unit located on the 1990 ford explorer with a V6 2.3 engine? However, many components make up the air conditioning system, so your problem could be entirely different. Find many great new & used options and get the best deals for For 2002-2012 Ford Explorer Rear Window Defogger Connector SMP 32288CW 2003 2004 at the best online prices at eBay! I have searched my owners manual high and low for the location of the AC relay; the manual is unclear, unless I am just plain dumb. Asked by Teresa Jul 04, 2018 at 02:19 AM about the 2013 Ford Explorer. The output voltage on the multimeter should read around 12 volts. Open VPWR circuit to the WAC relay. If your AC doesnt run, the refrigerant pressure switch sensor might be defective. Hyundai Santa Fe 2005 v6 3.5 thank you! WARNING:Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market. So can it be the pressure switch thats stopping the power from coming through. Rear Window Defrost Relay smart junction box (SJB). When the AC compressor pumps out refrigerant without the correct pressure, it can cause significant damage to the compressor, leading to higher repair costs. However, working with air conditioning systems can be difficult and even illegal in some countries due to the fact that releasing refrigerant into the air is very bad for the environment and there are some dangers to handling the refrigerant. If your AC pressure switch is not working, it can cause your whole AC system to malfunction. This website uses cookies to improve your experience while you navigate through the website. Ford Explorer / Police Interceptor Utility 2014, A/C Clutch Cycle Switch by Motorcraft. I like to know more with one four wires ac pressure switch. 2005 Ford Explorer V8 AC Inoperative. My engine fan stays on all the time regardless of the temperature. If the pressure builds up too high, an explosion can occur in the system. 2017 ram 1500 , A/c intermittently stops blowing cold . Fuel Pump Relay battery junction box . The air conditioner uses high-amperage wiring, which could be dangerous if wired into the cab of the Explorer. The accumulator is usually found at the back of the engine compartment, mounted to the firewall. See attachment. When this happens, you may hear unusual whirring or droning noises from behind the dashboard. Hey magnus I just recently changed compressor ,expansion valve and dryer on my 2009 honda civic, and the ac is still. RELATED: 5 Symptoms of a Bad Car A/C Condenser. The more accurate way to test if the blower motor is bad in Ford Explorer is to connect it directly to a 12 volt battery using alligator clip test cable. They include wiring diagrams and technical service bulletins. However, this is not recommended, as it may lead to damage to the system. 2012 ford explorer ac relay location. 1998 . The air conditioner relay on a Ford Explorer is located in the relay box near the driver's-side fender well. 15A: 12: . Check the purpose of the elements with your technical documentation, and in case of difficulty, contact your dealer. I have a honda civic 1995 model carb type. The AC pressure switch is an important part of your air conditioning unit. The air conditioner relay on a Ford Explorer is located in the relay box near the drivers-side fender well. Power distribution box Ford Explorer - fuse box - power distribution box Passenger compartment fuse panel Ford Explorer - fuse box - passeneger compartment WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market. This is actually your wide open throttle relay that will turn off the compressor if the pcm see the need to do so when accelerating hard to allow the engine to create more power. 110V AC power point, Power folding mirror, Power mirrors, One touch up/down front windows, Door lock . Toyota Corolla Nze, I'm having the same problem with my GMC Sierra. However, on modern car models, they seem to be quite reliable, even if they are more advanced than they were before. See other Ford Explorer: Ford Explorer (1996-2001)>> Ford Explorer (2002-2005)>> Ford Explorer (2006-2010)>> Hi I have 2014 Ford Fusion 1.5 lt I charged my ac when I turn it on it builds too much pressure and does no cool at all please answer. For cigarette lighters and sockets, fuses numbered 9, 20 and 21 at 20A are responsible. . Most AC pressure switches are found within the engine compartment, but some manufacturers put them elsewhere. The blower motor is the component responsible for pushing air through the vents of your vehicle's heating and air conditioning systems. Auxiliary relay box 2 is located behind right rear quarter trim panel. With 3 Leads. For 1973 Volvo 1800 Headlight Connector AC Delco 55699YG (#394452173022) a***h . Instead, the air conditioner uses a relay--a remote switch. Replace Cap - Replace the AC low pressure port cap 6. There are many ways to test a resistor, but the most easiest and basic method is to check the voltage at the electrical connector on the blower motor with a multimeter. 9 Causes Why Your Car AC is Not Blowing Cold Air, Does AC Stop Leak Sealer Work? To check the fuse, pull it out of the fuse box using a fuse puller or needle nose plier and hold it against the light. Castrol Edge vs. Mobil 1 Oil: Differences & Which Is Better? Direct OEM replacement for proper fit Recommended by Ford Motor Company $96.53 Motorcraft Wiring Harness 0 0% 37 % of the time it's the AC Refrigerant Leak 0% 21 % of the time it's the Climate Control Electrical Issue 0% 12 % of the time it's the AC Compressor 0% If you have any questions or want to help supplement the material, write in the comments. Requested for further correction but they failed. When you turn on the AC fan in your Explorer, and the air does not flow out of the vents, or the airflow is poor or inconsistent, it could be due to a broken blower motor. Listen for the distinct clicking noises from both under your cars dashboard and in the engine compartment, telling you that the switch is turning the compressor off and on. 2013. There is also an auxiliary relay box. RELATED: Does AC Stop Leak Sealer Work? My compressor clutch kicks in when I turn on the a/c. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Plus, our guide reveals how to test a bad AC pressure switch and discusses the possible replacement cost. It is mandatory to procure user consent prior to running these cookies on your website. See answer (1) Best Answer. Produced from 1990 to the present in five generations. First checked the relay and fuses and were all good. I have voltage going into the switch. (LS3 Engine) Use the Ohm setting on your multimeter and measure between the signal and the ground pin. These cookies ensure basic functionalities and security features of the website, anonymously. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. Produced from 1990 to the present in five generations. Open hood and look on fire wall passenger side, should see blower motor, resistor pack is either right on top of motor or a big harness connector . Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. Fuse box diagrams, fuse layouts and assignment. High, low pressure switches? Fuse 7 is 5amp, output wire is YE/RD at CJB. If you find a trouble code on the AC pressure switch circuit, you need to measure the wires to the switch, and if they seem good, you need to replace the AC pressure switch. What does the AC pressure switch control? This website uses cookies to improve your experience. If you are lucky, the wiring diagram will be drawn on the facing. The cost of diagnosing the P0645 Ford code is 1.0 hour of labor. 110-volt AC power point, Power folding mirror, Power mirrors, One-touch up and down front windows, Door lock illumination, Memory switch illumination. Use always an intact fuse of the same color. The ac mechanic told it is due to problem in sensor as air ia sufficient and asked to replace compressor and radiator as sensor is not available in market. PCM Power Relay battery junction box . The high pressure switch monitors any blockages in the system that would lead to more pressure on the high pressure side. Pull the panel cover outward to access the fuses. This cookie is set by GDPR Cookie Consent plugin. In any case, it is advisable for laypersons to visit a workshop as you can easily do more damage to your vehicle, especially to the electrical system. The Explorer does have a Fuel Shutoff which could be activated by a rear end collision but if that is the problem I don't think you could drive very far if at all.It is explained on page 288 of the 2015 Manual (2nd printing). Check a wiring diagram and repair manual before. I. 2012. 2022. The high-pressure side should be around twice the ambient temperature with 50 PSI added.