If you are lucky, the wiring diagram will be drawn on the facing. You can drive your car with a bad AC pressure switch with no problem, but the AC system wont work. Toyota Corolla Nze, I'm having the same problem with my GMC Sierra. 2003 Toyota 4 cyl. The AC blower motor is not part of the regular maintenance on Explorer, you replace it when it dies. It will sound like the clicking occurring when the compressor normally activates, except the air wont work. Rodents, such as rats or mice, can get under the hood or even make their way inside the dashboard of your Explorer and chew on wire coatings, which can cause all sorts of electrical problems. 10. Performance upgrades, maintenance, modifications and problem solving. If your car dont have the ability to check the AC system with a scanner, you need to do it manually. If the blower motor stops working due to a fault, the air will not flow out of the vents when you switch on the AC in your Explorer. Car AC Compressor Relay Replacement Cost Service Location SELECT YOUR VEHICLE $106.80 - $197.34 Price range for all vehicles ( 25) Almost every single electrical system on a car is powered through some kind of switch or electrical relay, and the AC system and compressor are no exception. Remove the panel cover to access the fuses. 2012 ford explorer ac relay location - vivelive.ai Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. Eautorepair.net redraws factory wiring diagrams in color and includes the component, splice and ground locations right in their diagrams. Fuse 7 is 5amp, output wire is YE/RD at CJB. They include wiring diagrams and technical service bulletins. I replaced the low side, but cant seem to find the high side switch? With the wiring plug still plugged in, touch the jumper wire to the hot side relay lug, from the controls as already identified and from the relay lug that feeds the A/C compressor. Castrol Edge vs. Mobil 1 Oil: Differences & Which Is Better? How do I know its bad? M10 x 1.25 - 6H Thread. High pressure at 125. My tahoe 2004 has been sitting for a couple of years.the Acshows a high pressure.can't fill with 134a.it won't flow intosystem.blows warm air.Could it be a high pressure switch? Light on the inside is still blinking, no a/c and no voltage going to the switch on the compressor. I have checked the fuses and control switch, it is found ok. Trailer Tow Relay, Battery Charge Battery junction box. '10-'15 Ford Explorer Fuse Box Diagram However, many components make up the air conditioning system, so your problem could be entirely different. Please!! For 2002-2012 Ford Explorer Rear Window Defogger Connector SMP 32288CW Still won't come on. 33. Vehicle power #3 (coil) - A/C clutch relay, Fan control relays, Variable air conditioning compressor, Auxiliary transmission warmup, Turbo charge waste-gate control, Electronic compressor bypass valve (for turbo charger), All-wheel drive module, Positive crackcase ventilation heater. However, when the AC pressure switch goes bad, warm air might be all you get. -or- 2. sounds like under charged system to me. Can the compressor run if the pressure switch is going out? 1997. Relays are electromagnetic switches that are used to switch electrical loads on and off. When you increase or decrease the AC fan speed in your Explorer, the climate control unit signals the resistor module to increase or decrease the flow of electric current to the blower motor. Are AC pressure switches normally open or closed? 2004. When replacing the AC pressure switch, in most cases you do not need to drain and refill the coolant system, because there is a check valve inside the AC pipe that does not allow the refrigerant to pour out even if you remove the AC pressure switch. This cookie is set by GDPR Cookie Consent plugin. Most folks miss that and spend a small fortune trying re-gassing and replacing compressors. Master window control switch Base, Passenger window control switch Base, Rear window control switches, 100 Body Control Module (BCM) 100 Power Steering Control Module (PSCM) 60 Engine Cooling fan motor, Get the BEST auto repair information Alldatadiy.com and Eautorepair.net are professional-grade shop manualsperiod. Your email address will not be published. The r1234 freon that it calls for is good and the pressure. I know on slightly earlier models of Explorer's the blower motor and resistor pack were accessed from under the hood - nice 'n easy to get to, no crawling under dash or dropping glove box to get to. . Ford Explorer The most common reasons a Ford Explorer ac isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. $16.13. How the speed of the blower motor is controlled. Auxiliary relay box 2 is located behind right rear quarter trim panel. What does the AC pressure switch control? In most cases, their diagrams are right from the factory manuals. Ford Explorer (2010-2015) Fuse Diagram FuseCheck.com 2) Front function selector switch. These relays are located on the reverse side of the passenger compartment fuse panel. Relays Ford Explorer MK2 - relay box - engine bay - USA version Ford Explorer MK2 - relay box - passenger bay - USA version WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market. See other Ford Explorer: Ford Explorer (1996-2001)>> Ford Explorer (2002-2005)>> Ford Explorer (2006-2010)>> Premium parts you can rely on Designed to keep your A/C system in top shape. The fuse panel is located on the left hand side of the instrument panel facing the driver's side door. If the motor does not spin after directly connecting to the battery, it confirms that the blower motor is dead and should be replaced with a new one. Blower motor, resistor: how it works, symptoms, problems, testing BMW X5 E70 -2009 Ford Explorer AC not working - causes and how to fix it - WheelsJoint.com 2. The cost to diagnose the P0645 Ford code is 1.0 hour of labor. My AC comes on for about a minute then it turns off. Never replace a broken fuse with anything other than a new fuse. You will find the low pressure AC switch on the low pressure side (smaller pipe) and the other on the high pressure side (large pipe). For cigarette lighters and USB sockets, there are fuses numbered 60, 62, 65 and 67 at 20A and 85 at 5A. Ford Explorer 5.0L 1998, HVAC Pressure Switch by Santech. Next day it was not working again. Typically relays are located in the engine compartment or under the steering wheel on the left-hand side. See answer (1) Best Answer. NEW A/C, COMPRESSOR WONT ENGAGE! | Ford Explorer - Ford Ranger Forums Cayden Conor has been writing since 1996. Check the owners manual of your Explorer or the fuse box cover to find the exact location of the fuse for the blower motor. Conor specializes in home and garden, dogs, legal, automotive and business subjects, with years of hands-on experience in these areas. Low pressor switched jumped. Most auto repair shops charge between $75 and $150 per hour. The fuse panel is located below and to the left of the steering wheel by the brake pedal. 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. If your AC doesnt run, the refrigerant pressure switch sensor might be defective. 4 Symptoms Of A Bad AC Pressure Switch - High or Low - Mechanic Base Here you will find fuse box diagrams of Ford Explorer 2011, 2012, 2013, 2014 and 2015, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout) and relay. Trailer tow brake controller. You must replace it with one of the same amperage and therefore the same color. the AC relay Note on the above comment about the AC relay - I can't find out if this truck has a relay for the AC, but there are two relay switches just under the hood right in front of the driver's side . 4. Ford Explorer Questions - Fuse blows when A/C is turned on - CarGurus . 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). 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. M10 x 1.25 - 6H Thread. If the pressure builds up too high, an explosion can occur in the system. It is probably either a bad compressor clutch or the system has lost its fluid and the low pressure switch is keeping it from coming on. Turn the Compressor by Hand Your Explorer's AC compressor should freely turn by hand when it is not engaged. To remove a fuse use the fuse puller tool provided on the fuse panel cover. Posted by kautzs16 on Jun 23, 2010. It does not store any personal data. Follow us on Facebook. 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 thought I would try to DIY change my: hi/low pressure switch, compressor, condenser w/drier, and the (difficult) expansion valve on the evap, to cover all bases. Is it difficult to replace? Hi friends, my Hyundai Getz 2008 is not blowing cool air. 1996. When putting negative cable back on, the a/c clutch actuated, a/c clutch engaged and engine rpm's went very low stalling the engine. Turn on the multimeter and insert the probes into the connector, one at each point making sure the metal part of probes dont touch each other. In this material, we will show an assignment of the 5th generation Ford Explorer fuse and relay boxes, produced in 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020. It wasn't easy to replace while still on the vehicle but it can be done. During this period, the Ford Explorer was updated 2 times. Before you replace or repair any electrical parts, check the appropriate fuses or circuit breakers. PDF 11-1 Fuse and Relay Information - Ford-Trucks.com These cookies will be stored in your browser only with your consent. The AC compressor is getting a command to turn on but is no longer able to, which would indicate that it needs replacing. Most AC pressure switches are found within the engine compartment, but some manufacturers put them elsewhere. The most common causes for AC fan blower motor not working in Ford Explorer are blown fuse, bad relay, resistor or control module malfunction and faulty blower motor. Normally the AC pressure switch is closed when the pressure is correct and working properly. We're is the ac compressor relay located on a1992 Buick Riviera? Front Wiper Relay battery junction box . When this happens, you may hear unusual whirring or droning noises from behind the dashboard. Fuse Box Diagram Ford Explorer (2002-2005) Always disconnect the battery before servicing high current fuses. These cookies will be stored in your browser only with your consent. Here's how to tell if your AC pressure switch is bad. Additionally, a damaged wire in the circuit, including the wire from the fuse box, can also cause the blower motor to stop working. When you turn on the air conditioning, you expect to feel cold air pour out. If i on my ac first in the morning it runs perfectly then in the noon time when the weather is hot it will shot off then on and off. It does not matter in which direction you insert the fuse. Run/accessory relay (wipers, rear washer), Rain sensor. The heating system is a part of the engine. For 2003-2007 Ford E150 Rear Window Defogger Relay Connector SMP 14728QQ 2004 . Ford Flex (2008 - 2015) - fuse box diagram (USA version - Auto Genius Cigar lighter (power outlet) fuses in the Ford Explorer are the fuse 32 (110V AC power point) in the Instrument panel fuse box, and fuses 9 (Power point #2 (console rear)), 17 (110V AC power point), 20 (Power point #1/cigar lighter), 21 (Power point #3 (cargo area)), 27 (Power point (console)) in the Engine compartment fuse box. The cover of the relay box has a diagram showing which relay is the fan relay. The air conditioner uses high-amperage wiring, which could be dangerous if wired into the cab of the Explorer. Hi Magnus. If there are three wires, it probably has a 5 volt wire, signal, and ground. 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. You can usually swap the horn relay with the ac relay to test if its bad. Later when i accelerates with an Rpm 3 or more for few seconds it gives chilling cold air. First of all, welcome to the Forum SLT617. I cannot locate a low side pressure switch? Ford Explorer AC Fuse and Relay Location - YouTube 2011-2014 Ford Explorer Ac Heater Rear Climate Control Temperature Oem WE0SK (Fits: Ford Explorer) $35.37. I am including a diagram that shows the WOT relay and where its power and grounds come from. Thats why the switch tells the system to shut off power to the air conditioner so no more pressure builds up. Sponsored by: . It has been evacuated. Can you drive with a bad AC pressure switch? Requested for further correction but they failed. 3. - Hi Guys, I would really appreciate some help on this. She has been published on several websites and in the winter 1996 issue of "QECE." Cool Automotive Products and Tool Recommendations, Read AUTO REPAIR ARTICLES sorted by topic, What is electronic brake force distribution (EBD), Reduced engine power message on Buick Encore,Chevrolet Trailblazer, Custom Wordpress Website created by Wizzy Wig Web Design, Minneapolis MN. When looking for the reason, you should always start with the most obvious cause, blown fuse or faulty relay. Question type: Maintenance & Repair. 3) Blower flasher relay block - blower relay switched side - branches to fuse 7 in CJB. The high-pressure side should be around twice the ambient temperature with 50 PSI added. The cycling switch will typically be mounted to the accumulator. Generally, an AC pressure switch will go bad once or twice in a cars lifetime. Symptoms of a Bad or Failing ECM-Power Relay - YourMechanic HELP, NEED AC RELAY LOCATION! - Ford Truck Enthusiasts Forums Open VPWR circuit to the WAC relay. 05 2005 Ford Explorer A/C Compressor - Climate Control - CARQUEST, Driveworks, Four Seasons, GPD . The blower motor is the central component of the air conditioning system in Ford Explorer, responsible for blowing hot or cold air through the AC vents. The manufacturer reserves the right to make changes to the technical characteristics, specifications and equipment of any model, therefore there is no one general description for all Ford Explorer cars. Symptoms - Engine Light ON (or Service Engine Soon Warning Light) P1460 Ford Description Monitors the wide open throttle A/C cutoff (WAC) circuit output from the PCM. 20*. AC compressor not engaging on 2003 Explorer Eddie Bower Motorcraft HVAC cut-off switches are designed for maximum performance and durability. To become comfortable again, you will need to have the switch replaced. A/C cutoff switch on back of the compressor , or could be low pressure switch , you need to have some A/C gauges to see what is going on with it. 2021. ), AC Low Side Pressure Too High Common Causes & Repair Costs, 5 Signs Your Cars AC is Low on Freon (& What to do), AC Compressor Clutch is Not Engaging Causes & How to fix. This category only includes cookies that ensures basic functionalities and security features of the website. Ford Explorer Relays from $7 | CarParts.com 2015 Explorer will not start after being rear ended | Ford Explorer . Alldatadiy.com offers redrawn diagrams as well as factory diagrams. SOURCE: 2003 ford explorer ac compressor does not come on. The AC aux relay is located rehind the rear seat on the left hand side. How Do I Check an AC Clutch Relay? | It Still Runs That saves a lot of time because you dont have to refer back to the component locator or circuit locations. The high pressure switch monitors any blockages in the system that would lead to more pressure on the high pressure side. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. Out of these cookies, 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. I like to know more with one four wires ac pressure switch. Ford Explorer: AC Compressor Not Turning On - Diagnosis First of all, you should find out where the blower motor relay is located in your particular model of Explorer. To remove a fuse use the fuse puller tool provided on the fuse panel cover. . The weak point on these systems is the resistor connector, though they usually present themselves when you try to unplug them. Jiffy Lube Vs. Valvoline Oil Change: Differences & Which Is Better. So i decided to bypass tge pressure switch. DannyR924. The fuse panel is located below and to the left of the steering wheel by the brake pedal. But the ac clutch not coming on to blow out cold air. Ensure, the condenser fan is running without which the temperature of condenser goes above the permitted level after one hour or so depending on the ambience temperature of the place and the high pressure safety switch shuts off the compressor to avoid possible explosion of the condenser, Hi magnus, I have a 2003 saab vector Also, which one does my car take? Instead, the air conditioner uses a relay--a remote switch. Thank you, Hi I have a 2019 f240 xlt 6.7 cant find the condenser for the low pressure switch, Hi, if without ac pressure sensor, will the compressor still turn on? See attachment. If your AC pressure switch is not working, it can cause your whole AC system to malfunction. I don't want to replace a switch without knowing what makes it open and close. HVAC Controls & Control Units for 2014 Ford Explorer - eBay 5) Grounds at G200 - behind pass kick panel. Ford Explorer (from 2010) - fuse box diagram - Auto Genius However, you must confirm this with a wiring diagram. Checked power to the compressor and its missing. It is mandatory to procure user consent prior to running these cookies on your website. Fuses and circuit breakers protect your vehicles electrical system from overloading. After re- starting the engine, the compressor clutch stayed engaged and the engine returned to normal rpm's. Damaged WAC relay (or CCRM). A bad relay may cause the vehicle to crank, but not start, or sometimes not even crank at all. However, you need a wiring diagram for this. This website uses cookies to improve your experience while you navigate through the website. Step 1: Locate the compressor clutch cycling switch. The accumulator is usually found at the back of the engine compartment, mounted to the firewall. Yes, the pressure switches will regulate whether power should be sent to the AC compressor clutch or not, and therefore the AC pressure switches should be diagnosed first.