Check the purpose of the elements with your technical documentation, and in case of difficulty, contact your dealer. Engine compartment The power distribution box is located in the engine compartment. Great website! Low pressure at 105. 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. I applied 12 VDC to the compressor and it spins as it should the question I pose is . 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% A bad relay can also be the cause of AC blower motor failure in your Ford Explorer. If you are lucky, the wiring diagram will be drawn on the facing. The AC compressor is getting a command to turn on but is no longer able to, which would indicate that it needs replacing. If there are two wires, these are normally just a signal and a ground wire. Step 1: Locate the compressor clutch cycling switch. 110-volt AC power point, Power folding mirror, Power mirrors, One-touch up and down front windows, Door lock illumination, Memory switch illumination. Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. Magnus is the owner and main author of Mechanicbase. Register Today It's free! 34. RELATED: AC Low Side Pressure Too High Common Causes & Repair Costs. Hey magnus I just recently changed compressor ,expansion valve and dryer on my 2009 honda civic, and the ac is still. Measure between the signal and ground pin with a multimeter and check Ohms. AC pressure switches monitor the low and high pressure sides of the air conditioning 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). Removed negative cable from battery when checking wiring. Required fields are marked *. Motorcraft A/C Clutch Cycle Switch. Here's how to tell if your AC pressure switch is bad. 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 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. Locate AC Port - How to access the AC low pressure port and low pressure port cap 4. Thats why the switch tells the system to shut off power to the air conditioner so no more pressure builds up. Instead, the air conditioner uses a relay--a remote switch. 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. A bad connector on the blower motor or the resistor module, or on the climate control unit can interrupt power supply to the blower motor in Explorer. This website uses cookies to improve your experience while you navigate through the website. 2005 explorer 4.0.. where is the ac compressor fuse and relay located in the fuse box? Checked the Freon pressure on low side and it is very high (buried the pointer in the red). WARNING:Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market. If there are three wires, it probably has a 5 volt wire, signal, and ground. But doesnt work can you remove pump pressure switch How Much Does an AC Recharge Cost? Lets take a look at the most common signs. Check the purpose of the elements with your technical documentation, and in case of difficulty, contact your dealer. Produced from 1990 to the present in five generations. This problem occurs when a leak occurs. RELATED: Does AC Stop Leak Sealer Work? Auxiliary relay box The relay box is located on the front right fender well. 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. But opting out of some of these cookies may have an effect on your browsing experience. For cigarette lighters and USB sockets, there are fuses numbered 60, 62, 65 and 67 at 20A and 85 at 5A. If the band is broken or melted, replace the fuse. Have a golf mk 1v and have power to ac pump Most auto repairs shops charge between $75 and $150 per hour. 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. You should see 0 ohms when the switch is closed and an open circuit when the switch is open. But opting out of some of these cookies may affect your browsing experience. I have voltage going into the switch. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. Interior a/c light was blinking and magnetic clutch was not actuating. Posted: Apr 5, 2014. Has freon. M10 x 1.25 - 6H Thread. Today we are going to look at the symptoms of a bad AC pressure switch and help you find the location. 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. However, you need a wiring diagram for this. The AC pressure switchs circuit is normally closed when operating, so if a wire gets damaged or you have an open circuit, it will switch off the AC system to prevent further damage. Analytical cookies are used to understand how visitors interact with the website. 2011-2014 Ford Explorer Ac Heater Rear Climate Control Temperature Oem WE0SK (Fits: Ford Explorer) $35.37. We also use third-party cookies that help us analyze and understand how you use this website. When the AC pressure switch is bad, it will switch off the power sent to the AC compressor, which will then not engage and cool the air conditioning system. Certified Automotive Diagnostic Technician. The power distribution box is located in the engine compartment. We'll assume you're ok with this, but you can opt-out if you wish. Use always an intact fuse of the same color. It is mandatory to procure user consent prior to running these cookies on your website. Can the compressor run if the pressure switch is going out? If you are lucky, the wiring diagram will be drawn on the facing. The AC blower motor in Ford Explorer needs electricity to work. The fuse panel is located below and to the left of the steering wheel by the brake pedal. DannyR924. 1999 - 2003 7.3L Power Stroke Diesel - HELP, NEED AC RELAY LOCATION! When the AC compressor pumps out refrigerant without the correct pressure, it can cause significant damage to the compressor, leading to higher repair costs. If you track the AC lines on one of them you will see a sensor with a plug connected to it. 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. 30A One-push front window regulator, drivers side, 30A One-push front passenger side window regulator, 10A Interior lights on request (overhead console, second row, luggage compartment), glove box lamp, second and third row seat folding lights, sun visors lights, 7.5A Power supply of the logic module for storing the seat position, 10A 4 Inch Radio Display (SYNC), Power Tailgate Logic Module, Electronic Trim Panel, 10A Relay for operating mode / power supply mode for auxiliary equipment (wipers, rear window washer), rain sensor, 10A Instrument panel, projected display on the windshield, 15A Step lamps (overhead console, second row, luggage compartment), underside lamps, console compartment LED, backlight, 15A Right turn signal lamps, right turn signal / trailer stop lamps (TT), 15A Left turn signal lamps, left turn signal / trailer stop lamps (TT), 15A Reversing lights, brake lights, additional brake light, 10A Keypad Illumination, Brake Pedal Release Interlock (BSI), Start Button Operation Indicator, PATS, Powertrain Control Module (PCM) Start, Rear Seat Height Adjustment Power Supply, 15A Steering Wheel Control Module, Intelligent Access (IA), Headlight Switch, 15A Data connector, steering wheel control module, 15A Removing the luggage compartment door lock, 20A Radio, Global Positioning System (GPS) Module, 15A 110V AC Power Socket, Power Folding Mirror, Power Mirrors, One-Push Front Power Windows, Door Lock Lights, Memory Switch Lights, 10A Sensor for the recognition of the presence of the driver and passenger, 10A Monitor blind spots, rear view camera, space monitoring system behind the car, 5A Projected windshield display, climate control humidity sensor, terrain control system, hill descent assist switch, headlight switch sensor, 10A Control module for the restraint system of airbags and seat belts, 10A Auto-dimming rearview mirror, power sunroof, 10A Rear parking lights, license plate lights, trailer parking lights, 7.5A Overdrive Cancellation, Towing / Cargo Carrying Mode, 15A Fog lights, power supply of direction indicators in the right and left mirrors, 30A Circuit breaker: Power rear windows, power passenger window, one-push down (drivers side only), drivers door power window switch, Accessory Power Off Delay Relay (Body Control Module), 10A Interior lamps, Battery Discharge Prevention System, 7.5A Seat control switch with memory position (with electric drive), 5A Securicode Keyless Entry Keypad, Automatic Rising Door, 7.5A Instrument panel Intelligent data link, Steering column control module, 10A Power Intelligent Data Link Connector, Ceiling Display, 5A Car start button, Ignition lock (switch) Key lock, 7.5A Gearbox control switch (towing function), 5A Terrain Control Switch, Ceiling Display, Humidity Sensor, 5A Driver / passenger classification sensor, 10A Auxiliary Power Delay Power Circuit, Power Windows, Sunroof, Folding Mirror Relay, DC Inverter, Window / Sunroof Switch Illumination, 30A Smart Front Left Window Motor, Door Module, 30A Smart Front Right Window Motor, Door Module, 10A SYNC, GPS Module, Display, RF Radio Receiver, 15A Lane Departure Warning Module, Auto High Beam, Electronic Mirrors, Heated Rear Seats, 30A Left front window motor, Electric rear window motors, 30A Rear lifting door with electric drive, 30A Towed trailer (TT) battery charge relay, 40A Motor cooling fan 1 high speed mode power supply circuit, motor cooling fan 1 and 2 low speed mode primary fuse, 40A Engine Cooling Fan 2 High Speed Mode Circuit Fuse, 25A Secondary fuse of a circuit of a low speed mode of the fan 1 and 2 engine cooling, 40A Electric motor of the additional blower fan, 20A LH headlamp with high intensity discharge lamp, 15A Trailer turn signal / brake light bulbs (TT), 20A Vehicle power supply (VPWR) 2 (elements of the power unit that affect the toxicity of exhaust gases), 10A VPWR 3 (coil), all-wheel drive system module, variable regulation of the compressor of the air conditioning system (A / C), 7.5A Permanent power supply of PCM, PCM relay, adsorber ventilation solenoid valve, 5A Front Blower Relay Coil, Electric Power Steering (EPAS) Module, 10A auxiliary equipment power supply mode, 10A ABS module, factory removal and refueling, 5A Rear blower motor, rear window heater, towed trailer (TT) battery charge relay, 30A Operation / start of the passenger compartment fuse panel, Engine Cooling Fan 2 High Speed Mode Relay, Relay 2 low speed fan 1 and 2 engine cooling, Engine Cooling Fan 1 High Speed Mode Relay, Engine Cooling Fan 1 Low Speed Mode Relays 1 and 2, Relay for right turn signal / trailer brake light, Left Turn Signal / Trailer Stop Light Relay, 20A Power supply to the powertrain control module, 20A Air Conditioning Clutch Control Relay Coil, VACC, Active Louver Grille, 10A Air conditioning clutch relay power supply, 30A Power supply of the trailer battery charging circuit relay, 10A Blind Spot Monitoring System, Adaptive Cruise Control System, Front View Camera, Rear Camera, 20A Power Socket (Front Pull-Out Compartment), 20A Power outlet (2nd row) (without USB charger), 20A Left and right headlights brakes and direction indicators of the trailer, 30A Drivers seat module, Drivers seat drive power supply, 30A Power supply for power passenger seat, 15A Relay unit multicontour drivers seat, 10A Power supply of the relay coil of the powertrain control module, Relay for fan No. Therefore, it is recommended to take your car to a mechanic if you do not feel that you know what you are doing when repairing AC systems. My AC comes on for about a minute then it turns off. If it doesnt work properly, you could end up with an expensive repair bill, so its important to get it repaired as soon as possible. However, on modern car models, they seem to be quite reliable, even if they are more advanced than they were before. More Info. You might notice that the system starts up and cuts out for a short time. I replaced the low side, but cant seem to find the high side switch? Check all the connectors for the heating system while you're at it. Ron, ASE Certified Technician. The accumulator is usually found at the back of the engine compartment, mounted to the firewall. But before you begin the replacement, it is highly recommended to disconnect the vehicles battery.Note: Vehicles with auto climate control may not have a blower motor relay. 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. To remove a fuse use the fuse puller tool provided on the fuse panel cover. If there is something wrong with the values, you need to check the wiring. 2012 Ford Explorer, 2011 Ford Explorer . The cookies is used to store the user consent for the cookies in the category "Necessary". The fuse panel is located below and to the left of the steering wheel by the brake pedal. I have a honda civic 1995 model carb type. The compressor is now engaged, turning freely without any strain to the engine. They include wiring diagrams and technical service bulletins. Fuses and circuit breakers protect your vehicles electrical system from overloading. I own a 2000 Chrysler Concorde 3.2. The first thing you want to do is check a wiring diagram and repair manual for your particular car model. I. Performance upgrades, maintenance, modifications and problem solving. Yes, the blower motor can still be operative after the resistor goes bad, but it may only work at high speed, or remain stuck at one fan speed. A professional mechanic can swiftly diagnose the issue for you. 15A: 12: . 2017 ram 1500 , A/c intermittently stops blowing cold . If the relay shorts it can leave power on to the computer, even when the vehicle is turned off. The AC pressure switches are located on the AC pipes on both sides of the AC compressor. The most common signs of failing blower motor in Ford Explorer are unusual whirring noises coming from behind the dashboard when air conditioner is in operation, weak or inconsistent airflow, and in rare cases a burning plastic odor or smoke coming from AC vents especially when fan speed is set to high. High, low pressure switches? On a 1993 Ford Ranger 4.0L 4x4 STX the compressor is not getting power from the clutch cycling pressure switch. Ford Explorer (from 2010) fuse box diagram, Engine cooling fan #1 high speed power, Engine cooling fan #1 and #2 low speed primary fuse, Engine cooling fan #1 and #2 low speed secondary fuse, Engine cooling fan #1 and #2 low speed relay #2, Engine cooling fan #1 high speed relay, Engine cooling fan #1 and #2 low speed relay #1, Vehicle power #2 (emission related powertrain components), Vehicle power #1 (powertrain control module), Vehicle power #3 (coil), All-wheel drive module, Air conditioning variable compressor control, Powertrain control module keep-alive power, Powertrain control module relay, Canister vent solenoid, Front blower relay coil, Electronic power assist steering module, Powertrain control module, Transmission control module, Engine control module (2.0L engine), Anti-lock brake system module, Plant EVAC and fill, Rear blower motor, Rear defroster, Trailer tow battery charge relays, Passenger compartment fuse panel run/start, One-touch up and down driver front window, One-touch up and down passenger front window, Interior demand lamps (overhead console, second row, cargo), Glove box lamp, Second and third row seat release, Visor lamps, 4-inch radio display, Power liftgate logic, Electronic finish panel, SYNC, Run/accessory relay (wipers, rear washer), Rain sensor, Interior courtesy lamps (overhead console, Second row, cargo), Puddle lamps, Console bin LED, Backlighting, Right turn lamps, Right trailer tow turn/stop lamps, Left turn lamps, Left trailer tow turn/stop lamps, Reverse lamps, Stop lamps, High-mounted stop lamp, Keypad illumination, Brake shift interlock, Start button run indicator, Passive anti-theft system, Powertrain control module wake-up, Rear seat power enable, Steering wheel control module, Intelligent access, Headlamp switch, Datalink connector, Steering wheel control module, Ignition switch, Push-button start switch, 110-volt AC power point, Power folding mirror, Power mirrors, One-touch up and down front windows, Door lock illumination, Memory switch illumination, Blind spot monitor, Rearview camera, Reverse sensing system, Lane departure warning module, Second row heated seats module, Heads-up display, Climate control humidity sensor, Terrain management system, Hill descent switch, Headlamp switch ignition sensor, Rear park lamps, License plate lamps, Trailer tow park lamps, Fog lamps, left and right turn signal mirror feed, Rear power windows, Passenger power window, One-touch down (driver side only), Driver window switch. Make your beloved vehicle perform reliably, efficiently, and smoothly again with this top-grade A/C component from Santech. The air conditioner uses high-amperage wiring, which could be dangerous if wired into the cab of the Explorer. Therefore it is generally recommended to replace the old blower motor in Explorer as well when replacing the resistor. Most folks miss that and spend a small fortune trying re-gassing and replacing compressors. 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. You also have the option to opt-out of these cookies. 3. Blower motors can fail at any time without warning, but usually there are early signs before they stop working. You also have the option to opt-out of these cookies. I have a 2019 Chevy impala LT with 52,000 miles on it. Plus, our guide reveals how to test a bad AC pressure switch and discusses the possible replacement cost. Problem is there is no pressure in the system. Pull the panel cover outward to access the fuses. 1995. This category only includes cookies that ensures basic functionalities and security features of the website. The cost to diagnose the P0645 Ford code is 1.0 hour of labor. 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. The low pressure switch ensures that the pressure never drops too low.