Car ac compressor fuse keeps blowing. leave it sit for about fifteen to twenty minutes.
Car ac compressor fuse keeps blowing The best tool you can have is common sense and a Issue probably started out as a bad compressor clutch, or, more likely, a dirty/loose electrical connection to the clutch, but by installing a larger fuse rather than properly diagnosing and fixing the problem, you've caused more damage to your vehicle's wiring. Other reasons include faulty wiring, contamination from dirt or moisture getting into the system, damaged components such as relays or capacitors Repeated fuse blowing usually indicates a short circuit or a failing A/C compressor clutch coil drawing excess current. Jul 17, 2017 路 2004 - 2008 Ford F150 - AC compressor fuse blowing - 07 F150 Screw, 5. Check out our list of the 3 most common causes and learn how to fix your air conditioner. The AC ducts will start blowing hot air, then I hear a grinding noise from the AC compressor. I checked the fuses, and found that the A/C compressor clutch fuse, No 12 (7. One possibility is that the compressor is faulty and drawing too much current. Yesterday, after finding out which fuses to check, I realized the A/C clutch 10 amp fuse was blown. If the fuse keeps failing, then there is too much current draw on the circuit. Being here in Texas it's been in the one hundred degree temperatures, I'm attempting to remedy this again. Dec 17, 2024 路 A blown AC fuse will cause your system to completely shut down. The first thing I would do is to remove the connector from the AC compressor and leave it disconnected. This leads me to believe that the compressor/clutch Jul 4, 2022 路 One of the most common reasons an AC fuse keeps blowing in your car is because of a short circuit. Just unplug it, You won’t get any cooling, but if the fuse doesn’t blow, you’ve The hardest part of fixing car AC problems is knowing where to start. That’s why it’s important to take your vehicle to an experienced car A/C fuse mechanic, like those at AAA Radiator and Auto Air Conditioning. Mechanic's Assistant: That sounds frustrating. Any help would be amazing 馃槄 The fuse seems to only blow when the car is turned on, and no matter what speed/heat/face-leg-windhsield-defogger setting it's on, it blows either way. I replaced it, hopped into the vehicle and fired it up. I replaced the AC clutch and compressor a month ago. Jun 22, 2023 路 I have 2014 F250 6. If it fails then you have a wiring issue to the compressor. Customer: Ac stopped working and it keeps blowing fuse 11, ? Answered by Super Mechanic in 41 mins 9 years ago Jan 6, 2021 路 Fuse 20 is a 7. Refrigerant is full right where it needs to be, just seeing if others have had this same issue. I unplugged my AC compressor and unplugged my blower motor resistor and it still blows. Coming out of the fuse box, the wire is PPL, guess that is purple Goes through wiring harness and comes out red/white. Attempts have been made to replace the relays to address this issue, but the fuses continue to blow. Mar 15, 2024 路 SO I checked the compressor fuse and it was blown. Sep 13, 2024 路 Wondering why car's AC compressor fuse keeps blowing? Learn about common causes like electrical issues, overworked systems, & how to prevent future problems. If it does not, then the May 9, 2023 路 If you find a shorted or open winding, the compressor will need to be replaced. A faulty relay can cause excessive current draw, tripping the fuse. It goes to the AC compressor clutch relay ( inside the fuse box). Due to factors beyond the control of RB The Mechanic, it cannot guarantee against unauthorized modifications of this information. Jun 7, 2018 路 In this video we have a look at a Hyundai Sonata that keeps blowing the "Air Con" fuse in the underhood fuse block. Fan Motor Pulling too Many Amps Another possible cause of a blown fuse in your air conditioner could be a failed fan motor. Cranked car, turned AC on and checked voltage at the harness. My ac fuse keeps blowing. Jun 25, 2025 路 When an AC unit keeps blowing fuses, it’s more than a simple inconvenience—it signals underlying electrical or mechanical issues that demand prompt attention. SO I put another in and disconnected the compressor harness at the compressor. At this point you should fully inspect all the wiring on the AC compressor circuit. Keep reading to learn the common causes of this issue and the cost of fixing it. Mar 14, 2025 路 The air conditioning system in your car is a lifesaver, especially during those scorching summer days. When blown, the fuse cuts power to components like the compressor clutch, blower motor, and climate control Is your HVAC system acting up? Discover the telltale signs of a blown fuse and understand how to troubleshoot and fix this issue. Check wiring harnesses for exposed wires or grounding issues near the compressor. Identifying why your air conditioning system repeatedly trips fuses is crucial for comfort, safety, and avoiding expensive repairs. Tacomas (1995-2004) ' started by Don walsh, Aug 19, 2023. I started checking for shorts in the wiring Why does your car fuse keep blowing? Can you find an electrical short in your car without any tools? What are the most common reasons a car fuse keeps blowing? Jun 16, 2025 路 A blown fuse on an AC unit is a common issue that can abruptly halt your cooling system’s operation. 2) Jun 6, 2025 路 We’ll cover everything from how to locate the AC fuse in your car to understanding different types of fuses and common causes of blown fuses in your car’s AC system. Don’t let a blown AC fuse ruin your driving experience. Get expert tips to diagnose and fix the issue on Temperature Master. So, to summarize, when the car is running, the HVAC fuse blows. Previously, turning off the AC before shutting down the car helped preserve the fuse, but this method no longer works, suggesting a possible short circuit. Mechanic's Assistant: I'm sorry to hear about the issue you're facing with your AC clutch fuse blowing out, but I'm confident that the mechanic will be able to help you diagnose and resolve the problem. I tried as large as 30amp fuse and it still popped it. Turn the key on, turn the AC on and see if the fuse still fails. A blown fuse can prevent the AC system from working properly, leaving you feeling hot and sweaty. 4 liter engine was blowing the fuse for the air conditioning compressor every time the PCM commanded the compressor ON. However, it can be frustrating when the ac clutch fuse keeps blowing. If your car air conditioner fuses keep blowing here are 12 possible reasons and repairs. I have had this happen twice now while driving on the freeway. May 5, 2025 路 The AC is blowing hot, and I have been told the compressor clutch fuse keeps blowing. Jul 24, 2021 路 The car in question A/C went out suddenly some time ago. Any tips on what to do? Has anyone else experienced this? This basically renders the car unusable with the lack of A/C and engine cooling in the desert summer. Have a new compressor, mechanic checked sensor, wiring everything is ok but each time a new fuse is put into my galaxy, the ac runs correctly then after 3-4 days blows Customer: 1997 nissan altima keeps blowing a/c 10 amp fuse, jus recently replaced the compressor Mechanic's Assistant: Most vehicles have two fuse panels. As soon as I plug it in the fuse blows again. When the fuse blows, the ac will stop working, leaving you uncomfortable and frustrated. May 31, 2023 路 I put a new compressor/clutch on car add Freon etc. Here is what causes it and how to fix the issue; Faulty Fuse Replacement Car fuse types vary based on amperage and material; therefore, if your car fuse keeps blowing, it is likely that a fuse of . Jun 23, 2023 路 Air conditioners that keep blowing their fuses usually indicate a larger problem with your cooling system, so it’s vital that you connect with a team of professionals to properly diagnose and resolve problems with AC compressor fuses that keep blowing. Checking and replacing the capacitors is a cost-effective and easy first step. Replacing the compressor clutch or repairing damaged wiring typically resolves the Apr 23, 2023 路 If your car’s air conditioner fuse keeps blowing, it is likely that there is an underlying issue with the AC system. This can happen when the wires connecting the fuse to… Jan 2, 2025 路 A window air conditioner keeps blowing fuse If your window air conditioner keeps blowing fuses, there are a few things you can check to troubleshoot the problem. A blown fuse can disrupt the electric flow, preventing the unit from operating efficiently or at all. Why does the air conditioning fuse blow in the Explorer? The most common reasons for the air conditioning fuse blowing are: Short circuit: a short circuit in the wiring or components of the air conditioning system (such as the compressor, condenser fan, or cabin fan) can cause an excessive current flow that blows the fuse. Put another in and it blew instantly. If fuse #16 blows repeatedly after replacing the AC compressor, inspect the AC compressor relay and wiring harness for shorts or damage. Have you located both? Customer: yes , the 1 inside the car keeps blowing Mechanic's Assistant: Are you fixing your Altima yourself? What have you tried so far? Customer: yes the mechanic cldnt find the problem, i also had to replace the AC Fuse Keeps Blowing I have a 2019 Jetta RLine, and the damn AC unit fuse keeps blowing. Mar 17, 2022 路 Understanding Your Air Compressor Before we get into the nitty-gritty of why your air compressor is causing you problems, it’s worth getting a basic understanding of how these tools work. I shut off the AC and the noise stops. It keeps you cool, comfortable, and focused on the road. Check for damaged or frayed wires that may be in contact with metal Sep 21, 2017 路 So now where the problem lies is my number 49 fuse 15 amp keeps blowing I even tried a 20 amp fuse and that blows every time I turn on the AC within five six seconds. Understanding why fuses blow, how to identify the issue, and the steps to repair or replace the fuse will help homeowners restore their cooling system quickly. Here is a list of what I have done: 1) Replaced/checked/rechecked all fuses having to do with the ECM,BCM and AC. Aug 19, 2023 路 Car AC Fuse Keeps Blowing Your car’s AC fuse can get blown if the wiring harness is damaged due to a bad field coil, faulty compressor clutch, bad wiring harness, and faulty AC pressure switch. Test the relay and fuse rating to ensure compatibility. When an air compressor is working correctly Dec 17, 2023 路 Are you wondering why your AC keeps blowing fuses? Learn about what could be causing the issue and what you can do to fix it before bigger problems arise. After replacing the fuse the AC works for like 15 - 20 minutes before the fuse blows again. On my 07 chevy suburban About the AC Fuse The AC fuse protects the air conditioning system’s electrical circuit from overloads or short circuits. It randomly started 2 days ago and when you change the fuse it will be fine for about 30-40mins then randomly blow. leave it sit for about fifteen to twenty minutes. Jun 17, 2024 路 The air compressor may keep blowing the fuse due to a short circuit caused by a faulty cooling fan or a bad capacitor. Aug 19, 2023 路 AC fuse keeps blowing Discussion in ' 1st Gen. It was blowing cold! I shut it off and ran inside to brag to the wife on how Feb 26, 2025 路 When your car’s air conditioning (AC) system fails to function, it can be a frustrating and uncomfortable experience, especially during hot summer days. This article explores essential information about We would like to show you a description here but the site won’t allow us. Feb 5, 2021 路 The top 4 common causes of a car fuse that keeps blowing: Fuse amp rating too small Short in the wiring Failed component Overload in the circuit In this post, you’ll understand the top 4 reasons a fuse blows continuously, how to diagnose why your fuse is blowing and how to fix it, like a pro. Inspect the compressor clutch coil for damage or wear. Jul 30, 2024 路 Ac Compressor keep blown ac clutch relay 10 amp fuse 5 posts • Page 1 of 1 Hummings64 Posts: 2 Joined: Tue Jul 30, 2024 3:34 am Vehicle: 2016 Flex SEL My A/c compressor fuse keeps blowing what could it be? I've replaced it 3 times on a week. A 2005 Ford Expedition with a 5. Generally speaking, most people have problems with blown fuses because of a shortage in the flow processes that allow the air compression to function as normal. This guide details why fuses blow in air conditioning systems, how to spot the problem, and practical steps for safe repair and prevention. In this video I run down my processes of find a short to ground on a 2005 Nissan Altima that keeps blowing the fuse for the throttle control. Check the compressor clutch coil for shorts and inspect wiring harnesses for damaged insulation or loose connections. While a blown fuse might seem like a minor issue, it can significantly impact your driving experience and even pose safety risks Mechanic's Assistant chat Customer: The AC clutch fuse keeps blowing when I turn on my AC. Having an ac in your car is essential, especially during hot summer days. Does the blower fan (ventilation in the car) keep running? Then it’s probably the compressor clutch. This video is about how sometimes you can diagnose and repair a car air conditioner that is not working The A/C fuse keeps blowing because you have a short to ground in the circuit that the fuse is protecting. Aug 18, 2023 路 Discover the top 6 reasons why your air conditioner keeps blowing fuses. May 19, 2025 路 When an air conditioner stops working suddenly, one common culprit is a blown fuse. 4 auto. I have done a good bit to rule out possible causes along with preventive maintenance. The fan motor is responsible for blowing air over the evaporator coil to cool the air in your home. Sep 15, 2023 路 A broken compressor clutch is one of the most common reasons why your car’s ac keeps blowing its fuse. 5 amp fuse. Inspect the AC clutch assembly for internal shorts or mechanical binding. Recognizing the causes, symptoms, and best troubleshooting practices helps homeowners minimize downtime, control costs, and extend equipment life. It is typically housed in the central junction box (fusebox) under the hood, though some models place it in the under-dash fuse panel or inline with the AC relay. Check for damaged or frayed wires that may be in contact with metal Customer: The A/C compressor clutch fuse keeps blowing when I drive with the A/C on in my Ford F-Series AC system. You can test this by unplugging the clutch. A possible reason why your car’s A/C fuse keeps blowing is to do with the electrical wiring within your car. In the diagrams down below I have included a wiring diagram of your vehicle's A/C circuit as well as directions for how to find a short to ground. The more and more tools that we can give you guys on testing the better off you will be. Really hoping May 17, 2004 路 It keeps blowing the 10amp Fan fuse under the hood after a few minutes. You will see the connecting wire running into the compressor near the drive belt. Your compressor clutch can become faulty, or even break, due to continuous high pressure from the AC. Hot air works, the vents work, recirculation, auto, etc. 7, the A/C clutch fuse keeps blowing #35 10amp. Nov 15, 2014 路 Everything has been working, until a couple of days ago when the A/C started blowing not-so-cold air (warmish). But what happens when this vital system suddenly stops working? One common culprit is a blown fuse. This article delves into the primary causes, diagnostic procedures, quick fixes, and preventive Customer: The AC fuse consistently blows when the car is started with the AC on. Each time I replace the fuse and it works A repeatedly blowing AC fuse in a 2017 Explorer often indicates a failing AC clutch coil drawing excessive current. When I turn on the A/C the fuse keeps blowing, what could cause this? AC compressor blowing fuse got you breaking out in a sweat? We're going to delve into this pesky issue in detail to give you a clear picture on how to fix it. Jul 27, 2023 路 The ac clutch fuse may keep blowing in a car due to faulty wiring or a failing compressor. Customer: The AC fuse consistently blows when the car is started with the AC on. I am getting 12+V. Jun 9, 2018 路 Which fuse? There is one for the compressor clutch and one for the blower fan. One of the most common causes of AC failure is a blown fuse. This is just one more situational technique that you can use when th A 10 amp fuse blowing after 10 minutes of AC operation often indicates an electrical short or overload. RB The Mechanic assumes no liability for property damages or Jun 23, 2023 路 The most common reason for an AC fuse to keep blowing in a car is because the air conditioner system has a fault. It doesn't take to long to track this one down. 5A) in the under-hood fuse/relay box was blown. Sep 15, 2020 路 So, I keep having the problem of the 10 amp fuse blowing in the under hood fuse block. This could be due to a short circuit, an overload of current, or an electrical component that has failed and is drawing too much power. Good morning. When blower motor is engaged, this will power the relay to close the switch for the compressor. bcbxjbeqwwfbqpyxhnlfwsmmlisgqqzossdmmhvpixcmbonnykaxaaknfvhdsnmzywxicst