Blower motor not working on any speed. The 10 amp fuse is listed as HVAC 1. All 4 speeds work for about a week now 1-2 no longer work. the fuse for the blower is good and i can hear the rely click when i unplug then plug it back in. The relays are basically larger fuses. It doesn't work on any speed. High blower speed has direct power to the motor from the switch. There have been many attempts at redesigns to the resistor and wiring…even sometimes adding a control module to the resistor assembly to help regulate voltage and cause less heat to the electronics inside. If you don’t know the circuitry of your motor or the type of motor you have, then you can look it up and find specific information for your vehicle. Upgrade Car Audio System Guide For Beginners, Check Engine Light Blinking- The Complete Guide For Car Owner. If the blower motor in your Ford vehicle only works in one speed (usually just high), then there's a good chance that the blower motor resistor is bad and behind the problem. This can be cool air from the AC or warm air from the heater, but it is your blower motor that moves the air thru the vents. Required fields are marked *. Turn the blower motor. The motor should run at full speed. After reading this, you can test for that issue too and fix it. Another thing that is tied to bad fuses is bad relays. There was an issue with those parts that may necessitate replacing the blower motor also. I was hoping it would be a much easier fix and not cost a lot. If there is voltage: If there is voltage but the motor doesn’t turn, disconnect the plug and connect one of the motor’s terminals to … it does not work on any fan speed or setting. Most cars have the fuse in a fuse box under the hood or in a fuse panel under the dash. Your email address will not be published. Scratching my head on this one. If you’re experiencing a problem with your blower speeds not working, this is more than likely the problem! There are a few reasons why your blower motor may stop working. This 2003 Chevrolet Silverado came in with the complaint that the blower did not work on any speed. Then run a fused jumper from a battery to the power side of the motor and connect a temporary grounding jumper to the other motor terminal. If you are not familiar with how electricity works, basically it comes down to this…resistance causes heat. the plugs and connections look good. Terms Of Use / Privacy Policy Copyright CartruckInfo.com, Powered By JRKaz,Inc. Then turn your key to the run position and see how much voltage you are getting. To test this, you can run a fused jumper from a battery to the power side of the motor and attach a temporary grounding jumper to the other motor terminal. Many, many times a car or truck will come into the shop with the customer complaining that their blower motor doesn’t work, or only works on high speed, etc. The blower motor relay supplies power to this motor when you turn the switch to "on" that can sometimes fail. I replaced both heater resistor and relay since motor did not work at all. After a good cleaning and making sure the motor is connected to the grounding point try to power the motor using the car and see if it works. It may seem as if the blower resistor is faulty, but replacing it doesn't remedy the issue. That is the blower motor. This should fix the problem, but if it doesn’t, then you might have to try cleaning the grounding connection more, but first, you should check the speed control module. The most common thing would be the resistor assembly, as that goes out more often than the other parts. Just the other day I decided to document one repair and take some pictures of the failed parts. If it doesn’t then the issue is something else. This will let you know if the ground is good. If it is, then you most likely have a dead motor, but if it isn’t, then that is a sign that the motor is not being grounded and you can clean it like previously mentioned. The most common reason why your blower motor won’t work on any speed is that you have a bad or blown a fuse. ... Could be the blower motor itself or a resistor, though. May be switch not sure. ProTech: Probably a bad blower motor resistor you have there, or possibly a faulty blower motor or switch. BLOWER MOTOR DOES NOT RUN AT ANY SPEED 2000 Models 1. Read on to learn everything you need to know about your car’s blower motor, why it might stop working, and also some solutions on how to fix it. Remove the three bolts that secure the blower motor with a 10 mm socket and a ratchet. This heat, over the years, can end up burning up and shorting out the blower resistor and associated wiring. This one has been a big issue over the years. My blower motor will not come on at any speed... (1999 Cadillac Escalade) Heat system makes heat, blower motor appears to be brand new. Testing begins at the HVAC fuses in the driver’s side fuse box that is located behind the dash end cap. If it is blown, then all you have to do is replace it, and that should fix the motor. It should be 12+ volts. Save my name, email, and website in this browser for the next time I comment. The most common reason why your blower motor won’t work on any speed is that you have a bad or blown a fuse. If it does run at full speed though, then you know that the issue lies in the blower motor speed controller or the HVAC control head, but you will have to use a scan tool to see which one of those is the problem and then have it replaced. 2 Posts . dc8cappie: Winnebago Industries Owner's Forum: 31: 09-07-2010 08:27 AM: heater/ac blower motor high speed not working: Big Newf Dog: MH-General Discussions & Problems: 10: 07-31-2007 08:48 PM: Only high speed working on my dash blower: Ken & Joyce: Winnebago Industries Owner's Forum: 9: 01-14-2007 04:37 … A quick check with a test light can determine failure. If it does, then your probably is solved. The most common portion of this control to fail is the blower motor control. Blower motor only working on high speed. Have spare motor that I know works plugged it in and it didn't work. Hello everyone, I have a problem with my 750 fan blower motor not working on any speed.I checked all the fuses and they are all good.when I turn ac on, compressor turn on but no air.please help !!! There have even been manufacturer recalls associated with some of these cars and trucks to replace the resistor and connector, since they know there is a common problem with them. I do this repair on a regular basis, since so many suffer this problem and subsequent failure of the blower motor to work. My blower does not work in the front of the truck on any speed but the back does only when the dial in the front (which is normal) is in the on position. Is it the switch, blower motor, or the resistor? What to check before putting in a new resistor and have it fail as well. Many, many times a car or truck will come into the shop with the customer complaining that their blower motor doesn’t work, or only works on high speed, etc. It’s a not a bad job, and with the experience I have, I can knock these out pretty quick. We are going to list them out here and if you want to jump to a specific section you can, but the main reasons a blower motor will stop working on any speed is: The most common reason why your blower motor won’t work on any speed is that you have a bad or blown a fuse. If the blower motor does not respond, replace the motor. To test the control module, you can disconnect the electrical connector at the blower motor. Sometimes it may stop working just at certain speeds, but in this article, we are going to mainly focus on why the blower motor won’t work on any speed. The speed control module is responsible for controlling the speed of the motor. To gain access, remove the passenger's side lower insulator panel. Symptom: Blower motor not working at all on any speed setting, and it never works at all. It started to work although very slow even though fan was on high and had a grumbling sound. Before getting into details of why your blower motor might stop working it is a good idea to have a basic understanding of what your blower motor actually is. Took out blower motor resistor thinking it was that, but it appears to be just fine. Blower motor stuck on one speed A common symptom of a faulty blower motor resistor is a blower motor that is stuck on one setting. Blower motors can come in two types. Discussion Starter • #1 • May 15, 2017. I had to replace the selector switch twice, but that fixed the issue each time. If the blower motor operates correctly, proceed to the section titled "Testing Blower Circuit." Wasn't sure which part to replace to fix this problem. On a three or four speed system, this means that the motor will run at three or four predetermined speeds. Should I Use Factory Repacement Parts in my Car? If it’s good, refer to a wiring diagram for your vehicle and conduct these tests: If you have a variable speed blower motor system: Usually a bad or failing blower motor resistor will produce a few symptoms that can alert the driver of a potential issue. My heater/fan blower motor stopped working after a race weekend with too much time spent on rumbles and gators. Lastly, you know if all else fails, then the motor is probably bad and needs to be replaced. This is true for variable speed motors. 5 Comments on "Some Blower Motor Fan Speeds Not Working". 1. The two technologies did not play well together. On a variable speed system it the blower will constantly change the speed that it is blowing. To do this, there are resistors built into the unit to control the voltage. As the relay is the switch that supplies current to … It never works on any speed setting. A common symptom of faulty blower motor resistor is when the heating and air conditioning blower only operates at high speed and cannot be adjusted to low speeds. If fuses are okay, turn ignition switch to LOCK position. One of the common luxuries most cars have these days is an air conditioner. As an Amazon Associate I earn from qualifying purchases. Replacing the Blower Motor. Upon diagnosis to this kind of customer complaint, I will normally find a burned up blower resistor and wiring connector. Also, disconnect the jumper power and ground connections. You also know that both variable speed motors and three or four-speed motors can suffer from bad grounding. The blower motor is not working, 2007 Saturn ION, I have not tried - Answered by a verified Saturn Mechanic We use cookies to give you the best possible experience on our website. This convenience helps keep you cool in the summer. I'm working on a 1999 Dodge that the blower motor does not work at any speed. Had to tap motor to get it running again. A guy I work with that used to work at a Dodge dealer and said it's probably the resistor. This gives you an idea of how much heat can be produced in this electrical system! If you have a reading, then connect one lead to the power terminal on the motor and the other to the ground. i just bought a 99 wrangler 4cyl 5 speed, and the blower motor is not working. Start by checking the blower fuse and HVAC controller fuse. Situation, we have a friend that owns a 2017 Chevy Trax LT, she is a nurse who works with my wife, single mom and on a single mom budget. Strangely today once I have turned the ignition off the fan is still running so I have had to remove the use to stop this. Any help is appreciated? Removal of the right side dash trim is usually all it takes to access the heater/blower area of the vehicle. Buick Lesabre Blower Motor Only Has High And Low Speeds, Buick Winshield Washer Pump Motor Not Working, No Heat In My 2000 Chevrolet Malibu – Blower Not…, 1999 Olds Alero Blower Motor and Security Light, 2006 Chevrolet Impala Shifter Stuck In Park, 1999 Oldsmobile Cutlass Engine Light and Transmission Problems, 2001 Chevy Silverado Brake Pedal Soft And Goes To The Floor, Location And Replacing 3.1L Cam Position Sensor, Oil and Coolant Mixing In Engine- Pictures, Chevy Impala Engine Overheating- Common Causes And Repair. A faulty resistor loses power at different positions on the switch. Blower stopped working last Thursday, It came back on Friday after I wiggled the blower motor resistor, went back out Saturday. You know that the most common issue is a blown a fuse, but also sometimes the speed control module can go out if you have a variable speed motor. This is usually the case after a blower resistor failure on one or more speed settings. This is usually the case after a blower resistor failure on one or more speed settings. It is actually pretty uncommon for the motor to go out itself before something else and you normally have a warning when it is about to fail because it will start running poorly and squeak or slow down and things, but sometimes blower motors do go out. In this video, the customer was complaining of her blower motor cutting out intermittently. Doesn't work on any speed. Knowing the circuitry of your motor is important because you will need to know that to find where the ground is and different things. Need help. 55 (40-amp) located in underhood fuse/relay box. All the blower speeds should be functional and the customer smiling again! My blower works on settings 1,2 and 3 in my Saturn Vue but no temperature change. A/C Blower motor does not work on any speed at all. i have removed the ac control and checked the switches for any melting, and cannot see any. One of the first symptoms of a problem with the blower motor relay is a blower motor that does not function at all. You know that the blower motor is the key part in moving the air in your AC and heat system and that you should replace a blower motor that isn’t working on any speed right away so you can stay cool in the summer and warm in the winter while driving. Her 2017 Trax about 44,000 miles is out of factory warranty. If the blower motor doesn't turn on, follow the next section to replace the blower motor. The blower motor is basically a high powered fan that pushes the air thru the system. A fuse is a small wire inside of a connector that is used to protect the motor itself from a surge of electricity. Fuse ok, is there a relay or fuse under hood in power distribution center. When this happens, you may notice that you will not feel anything blowing out of the vents at all. Fueses good, put 12 volts and ground to motor,runs, relay good, power to switch good, contenuity from switch to relay good, installed new switch same results no blower. There can be anywhere from five to seven wires in this system that all have to be cut, stripped and wired into the new connector provided. If your Blower Motor for the AC or Heater suddenly stopped blowing, look here first, it might save you several dollars. What is happening to them you ask? This is also important for locating fuses and relays. Some Blower Motor Fan Speeds Not Working This one has been a big issue over the years. 2. A fuse is a small wire inside of a connector that is used to protect the motor itself from a surge of electricity. Disconnect blower motor 2-pin harness connector. The highest blower speed usually bypasses the motor resistor completely, so it’s not a suspect if the motor doesn’t work at any speed. Another thing that most cars have today is a heating system to help keep you warm in the winter or cooler months. A couple screws later and the resistor is out and unplugged from the blower motor. I have heard of issues with this vehicle having dampness on passenger side floor board and water in the motor. When testing your battery, if the battery has low charge, you can recharge it by using best battery maintainer, the tender will keep your battery fully charged and by the way, it will also minimize the risks of long-term damage to the battery due to either under-charging or over-charging. Sounds like either the blower motor is bad, or the wiring connection at the blow motor. After diagnosis, which is usually pretty straight forward since I’ve seen this a lot, I just have to replace the resistor assembly and wire in a new connector. My heater was working and when I put the switch on 5 and it makes a weird noise, it stopped working and there has been times I would hit a bump and it would come on, now it don’t come on at all. The next reason that your blower motor may not be working is that it might have a bad ground connection. It's always dead. The ABS and Brake lights were on as well. You have power to the switch, vent controls are working, rear de-ice is working, but blower is completely dead. This is especially true if they somehow got melted from getting too hot. Well, the resistor itself has quite an electrical draw to keep that blower motor powered up. Blower motor stuck on one speed. Normally though they are not the issue if the blower motor won’t work on any speed though because there is a relay for high speed and low speed if it is something to keep in mind and check because it is possible that both could go bad at the same time. Hi There, The resistor is what controls the speed of the blower motor, not the relay. Tapped on motor. If it does, then you know that the issue is that the motor is not being grounded. If fuses are blown, replace fuse(s) and recheck system. My guess is I knocked something loose or broke something, the resistor or something else. Normally though variable speed blowers are on vehicles with automatic climate control where three or four-speed motors are on everything else. You will want to check the signal to the blower resistor at this point and confirm the signal is faulty. You want to make sure to check the blower motor fuse and also the HVAC controller fuse because either one of these being blown can cause the blower motor to stop working. If there is no power indicated on high blower speed, the problem is most likely the switch or the fuse. If it is not blown, then you will have to look farther into the issue. First thing I checked was the fuse, that's ok. Made sure it was nothing stupid like a loose connection at the motor or anything like that. Heater Blower not working on any speed 10-29-2016, 10:09 PM. Checked fuse, Good. Ford Air Conditioning Problems As Temperature Gets Warmer. These to things do the opposite of each other, but they have one part in common. The blower motor seems to be working fine as it has 12volts and is clearly blowing a trickle of air out but does not increase. Changes in voltage indicate that the resistor is working and that the switch is able to vary the speed of the blower. © 2020 AutoGuysLand – Land Of Auto Guys, Life is too short to drive with stock audio. It never works while driving, it never works when turning the key to start->on. Another way you can test to see if it is a bad ground connection is to disconnect the electrical connector at the blower motor and then attach a multimeter to the motor. In this article, we will look at what the blower motor is and also why it might stop working. At times it works, other times not so well. Especially if the original blower motor was manufactured by Bosch. Live Chat My 1999 Olds Delta 88 heater fan switch turns blower on only occasionally and even then the high setting cuts off the fan(if it’s working). The fuses need to be checked with the ignition switch on. You want to bypass the speed control. 2001 Ford Expedition V8 Automatic I have read up on this and cant find any specifics close enough to be sure. Single Din vs Double Din- What Is Different? However, blower fan will not do anything, no matter what I set it to. Now that you know what the blower motor is we can start going into why it might not be working on any speed. ‘HI’ is the only blower speed that doesn't depend on the blower resistor to function. Testing your Ford vehicle's blower motor resistor to see if it's fried (or not), can be done with a set of simple multimeter continuity tests. If none of these past things seem to be the problem, then the last bit is that you have a bad motor. This will provide grounding for the motor, and it should run at high speed. If the relay and fuse are good, test the blower motor itself. blower motor does not work, on any speed, - Chevrolet 1992 Cavalier question The way to fix this is to locate the grounding point for the motor and clean it. When I turn the setting to 4 the blower turns completely off. If you can’t get the motor to run with these troubleshooting tips, then you will need to replace the motor because it is most likely dead, but do these other things first. BMW 750li 2007 sports package. Does anybody have any ideas please? Once inside, unplug the electrical connector to the motor and apply 12v - brown/yellow = ( + ), brown/white = ( - ). You can locate the fuse to your blower motor. It doesn’t take long to test relays, so while checking the fuses, you might as well check the high and low-speed relays to make sure they are working right. After connecting with heat shrink connectors, it’s all good to go. My ex gf had this problem in her Saturn. Installation of the new resistor is just as easy, and has a new harness that plugs into the existing blower motor. It is important to know what kind of blower you have because certain problems only happen with certain blowers. A failed blower motor resistor can cause issues with the operation of the entire heating and air conditioning system. Unfortunately, the wire colors are usually pretty basic, so you have to make sure to match up each wire correctly. Reinstall any remaining trim panels, covers, etc, and you’re all done. It is better for the fuse to blow if it gets too much of a current than for your whole blower motor to get fried. When the blower motor resistor fails, 1 of the 3 or all 3 first speeds stop working. The reduction in blower fan speed is accomplished thru' resistors (inside the blower resistor assembly). 15 Quick Tips To Improve Gas Mileage For You. This occurs because the faulty blower motor resistor is not able to control the current flow. Doesn't work on any speed. You can see in the pictures below, how badly these things can burn up and melt. Blower motor just quit working. Thanks in advance. If there is power indicated on high blower speed, but not low or mid range, the problem is the blower resistor. If the speed control module goes out, then the motor will not run. I went ahead and replaced the blower motor resistor and cabin air filter, but it … Now it gets just a tad more intricate. Another blower high speed only post! He said they would sell 3 or 4 a day. This may be a faulty blower control. It send a certain amount of voltage to the motor to have it spin at the requested speed you select on the control head. A three or four-speed system, and a variable speed system. 17 (7.5-amp) in underdash fuse/relay box and fuse No. Any ideas. Your email address will not be published. Check fuse No. Is the 40 amp fuse labeled "interior fan" related to the fan? Two days ago the blower motor on my 2014 ED quit. Now you know the possible reasons why your blower motor won’t work on any speed. Turned key off and on again. Your car’s blower motor is the part that is responsible for pushing air through your vents. You know how to check these things now though and also how to fix them. The relay is also in the main fuse block.

Football Night In America Cast, Delivered From Distraction Ebook, Sweater Hay Day, Serial Killer Documentaries Netflix, Womens Pyjamas Wholesale, Number 91 Saints 2020,