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car blower not working on all settings

BUT I don't know how … Some cars have blowers that have 4 to 5 fixed speed settings that can be selected, but in this case, the speed of the blower motor is controlled by a blower motor resistor. Working with this cordless leaf blower means there would not need to put up with noise as it is designed to function with less noise. In my case I had the A/C and the fan stop working on settings 1-3 a few years ago. Do they only blow one speed? the blower motor is below the glove compartment. Thought it was a fuse, nope thats fine. As part of our comfort and luxury, the blower speed is one of the most adjusted settings in a car, and so the resistance of the blower motor is constantly being put under stress, which can eventually lead to motor failure; too much humidity in the atmosphere can lead to an increase in resistance. The "blower" and the "fan" are the same things. Again a few weeks later this second replacement failed. If some fan speed settings work, but not others, the first thing to do is test the resistor block with a volt ohmmeter. A failed blower motor resistor will usually cause symptoms that can be easily identified. We and our partners will store and/or access information on your device through the use of cookies and similar technologies, to display personalised ads and content, for ad and content measurement, audience insights and product development. So get out there and give it a smack or two! Owners may experience an intermittent heater blower fan, on one or more of the speed settings, or the fan may not work all, or will only work on full power, or may be stuck on full power. Blower motor does not work on certain settings. 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. Blower still working on all settings but no hot air is being generated so it is cold all the time? This electrical component is used to control the air conditioning system of a vehicle. The only air that I get now is when I drive my car and the fresh air button is pressed on and it’s cold then but if your not driving it is really hot in the car if you’re not driving. This will cause the blower motor to operate incorrectly or not at all in one or more settings. Also, The blower level 5 in the front part stopped working. Site Info Staff ... Heater blower not working on settings 1 or 2? 3 posts in this topic. If strange noises are coming from the AC, there could be an issue with the compressor and it may need to be fixed or replaced. We are a free resource for well-researched and unbiased automotive information and product reviews. This is why at the bottom of the article we include a 2008 F150 blower motor wire diagram. Well your blower motor is fed via a Fuse (fuse 23 (which is 40amp) then two relays (relay 1 and relay 2). Steps to check/test the resistor:Locate the blower resistor and disconnect it from the rest of the circuit. The local garage replaced the resistor pack and everything was good again. The official name for it (as used by mechanics) is "blower". When the resistor is working, it reduces the amount of voltage going to the lower fan speeds, so the fan runs slower. Now then, it should be obvious that if the air isn't blowing from the vents at any fan/blower setting, the blower must not be working. Another symptom of a faulty blower motor resistor is that the blower motor cannot operate in some settings. Vehicles affected include the Corsa D (2006 onwards). Autoblog is part of Verizon Media. A faulty resistor loses power at different positions on the switch. Simply put, your car’s buttons, knobs, or haptic feedback touchscreens may not be triggering the heating system. Average repair cost is $140 at 123,300 miles. This device will usually be located near the blower motor under the dash, and will have an electrical connector with 4 to 5 wires coming out of it. If blower motor works on full speed then it is the resistor which is under the glove box on 2007 rabbit. In some vehicles, though, the fan may not work at all, and only a little may come through the vents. No air blowing through vehicle’s vents, 2. You might be best to get a Auto electrician (not a mechanic) to check the circuit out. 3 Replies. Now then, it should be obvious that if the air isn't blowing from the vents at any fan/blower setting, the blower must not be working. For this reason, the blower motor resistor can cause problems with the entire heating and air conditioning system. Hi There, The resistor is what controls the speed of the blower motor, not the relay. This symptom is (usually) caused by the blowing of the thermal fuse in the fan motor control resistor pack. Blower motor doesn’t work in certain settings, AC Condenser Fan Symptoms, Function & Replacement Cost, Why You Should Replace Your Cabin Air Filter In Time, AC Compressor Clutch Symptoms & Replacement Cost, Windshield Wiper Motor Symptoms, Function & Replacement Cost, Ignition Relay Symptoms, Function & Location, Camshaft Position Sensor Symptoms, Function & Location. The 2002 Ford Explorer has 9 problems reported for blower not working on all settings. Using a test light or a multimeter set on volts, unplug the blower motor. The "blower" and the "fan" are the same things. Since it works on one setting, I assume the blower and everything is mechanically sound, which implies there's some sort of electronic issue: is this likely something simple like a burned fuse or the knob not … My car's heater (and AC) have 4 different blower settings. If the resistor fails, generally, the blower will only work on select speed settings. We used the word "fan" in the problem description because it's a more familiar term. The official name for it (as used by mechanics) is "blower". Thought it was a fuse, nope thats fine. Although it is unusual for this motor resistance to deteriorate, with a few exceptions, almost all components fail at one point or another, after which they must either be repaired or completely replaced. The blower for the back of the vehicle is stuck on and is blowing hot air. A blown fuse might just be the reason your car heater fan is not working. any suggestions? PPS: Someone mentioned the possibility of the culprit being the blower motor’s “resistor” but I thought the resistor only controlled the fan speed. If the blower motor resistors’ internal components fail it may cause the blower motor to malfunction, or not function at all on one or more of the settings. I know that 1-3 use or bypass the resistors depending on the setting and HIGH should bypass all of the resistors. If cold air is coming out of the heating vents, even when the vehicle is warmed up and the thermostat is set to hot, you could be dealing with one of the following problems: Canadian 450 VIN Database US G&K 450 VIN Database Members Calendar Site Activity All Activity Search More . A wiring diagram for the specific vehicle is also helpful. Fortunately, you can check the state of the component through the blower motor resistor test. Some Blower Motor Fan Speeds Not Working This one has been a big issue over the years. Check the fan relay, if the car is equipped with one. The resistor limits electrical current so that the blower operates at the correct speed. When it does happen, you're left with a miserably underpowered heat or AC system. If you desire testing, and replacement, as needed, please request a blower motor/resistor block diagnostic and the responding certified mechanic will get this taken care of for you. Test for ground at the blower motor if there is power indicated at all ranges, but the motor does not function. Find out more about how we use your information in our Privacy Policy and Cookie Policy. There are also some instances where the blower motor may not work at all. When turn it to the highest, everything works properly - but if I use any of the lower three settings, it doesn't come on at all. When turn it to the highest, everything works properly - but if I use any of the lower three settings, it doesn't come on at all. Information about your device and internet connection, including your IP address, Browsing and search activity while using Verizon Media websites and apps. Vehicles affected include the Corsa D (2006 onwards). but no air movement.) The air conditioning is not working in the front either. Since the blower resistor is directly responsible for transferring power from the battery to the blower itself, a symptom of defective blower motor resistor is that no air flows out of the vehicle’s air vent. 2009 F150 Blower Fan 4 Answers. I have been working with cars since I was 16 and I’m specialized with in-depth Automotive diagnostics. You can change your choices at any time by visiting Your Privacy Controls. I think this indicates a resistor pack failure. Most blower motors ground through the case of the motor when it is screwed into place or by a small ground strap from the case to the body of the car. The blower speed can be adjusted in almost every modern car. Heater blower not working on settings 1 and 2, but OK on 3 and 4. What can it be a bad blower motor resistor??? If there is no power indicated on high blower speed, the problem is most likely the switch or the fuse. By Anderson, February 27, 2017 ... so all of a sudden this afternoon my ford fiesta 2005 mk6 has stopped blowing completely on the settings between 1 and 3, on max (level 4) it works as normal but just not level 1-3. If there is power indicated on high blower speed, but not low or mid range, the problem is the blower resistor. Initially it was suspected that it was just a faulty pack so they fitted another free of charge. Importance of replacing a broken blower motor resistor. The heater, defroster and A/C still all work fine. It is the part that controls the fan speed of the fan motor according to settings that can be changed by turning the knob to the left or right, thereby increasing or decreasing the resistance of the electric current flowing to the rotating fan motor connected to the fan. It is located in the dashboard, usually on the opposite side of the steering wheel or inside the engine compartment on the firewall. Generally, it is the vehicles withoutauto air-con that have the most common pro… … A blown fuse might just be the reason your car heater fan is not working. The average cost of a blower motor resistance replacement is between $80 and $150, and labor costs are estimated between $35 and $80, with the price of the unit between $50 and $75. You might be best to get a Auto electrician (not … It's been working for over 6 month's now! I think this indicates a resistor pack failure. The blower motor relay supplies power to this motor when you turn the switch to "on" that can sometimes fail. VW Touran 2005. Thought it was a fuse, nope thats fine. Another common symptom of faulty blower motor resistance is that the blower motor only operates at low speed. Not the 3rd setting doesn't work, only the last/highest. A motor failure will obviously may cause the fan failure, causing an overall car heater failure. It grounds through G200 termination under the dash left of … It stopped working on a very cold day, my hands were freezing. There is not much you can do to repair a bad blower resistor, as it is better to replace it completely. Started by Evilution, January 13, 2007. Heater blower not working on settings 1 and 2, but OK on 3 and 4. Blown Fuse or Loose Wiring. BUT I don't know how to find the exact location of the pack. I have a 2009 F150. If there's low air pressure coming out of the vents, you may need to replace the cabin air filter or fix the blower motor. Check for blown fuses and replace them to restore normal functionality. Once the resistor is disconnected, it is often possible to determine whether the resistor has blown or not based on its condition. Another symptom of a faulty blower motor resistor is that the blower motor cannot operate in some settings. 1994 Pontiac Bonneville SE, 231K, w/ manual HVAC. It will have 4 wires protruding from the connector: A black w/ white stripe, yellow, white and green are the clor of the wires. It is best to stop the car immediately to investigate further damage and allow it to cool down. I expect it is a relay, but I cannot find where these are located. For our last product we thought we would include another portable car … If a car’s blower motor doesn’t work at all, there are several components to be checked in the system: Check the fuse for power on both ends using a multimeter. Favorite Answer It is most likely you have a burned out element in the blower motor resistor. I have a 2012 ford escape with dual climate control with sync but not the touch system. The mechanic … Posted on Jun 16, 2009. The resistor must be replaced with a new one to restore its function. Choices at any time by visiting your Privacy controls everything was good.... Replacing the resistor limits electrical current so that the resistor pack indicated at all only on! But works fine on settings 1-3 a few years ago if fuse is good make you... The firewall fans stopped blowing in your vehicle motor failure will obviously may cause blower... We would like to show you a description here but the site won ’ allow! Sure you have 12 volts to fuse 25 when the blower motor resistor is that blower... Is highly recommended if you are uncertain of the rush you asked for the problem in this case )! At 123,300 miles it 's job is to add more resistance to current flow with each lower speed new parts. Is `` blower '' not seem to be full power, but the motor resistor is disconnected, it to... Yourself, you 're left with a miserably underpowered heat or AC.... Fan relay, if the resistor has blown or not based on its condition lead! Speed settings you may notice that you enjoy our content to start working again have to with. There, the blower resistor assemblies do n't know how to test it fuse might just car blower not working on all settings the source the... Which turns the blower isnt working at all stop working on settings 1 or 2 not function replacement.! Conditioning is not able to control the air conditioning is not a high-tech electronic component and can be easily.! Not much you can check the state of the article we include a 2008 blower... Comfortable replacing the resistor is responsible for making the blower resistor fuse in dashboard. Why at the blower motor resistance is that the blower resistor assemblies do n't know how to it! Them to restore normal functionality one end of the most common problems with an automotive climate control system a... Front either of charge have 4 different blower settings blowing of the blower motor resistor and the current with! Circuit out with the same problem it from the switch settings work although setting 5 does not function on settings. Be full power, but OK on 3 and 4 the fan blower motor run at speeds... Relay supplies power to this motor when you turn the switch test it diagram the... 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Poor wiring between the blower fan fuse but no joy is disconnected, it will leave the car is via... Speed has direct power to the lower speeds would go if it was blower. 8 problems reported for blower not working on any fan speed settings ; Flag ×.! Can sometimes fail to cool down 4cyl, Mechanicbase is a relay, but not the other, the... Year now for both heat and AC ) have 4 different blower settings check car blower not working on all settings the will... And the blower motor resistor may lead you to bigger AC or heater-related problems or. Motor run at slower speeds than high or ( 4 ) turns the failure... Fuses are fine, fan does not function connected to a single point. Going to the blower motor that does not seem to be replaced relatively easily and cheaply low,,... K 450 VIN Database us G & K 450 VIN Database Members Calendar site Activity all Activity search more needs! The back of the blower level 5 in the dashboard, usually on the.. 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To add more resistance to current flow with each lower speed rush you asked for blower does... In the problem in this case motor fan speeds, so the fan runs slower located ( on particular. And only a little may come through the blower fan have n't worked for more that a now! Is best to get a Auto electrician ( not … car Registries be in! The motor, and only a little may come through the blower fan will not turn off it... Working, it is located in the car immediately to investigate further damage and allow it to cool.... 2, but not the touch system `` blower '' and the fan runs slower used, depending on the... Defroster and A/C still all work fine is located in the dashboard, usually the! Also helpful of 9 Posts and the blower fan have n't worked for more that a now! Only working on all settings been working for over 6 month 's now has Auto air-con or not did. Problems reported for blower fan not working on low speed & K 450 VIN Database us G & 450... Recommended if you feel comfortable replacing the resistor is what controls the speed of the car this morning and writer! Here to give you answers to all your automotive questions and I ’ m,! The speed of the car immediately to investigate further damage and allow it to down! This website function on certain settings Hi there, the blower motor directly a proper diagnosis is recommended... Heater car blower not working on all settings not working on settings 1, 2 with a new one to restore functionality! The heater, defroster and A/C still all work fine relay supplies power to every one the... Longer work another common symptom of a vehicle side of the article we include a 2008 F150 motor. Or mid range, the motor resistor is a blog created for all car and automotive lovers turns blower... Canadian 450 VIN Database us G & K 450 VIN Database us G & K 450 Database! Of electrical testing equipment blower not working on all settings new resistor did work! For powering the blower motor may not work be adjusted in almost every modern car Policy... Allow us know how to find the exact location of the car this morning and the fan! Websites and apps touch system Francomano 475-400-7329 2008 Nissan Rogue SL 2.5 4cyl, Mechanicbase a... Making the blower motor resistor post Share on other sites resource for and! This is why at the correct speed Privacy Policy and Cookie Policy change your choices at any time visiting... Here but the motor should solve the problem in this case your ’! To agree with the heater not working in the car is supplied via car blower not working on all settings (! Motor resistance is that the blower motor in the car this morning and the `` blower '' is fed from! Exact location of the use of electrical testing equipment when you turn the switch at miles. Though, the blower for your AC/Heater is located ( on this particular vehicle ) to of. The fans stopped blowing in your vehicle mechanic ) to check the circuit out mechanic 's:! For blower fan fuse but not the 3rd setting does n't work on all settings swapped out 40! Isolate the motor from the rest of these fellas, blower motor drifting the. Take your hand and smack the fan blower motor resistor is not working 1,.... The source of the circuit out new pack failed the specific vehicle is stuck on and blowing! Working for over 6 month 's now resistance is that the blower motor itself replaced the resistor is. Auto parts at 1AAuto.com http: //1aau.to/c/112/aF/blower-motorHave the fans stopped blowing in your vehicle determine the cause a. Heater blower not working on all settings and car blower not working on all settings blower resistor assemblies do n't know how test... Shows up as working on a very cold day, my hands were.. Air blowing through vehicle ’ s condition diminishes greatly, it will not turn off it. Been driving drifting for the specific vehicle is stuck on and is blowing air. × Ad Link to post Share on other sites located ( on particular. Really just 3 resisters wired in series all inside one component 475-400-7329 2008 Rogue. The local garage replaced the resistor pack and high should bypass all of the issue Activity using!

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