Blower Motor No High Speed

Most car manufacturers use a series of resistors to make the heater blower motor run at different speeds. I'm helping out a friend who has a 2002 QX4 where the blower motor is not turning on. Easy online ordering and next-day delivery available with 24/7 expert product support. 6 volts are sent directly to the blower motor. If there is a HIGH SPEED relay, I can't find it. I read lots of posts on this site and others, all saying when your interior blower doesn't work, or only works on high, then you need to change out the resistor. When the blower motor resistor fails on your GMC pickup or SUV, the blower motor will only work in one speed and in a few cases not at all. This is usually the case after a blower resistor failure on one or more speed settings. Remember that it’s possible for the blower motor to fail itself. Then low speed fan on lo auto, and off. It is a little plug in board under the passenger side dash. China Blower Motor manufacturers - Select 2019 high quality Blower Motor products in best price from certified Chinese Electric Motor manufacturers, China Motor suppliers, wholesalers and factory on Made-in-China. The highest setting 5 has no resistor, so the blower runs on high but the high current flow ends up burning up the switch's contact on that setting or the relay and may be the resistor wire harness at the blower motor has gone bad. I'll go one step further and say that if you're blower motor works on high and you have the card type Ford blower motor resistor, no further diagnosis is required. Couldn't find the previous thread I'd started about this. Pull the. The HIGH speed stopped working while my A/C was running. On most vehicles, the highest blower motor speed setting bypasses the blower motor resistor to give the fan full vehicle voltage (typically between 12 and 14. However, if the only speed the fan is missing is the high setting than the likely cause of the problem becomes the high-speed relay. In most cases, the controller receives a digital input from the speed switch or HVAC control head. I initially thought the switch was bad so I replaced it, but I still don't have high speed on the blower. All but no Hi, Hi speed relay. Confirm the 12 volts into the blower motor on the 'high' switch setting. The most common symptom of a faulty blower motor resistor is a blower fan that only works on one speed, usually high. no high is high speed relay, no lower speeds but high works is blower resistor, no speeds at all but power and ground to motor is motor. AC/Heater fan won't work on High. Chevrolet Silverado 1999-2006: Why Doesn't My Blower Motor Work? If you notice your blower motor is not functioning on certain speed settings, has a burning plastic smell, or the blower continues to run with the ignition in the off position, it may be time to replace your blower motor. Most car manufacturers use a series of resistors to make the heater blower motor run at different speeds. Where is the resistor located, under the glove box??? I just lost high. This can be caused because of bad wiring between the blower motor resistor and the blower motor itself. no high speed on blower And by the wayHI i am new here I just bought my 2000 Wrangler Sahara 4. Blower motor quit working on my Pontiac Grand Am 2001 v-6 engine. if the blower motor quits working on you. Everything works great but I have the infamous low-medium-low syndrome. Discuss 1999 Buick Century - Low Blower fan speed don't work - High Works in the alt. High speed turbo blowers use a direct-coupled. High speed runs 12V right to the motor and each slower speed runs through more and more resistance to make the blower motor run slower. sometimes when you have the air on, it will just stop blowing. If there is power indicated on high blower speed, but not low or mid range, the problem is the blower resistor. there was even a time sensitive recall through ford on approx. Your vehicle's blower motor resistor controls the speed of your blower motor. Verify the blower motor only operates on high speed. Have a 2001 chevy s10 heater blower not working on high? seems to work fine on 1,2,3 but nothing on 4. A/C blower cycles on high speed for a minute or so then drops to zero or very low speed for half a minute or so. When a blower resistor fails, the highest fan speed usually is the only one that still works because it essentially bypasses the resistor and receives the maximum amount of voltage. This is normally the wire leading to the air conditioning or high-speed wire on the speed tap. THE high speed for the fan gets its power from another source through the high speed relay and I believe the relay on this year of van is part of the blower motor resistor assembly. Each manufacturer calls it a different thing such as Trane calling it the Comfort R and Carrier calling it Infinity Control. Ground is now applied to the Front Blower Motor (M101) through one resistor of the Front Blower Resistor Unit (Z214) and the Front Fan Speed Switch (X247). HELP!!! Thanks, Rick. If you have no speeds at all I would suspect either the blower speed switch and its electrical plug is at. 7 Dodge Dakota JOIN HERE 12/11/2011 11:58:13: RE: Blower Motor dead IP: Logged Message: Check the panel on. The resistor module is easy and inexpensive to replace. Looking for TENNANT 3 Speed Portable Blower Fan, 1950 CFM High, 120V Voltage (12H331)? Grainger's got your back. Replaced fan blower resistor fan blower worked fine for 2-weeks. Car and Truck Heater Parts Heater Blower Resistor, Speed Control AC Industrial Motor Speed Controls, Monte Carlo Ceiling Fans with Light, Monte Carlo Lodge Ceiling Fans, High Speed Cars Vehicles 1:87 Scale, Monte Carlo Tropical Ceiling Fans, TYC Blower Motors for Chevrolet Monte Carlo, Standard Blower Motors for 2005 Chevrolet Monte Carlo,. Per the Haynes manual for my Ford Expedition, which I successfully used to troubleshoot my F-53 based Winnebago blower issues,. When that happens, you lose that speed. My question is, since there is a difference in the "default" fan speed for each connection, should the blower motor be rewired so that is it runs at "medium/low" speed rather than at "high/medium. We have deals for Hvac Blower Motor Front and here are the sales for today. DIAGNOSIS: Turn the ignition key to the RUN position. SWT01280 Trane High Temp. The 2013 Ford F-150 has 3 problems reported for heat / a/c blower motor not working. so I had the blower motor and. check the fuse 2. Turn the fan switch to an on setting, and verify you are getting voltage at the blower motor. No - this article does not apply. If you have a 2005-2011 Toyota Tacoma with a concern that the air conditioning blower motor only works on the High speed setting, then you will want to look into replacing the blower motor resister and it's wiring harness. (Remember to normally balance in cooling mode. Blower resistors can burn out. BLOWER MOTOR CONTROL RESISTOR Speed Control for Your Fan • Blower motor control resistors restrict the voltage that high humidity, water spray, dust and salt. i was able to fix the the blower on hi speed. also found burt wire to resistor connector. 97-99 contours. This is where a car's AC problems begin, now that you can see the blower has got buggered. Good luck and keep us posted. SLOW, MED 1 and MED 2 speeds worked. When this happens, you may notice that you will not feel anything blowing out of the vents at all. If only the high speeds. Compact High-Speed Hand Held Electric Blower - 200 MPH Air Blast - Vacuum Kit Motor stopped working after 15 minutes of continuous use, when the price is to good. I'll report back when (and if) I succeed in rejuvenating this original fan blower motor with new brushes. replaced myself the blower resistor. I have replaced the resistor and the fan speed switch. The high-speed permanent magnet synchronous motor (PMSM) provides high efficiency at varying loads with no slip and no mechanical losses. The relay is normally attached to the A/C plenum under the hood, close to the resistor block for the fan motor. 2L has no high speed on A/C blower motor. Is relay and fuse good?. I replaced blower resistor, no change I replaced blower switch no change. I put a new blower in last winter from checker auto parts cause my other one squealed and I seem to remember it working good when I put the new one in. Check for open circuit voltage at the blower motor connector while unplugged, should. Now I have the first 3 speeds working but the motor still doesn't blow on high. I put a new blower in last winter from checker auto parts cause my other one squealed and I seem to remember it working good when I put the new one in. SWT01280 Trane High Temp. If the blower motor only works on high speed or certain speeds the motor itself may be just fine. Replaced blower motor resistor but still have same prolem (only works on high speed) the motor seems to be OK could it be the fan switch? 2 Answers Replaced blower motor resister and still have same problem on 92 Chevy S10 2dr, 2wheel drive, small V6. On all models, remove suspect blower motor relay or high speed blower motor relay. The resistor obviously works and the blower motor obviously works. If you have a 2005-2011 Toyota Tacoma with a concern that the air conditioning blower motor only works on the High speed setting, then you will want to look into replacing the blower motor resister and it's wiring harness. See my sig for my truck info. Car and Truck Heater Parts Heater Blower Resistor, Speed Control AC Industrial Motor Speed Controls, Monte Carlo Ceiling Fans with Light, Monte Carlo Lodge Ceiling Fans, High Speed Cars Vehicles 1:87 Scale, Monte Carlo Tropical Ceiling Fans, TYC Blower Motors for Chevrolet Monte Carlo, Standard Blower Motors for 2005 Chevrolet Monte Carlo,. if the blower motor quits working on you. I couldn't personally do the repair due to a few physical disabilities. The blower motor resistor assembly is mounted next to the blower motor, inside the HVAC module. The blower motor plays an extremely important role in forced-air systems. A/C blower cycles on high speed for a minute or so then drops to zero or very low speed for half a minute or so. 97-99 contours. Figure 5 shows the motor portion of the current model and new model. Trailblazer blower doesn't work on 5 diagnosis (manual HVAC only!) My high mileage, scratchy as ever, 2003 Trailblazer. 2, 3 or 4 Speed, Single Speed, Direct Drive Blower Motors With Reversible, Clockwise or Counterclockwise Options. Blower motor only works on High (4) Ok-today I went out to the 2006 TDI only to find that my blower motor only worked on high (4). A/C blower cycles on high speed for a minute or so then drops to zero or very low speed for half a minute or so. If you start at the blower motor, and check resistance in the circuit, you will find the problem in no time. There was no ground on the blower motor connector, which indicated a bad blower speed control module. Trailblazer blower doesn't work on 5 diagnosis (manual HVAC only!) My high mileage, scratchy as ever, 2003 Trailblazer. My blower motor only turns on in one speed setting, the 3rd setting. Easy online ordering and next-day delivery available with 24/7 expert product support. 0L Turbo (CCTA) (2010) > Volkswagen Workshop Manuals > Heating and Air Conditioning > Blower Motor Resistor > Component Information > Technical Service Bulletins > Customer Interest for Blower Motor Resistor: > 8010-03 > Aug > 10 > A/C - Blower Motor Operates On High Speed Only (US) > Page 4259. If you remove the plastic cover below the glove box (3 screws) you can see the blower motor. 2 bushel shoulder bag holds plenty of mulched leaves and debris. It’s bolted to the heater plenum under the hood, left of the blower motor. Failure to control fan speed. 2 black wires. Symptom of a bad resistor for me has been that the AC/heater blower will only work on high. If you look at the wiring diagram for the Ford F150 below, you'll see that the high speed setting bypasses the resistor assembly completely. When off the high speed it reverts to the low heat speed. I have no hi speed blower motor. I read lots of posts on this site and others, all saying when your interior blower doesn't work, or only works on high, then you need to change out the resistor. THE high speed for the fan gets its power from another source through the high speed relay and I believe the relay on this year of van is part of the blower motor resistor assembly. KUGOO S1 Folding Electric Scooter shock mitigation,30km/h Speed 350W - CE,RoHS KUGOO S1 Folding - $609. The HIGH speed stopped working while my A/C was running. I lost only speed 5 on the blower and ordered a relay & harness from The Electric Connection and replaced this last weekend with no change. Replaced blower motor resistor but still have same prolem (only works on high speed) the motor seems to be OK could it be the fan switch? 2 Answers Replaced blower motor resister and still have same problem on 92 Chevy S10 2dr, 2wheel drive, small V6. Heater Blower Motor Resistor. key on and the blower motor on HIGH speed in the VENTS position on the A/C slider. On most vehicles, the highest blower motor speed setting bypasses the blower motor resistor to give the fan full vehicle voltage (typically between 12 and 14. when engine running no control on the blower speed. Fan speed: 1 (Max AC) AC lights came on, compressor could be heard working. Dee, I had the same problem , that post you seen was more than likely mine. Azure ™ Digi-Motor ® 51⁄ 2 inch dia. The high speed blower relay probably has the same part number as the horn relay or AC compressor relay in the circuit set. Couldn't find the previous thread I'd started about this. 2004 chevy Colorado 5 cyl. the hi speed power feed in the blower relay comes from the 40A fuse under the hood. Most car manufacturers use a series of resistors to make the heater blower motor run at different speeds. The large blow tubes cover a large area at a time increasing time needed to clear a particular area. Or the blower motor might spin on speeds other than high, but turn rather slowly and move minimal amounts of air. and maintenance intensive. If there is no power indicated on high blower speed, the problem is most likely the switch or the fuse. Question: Blower motor will not run on high have replaced motor and resistor. These blowers, like all motors, eventually break down and need replacing, and in the heart of the coldest months this can be a long and expensive procedure. I was in the middle of changing the cabin air filter. And when one or more of these resistors burn out, you're usually left with only one heater blower motor speed—high. It is a 5 minute fix. Blower motor circuits are often similar in design. anybody have this problem before. blower motor of an applied vehicle when the motor is run at low fan speeds (speed 1 or 2), a new, noise reducing blower motor cover is available (see Figure 1). Discuss 1999 Buick Century - Low Blower fan speed don't work - High Works in the alt. THE high speed for the fan gets its power from another source through the high speed relay and I believe the relay on this year of van is part of the blower motor resistor assembly. If one of the resistors burns up (opens), only a few of the speed settings will work. Fan speed does not have set speeds, it's more like a rheostat. I am now truing to convert the wiring to adapt to my older furnace, and the new motor has more wires, and different color wires, and the schematic on the motor is too simple, it does not address the additional wires, as it was designed as a multi speed. It's possible the fan switch is bad, but my experience is that most times it's the relay or fuse, or a poor electrical connection. just a few words of wisdom to all those working on your blower motors. First check your fuses. I have no hi speed blower motor. If you notice your fan working at high speed but not on low speed, the blower motor may be failing, due to a faulty resistor. Trane, Carrier, Rheem, York, and all the big HVAC manufacturers (and a few small ones also) have their own tagline for describing the ramp up and ramp down for the ECM blower motor. Power out will change depending on speed. The high speed blower relay probably has the same part number as the horn relay or AC compressor relay in the circuit set. This defect is primarily a result of coil breakage. 07-24-05 05:15 PM - Post# 746938 In response to deanrschmidt If I remember correctly when running on the lower speeds, the heater motor is powered by the fan switch, when switched to high, the switch powers the relay and the relay powers the motor by a separate feed through the relay, be sure that feed wire is getting power at the relay. 2 Impeller design A high static pressure can be obtained by increasing blower rotational speed. Recently the 5th speed stopped working and I'm worried the 4th speed is going to die as well. This is where a car's AC problems begin, now that you can see the blower has got buggered. Carect speed a replace blower motor if necessary. I have replaced the black BOSCH relay behind the glovebox, the blower RESISTOR and the blower MOTOR and still cannot get the blower to work on HIGH. 23 Answers. The speed has been checked with a tacho, both motor and blower are as expected. just a few words of wisdom to all those working on your blower motors. 5 hrs to do the job. It's bolted to the heater plenum under the hood, left of the blower motor. These small ventilation blowers can be found is both gasoline driven configuration with 115/230V single stage electric motor. The AC works great on all settings except HIGH. Driving home the other day started to smell hot electrical wires inside my 2007 GMC Canyon. Since the blower motor runs at 12V you can run wires directly from the battery to the blower motor, if it doesn't run easily or at all, it's probably dead. worked at abour 2/3 of max speed. check the fuse 2. The M18 FUEL Blower has the power to clear from 15 ft. Test however with IGN. 2 Impeller design A high static pressure can be obtained by increasing blower rotational speed. Recently the 5th speed stopped working and I'm worried the 4th speed is going to die as well. 2002 Chevy 2500HD with manual air. I have a service manual and I've gone through the self diagnostic program which shows the sensors to be ok. if that is the case then it most commonly is the blower resistor. I am wondering if anyone else has had this problem? Unlike many of the other posts that I have read they atleast get high to work where mine stops working all together and then it will start again. These motor are: Blower motor ; Condenser unit motor. Webb - 150 Years of Selection & Solutions. So the other night coming home i had the heat on high blower on high. 2004 chevy Colorado 5 cyl. I have replaced the fan switch, the blower relay,and still have ni High speed, on a/c or vent or anything. I've replaced the interior variable speed switch, the resistor and relay under the hood, and the blower motor still runs very slowly when all a/c and heater switches are in off position; when the a/c and heater switches are in an "on" position there is still no ability to change blower motor speeds - it seems to run only on what might be the medium speed. Find the best selection of heating and A/C components for your vehicle at Pep Boys. Could this be my problem also? Or could it be the blower relay or maybe even the blower motor?. Looking for TENNANT 3 Speed Portable Blower Fan, 1950 CFM High, 120V Voltage (12H331)? Grainger's got your back. If you study the problem, it can tell you a lot about what might be wrong. blower speeds (Blower-hi/M2/M1/low) and then to ground (G202) The B+ from the low side of the blower motor also goes to the Blower resistor block: R1/R2/R3 and then to the blower speed contacts on the selector switch. My blower for the heater doesn't seem to blow very hard even on high. Tore the box apart and found I had 12 volts at the connector (actually had 12 volts on all speed settings). What is a blower motor controller? A variable speed motor is controlled by a digital speed controller. The high speed blower relay kinda' looks like a horn relay. If the blower motor doesn't work at all, you probably have a defective relay. Diagram here: 8125dbf4. These small ventilation blowers can be found is both gasoline driven configuration with 115/230V single stage electric motor. Fuse Intact. I ran the EATC diagnostics and received no errors. No blower speed at all and therefore no heat. If there is a HIGH SPEED relay, I can't find it. Confirm the 12 volts into the blower motor on the 'high' switch setting. Worked fine on low medium and high. Re: Fan motor won't run at high speed. I couldn't personally do the repair due to a few physical disabilities. I would first suspect a problem with the blower motor relay or fuse 3 (30amp) in the underhood fuse block (I'm assuming that you do not have elecrtonic climate control). I lost only speed 5 on the blower and ordered a relay & harness from The Electric Connection and replaced this last weekend with no change. Same problem, ran fine but kicked out after a few seconds on High. When the unit is in cooling mode, I notice, the blower comes on, is much louder, and probably, though, with no scientific measurements, about twice as hard. when engine running no control on the blower speed. I put a new blower in last winter from checker auto parts cause my other one squealed and I seem to remember it working good when I put the new one in. If only the high speeds. It's located inside the dash, often on the opposite side of the steering wheel or inside the engine compartment on the firewall. sometimes when you have the air on, it will just stop blowing. Most fan motors of the permanent magnet dc type are controlled by a resistance in the supply wire - a high resistance for low speed, medium resistance for medium speed, and no resistance for high speed. This is a normal energy saving mechanism that the motor is supposed to employ. Changed The fan motor speed controller, then the fan motor. Does a differential in cost of about $ 1,500 sound right ? If not, what would be "right" ? Thanks, B. The most likely culprits here are the blower resistor under the hood and it's associated electrical wiring pigtail. clarification Can someone confirm or deny the following info please : 8. I read in the forums that the resistor pack is messed up. Re: No High Speed Blower Fan 08-15-06 03:12 PM - Post# 985786 In response to Bill K. It's located inside the dash, often on the opposite side of the steering wheel or inside the engine compartment on the firewall. 2006 Jetta TDI Blower Motor and resistor fix So, I just wanted to pass on my experience with this situation. In some vehicles, though, the fan. This can be caused because of bad wiring between the blower motor resistor and the blower motor itself. The problem would be with a faulty blower motor resistor. Motor oscillates up • It is normal for motor to oscillate & down while being with no load on shaft tested off of blower Symptom Cause/Procedure • Noisy blower or cabinet • Check for loose blower housing, panels, etc. No power on the brown wire at the two wire blower motor harness connector. can some one tell Me what might be the broblem. first check and see if it only works on the high speed setting. 78-87 GRAND PRIX BLOWER MOTOR HIGH SPEED FAN RESISTOR 83-86 PARISIENNE 973-032 (Fits: Pontiac Catalina) 5 out of 5 stars 5 product ratings 5 product ratings - 78-87 GRAND PRIX BLOWER MOTOR HIGH SPEED FAN RESISTOR 83-86 PARISIENNE 973-032. The post mentioned that there is a blower motor resistor located somewhere behind the glove box or passenger kick panel?, and that this resistor needs to be changed. Go to a salvage yard, find a low mileage Durango or Dakota and pull the motor and resister and then you will be good to go. Unfortunately the blower motor on the Altima is not working. pn 1K0 959 263A. Couldn't find the previous thread I'd started about this. Trane 115 Volt Inducer Blower Motor for High Efficency Furnaces. no high speed blower. Replaced fan blower resistor fan blower worked fine for 2-weeks. See my sig for my truck info. Where is the resistor located, under the glove box??? I just lost high. Hi There, The resistor is what controls the speed of the blower motor, not the relay. 4 AMP, open permanent split capacitor, REVERSIBLE, 48 Frame, Sleeve Bearing, 60 Hz, Motor comes with new electrically compatible. When the Hi speed is selected a relay operates which changes the blower motor power supply to another fuse. It runs on the high speed only intermittently. The high speed runs off of a dedicated relayno resistors for that. Thankfully, testing the blower motor resistor is not that hard and in this tutorial I'll show you 4 different tests that will help you troubleshoot it and find out if its bad (or not). Many blower resistors control current to the blower motor in all speeds except high. Heater Blower Motor Resistor. Average failure mileage is 69,600 miles. I ran the EATC diagnostics and received no errors. my blower fan does not operate at high speed. I pulled the 30 amp A/C fuse under the hood to shut it off. Tool-less conversion makes it easy to switch between blower and vacuum attachments. The impeller is directly connected to the motor. the only time I do not get voltage is when I put switch to high but do get voltage out at back of the switch in dash???. So, it was time to take the plunge. Open one of the resistors, no voltage gets to the motor. 9A, shaft size 1/2" x 5", reversible, sleeve bearing, mounts with belly band (not included) or 4 studs on shaft end, 1 year replacement warranty. At the bottom of this page is a video that’s very popular. Order Today!. example:i have it one setting off high and is blowing air like on one step above low. I initially thought the switch was bad so I replaced it, but I still don't have high speed on the blower. Unlike conventional blower motors, the variable speed motor will typically use only about 75 watts of power per hour compared to a conventional blower that uses about 400 watts. The system requires a motor, called the blower motor, which powers the fan utilized to propel air from your cabin vents. Some at high speed, I was told by a friend that the blower had been drying the. I just wish I could figure out why I don't have a high speed? Replaced switch and high speed relay and still nothing. If you have a 2005-2011 Toyota Tacoma with a concern that the air conditioning blower motor only works on the High speed setting, then you will want to look into replacing the blower motor resister and it's wiring harness. It is under the passenger side of the dash, in front of the blower motor, up against the firewall. How the ECM Motor Works as a Blower - Variable Speed GE ECM Motors. sometimes when you have the air on, it will just stop blowing. Anything from no air circulation to annoying or noisy operation. Unfortunately the blower motor on the Altima is not working. acts like blower motor to me. Good chance that the blower motor speed resistor needs to be replaced and the high speed blower relay has gone bad. Order your Chevy GMC Cadillac Blower Motor Resistor - 1AHBR00009 today at 1AAuto. They seem to. Variable-speed blower motors not only increase efficiency, but they also increase your comfort. NO I"m not stripping the vettebut I had upgraded the blower to a C4 some time ago, had this 'new but C3' blower motor with the old cage on itpulled the old camper unit out, the C3 unit fit fineso had better airflow to bootfunny how old hotrod 'hand me downs' make other vehicles proud. is there a high position fan relay? if so where. I have replaced the black BOSCH relay behind the glovebox, the blower RESISTOR and the blower MOTOR and still cannot get the blower to work on HIGH. Shocked at what the price differential "seems" to be for a unit with the variable speed blower, and for the same unit without the variable speed blower. Compact High-Speed Hand Held Electric Blower - 200 MPH Air Blast - Vacuum Kit Motor stopped working after 15 minutes of continuous use, when the price is to good. If the blower motor fan operates in the HIGH position but fails to operate in the LOW or MED. Furnace blower motor replacement cost starts at about $115 for DIY repair for a small, singe-speed motor. Tore the box apart and found I had 12 volts at the connector (actually had 12 volts on all speed settings). Anyways, my blower/fan motor only blows on low. I am really stumped here. Failure to control fan speed. This defect is primarily a result of coil breakage. Okay so here's the issue. sometimes the blower motor seems not to spin at the speed i have it on. Usually a bad or failing blower motor resistor will produce a few symptoms that can alert the driver of a potential issue. There were threads on here talking about that specific problem but I can't get the search function to work. When you place it on HIGH is works for about 10 seconds, then stops, after a minute or two it comes back on for about 10 seconds and stops again. Some at high speed, I was told by a friend that the blower had been drying the. Durable snap-on 1. The Blower motor LED lights light up to high speed but no fan. Blower motor aka indoor blower. Pull the. Since the blower motor and resistor are working almost constantly, it can wear out over time. FYI I never run the fan on any of my vehicles,on high, and have never wore a motor out yet. or the high speed contacts, in the relay. RE: Blower Motor dead IP: Logged Message: repalced blower motor and resistor but still not working. SLOW, MED 1 and MED 2 speeds worked. Then it really died. Direct Drive Blower Motor Lead WiresDirect Drive Blower Motor Lead Wires Lead Wires: 4 HP Taps & the Common Black – High HP Blue – Medium High HP Yellow – Medium Low HP Red – Low HP White - Common Capacitor Wires (Not Shown) are Standard Brown and Brown with White Stripe The Ultimate Truck Stock Motor™. At lower speeds -- medium 2, medium 1 and low -- the voltage is dropped accordingly across the resistors. See my sig for my truck info. I thought I saw a prior post on this but can't find it. They seem to. Make sure the signal voltage does not go to zero when pushing the high speed button. You shouldn’t have to settle for getting just one speed. example:i have it one setting off high and is blowing air like on one step above low. the hi speed power feed in the blower relay comes from the 40A fuse under the hood. With loss of high speed fan, other fan speeds (lower) operation became intermittent, works after jiggling blower motor wire bundle at connection point on blower motor resistor. 9A, shaft size 1/2" x 5", reversible, sleeve bearing, mounts with belly band (not included) or 4 studs on shaft end, 1 year replacement warranty. High speed turbo blowers use a direct-coupled. In which case, the blower motor might not spin on any speed other than high. there was even a time sensitive recall through ford on approx. 7 bar) through the entire range of operation. Worked fine on low medium and high. Any help would be appreciated!. The blower motor resistor in your BMW is part of the HVAC system, or the heating and air conditioning system. if that is the case then it most commonly is the blower resistor. The speed of the fan is determined by means of the blower motor resistor. See my sig for my truck info. The circuits burn, and only high works because high is on a different circuit, and does not go through the resistor. Blower motor speed control for ac heater lost 3 of 4 speeds. Finding the location of the fan assembly is a good place to start. I'm a EE, so I like schematics. When the Hi speed is selected a relay operates which changes the blower motor power supply to another fuse. I have a 2002 LL Bean. Taiwan Blower Motor Fan-Find Details about strip, fan wheel, strip type, impeller, tablock type, tablock, turbo impeller, dual, Blower Motor Fan, strip type fan wheel, tablock type fan wheel, 風輪, dual wheel, cooling fan from Taiwan Impeller supplier-CAM YORK INDUSTRIAL CO. It doesn't run. Find the best selection of heating and A/C components for your vehicle at Pep Boys. This defect is primarily a result of coil breakage. Going to high speed off the battery can create a nasty arc and can cause the motor to not run. P0495 – Engine coolant blower motor speed -high. 00 plus labor. Average repair cost is $110 at 40,150 miles. (Common Problem-- '99 to 04 Cherokee) In the Cherokees with ATC ( some call it: AZC - Auto Zone Control) The PROBLEM IS THIS: With the ATC System -- The CONNECTOR on the Blower Motor Control Module-- OVERHEATS Resulting in Intermittent OR NO Operation of the Blower Motor!. If there is no power indicated on high blower speed, the problem is most likely the switch or the fuse. TurboLIGHT is based on centrifugal blower technology, which eliminates low-frequency pulsating flow, ensuring less noise transmission. Blower motor only working on low speed. Anyways, my blower/fan motor only blows on low. 0L Turbo (CCTA) (2010) > Volkswagen Workshop Manuals > Heating and Air Conditioning > Blower Motor Resistor > Component Information > Technical Service Bulletins > Customer Interest for Blower Motor Resistor: > 8010-03 > Aug > 10 > A/C - Blower Motor Operates On High Speed Only (US) > Page 4259. This is a new substitute for the original 1/5 or 1/8hp motor which is no longer available. The high speed fuse is an inline fuse located under the hood on the passenger side to the right of the variable speed blower motor resistors and between the snorkel and the alternator. sometimes when you have the air on, it will just stop blowing. There are currently 5 responses to "Fixing BMW E36 Blower Fan Speed. In the end it was the A/C clutch relay for defrost.