How To Clean Blower Motor Resistor

The experts at 1A Auto show you how to replace a broken or failing blower fan blower motor on you 99-02 Chevy Silverado or Tahoe; or GMC Sierra or Yukon. Blower Motor Resistor Location Ford F250 In the event the blower with your furnace is not doing the job anymore, the furnace blower motor could be busted. This will make room for the blower motor to come out of the housing completely. Also, the Blower Resistor (64 11 6 923 204) is available in the US from Bavarian Autosport (www. I removed it[resistor] and found a solder fuse that had let go. To begin, when I first got the car, 4 years ago, the blower would not work on the third speed. If the blower motor fails to operate on position 1, 2, and 3 while 4 still works, then you have a resistor pack problem. Your motor may be the part at fault, or you may be having problems with your blower motor resistor or a connector. I've not done one before so this might not be the best way but it worked for me. You do have to follow instructions and have a lot of tolerance though. Noisy as can be, but works otherwise. I swapped out the blower motor resistor and so far, so good. I believe , it will work more. See the image below. In order to start with me where I start today you must first watch the cabin filter video. the electrical connector is outside the air box. These motor resistors are known to lessen the amount of air, which is coming through the vents. Chances are you have a blower motor drawing too much current (too many amps) through your resistor. If the motor fails on all 4 positions , then the resistor pack is probably OK and your problem could be any of the items 2 through 6. You'll find a detailed procedure, along with pro tips to help you get the job done safely and efficiently. It’s then typically installed in the ductwork, near the car blower—either under the dash or under the hood. Fair enough so I got one. Blower Motor Resistor Location Ford F250 In the event the blower with your furnace is not doing the job anymore, the furnace blower motor could be busted. The whole blower motor will come down. Tighten the bolts or screws firmly. There are two common causes of a heater blower fan problem in the Scenic 2 without aircon: A. ( If it fails your blower works on its default with fan at full speed and not adjustable ) That is the front blower motor resistor which is located behind the glove box; the rear blower motor. Also, the Blower Resistor (64 11 6 923 204) is available in the US from Bavarian Autosport (www. Inspect and clean the contacts. Within the blower motor resistor assembly is a non-user serviceable thermal fuse. com âœ" FREE DELIVERY possible on. Brand: Ford. Remove the passenger side under dash cover using the 7mm nut driver to remove the screws. When the cabin temperature was hot, like summer sun beating down hot, the blower motor would demonstrate the exact symptoms described above. This is caused by a defective blower motor speed control resistor. The process will reuse the existing hardware and it’s highly recommended to check them prior to installing the replacement. Is there some trick to getting those off? Trying not to ruin the connector in the process of removing the old blower motor resistor. A furnace blower motor is one of the most important components in your gas or oil furnace. ** that is all View entire discussion ( 13 comments). It is mounted to the the blower housing near the blower motor. com, your source for quality replacement parts and the best service on the internet. The blower motor resistor controls the motor's speed on your Honda Accord. when the blower blows air cools down this resistor. For example, it worked when I started the car this morning and after a quick shut off and turn on the car after a store errand no blower motor. There is 12V at the two female connectors that go onto the blower motor, so I should be good there. WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. Remove the screws or bolts to the blower motor resistor and remove the resistor. 4 weeks ago the blower stopped working on the 1st, and 2nd, while gaining a ticking or humming sound when on the highest speed. Most car manufacturers use a series of resistors to make the heater blower motor run at different speeds. Later model BMWs (generally from the late '90s-on, with digital climate control panels) use a continuously variable blower speed control as opposed to the earlier models that have three or four specific blower speeds that are. Reinstall by reversing the removal steps. I cleaned out my a/c blower motor resistor located on the firewall of the front trunk compartment and found it was completely filled with debris that looked like the contents of a birds nest (or perhaps a mouse nest). Disconnect the electrical connector to the blower motor resistor. Remove the passenger side under dash cover using the 7mm nut driver to remove the screws. The average cost for a Ford Escape blower motor replacement is between $226 and $250. The other one is the traditional and older style belt drive. For example. After a long harsh winter it’s a good idea to perform a little preventive maintenance on your a/c and cooling systems. By now you have a yardsale pile of parts removed, so it is well you clean and repair anything else in the vicinity, such as the resistor and switch, if your motor burned up. There are two electrical connectors underneath, the one on the right is for the fan itself and the one to the left is the resistor. Turn the squirrel cage over and loosen the nut as far as necessary to allow the shaft to move. It took several hours to replace the heater motor and/or resistor. The return or ground side of the blower motor is either switched through a resistor or combination of resistors for the three lowest speeds, but it is switched directly for the highest speed. Usually when the blower motor resistor goes, you’ll start to loose the speed settings. FREE shipping on orders over $99. Since the motor draws so much current, a bunch of current goes through the resistors. You need to do have to follow directions and have many patience nevertheless. I have a new wiring harness and blower motor resistor. I would consider the Preventive Maintenance guide below as the minimum intervals for most heavy duty applications. The resistor is located down on the heater box under the blower motor. How to fix Jeep Liberty blower motor (resistor) – with pictures October 22, 2011 / 209 Comments / in Instructions / by brmorris I have a 2004 Jeep Liberty and the blower motor fan for the heat and air conditioning over time has gotten weaker and weaker to the point of setting number one not even working anymore. This time they tightened the terminal in connector. If the relay is working and there's switched and control voltage at the plug and you can get force the blower to run, then the final stage unit is probably the culprit. It's bolted in the top of the ac case with 3 7mm screws. It's very straightforward - just pop the clips loose and carefully remove the top of the box. Resistors do not burn out first. Since the motor draws so much current, a bunch of current goes through the resistors. 3 Variable Speed Blower Motor Troubleshooting ” Roosevelt Ferr October 10, 2019. behind the glove box, in the bottom of dash an passenger side. SOURCE: how to replace a blower motor resistor in a 2004 jeep liberty You have to take the glove box off and it is right behind it, need a #20 Torx to take it replace it. The "blower motor resistor", which also goes by FSR (Final Stage Resistor) or by FSU (Final Stage Unit), is known to fry itself in almost every single E46 (3-series), E39 (5-series), and E38 (7-series) BMW. With regards to the blower motor resistor, there is a good video from 1AAUTO that should point you in the right direction. The resistor (module) is located next to the blower housing and the wiring harness is connected to the blower motor. The blower on my heater in my 1999 micra is not working and am not 100% sure whether there is any heat coming out either. i have a 2002 chrysler voyager van and the blower motor and they say the resistor in the blower are bad. The process will reuse the existing hardware and it’s highly recommended to check them prior to installing the replacement. After putting the new regulator/blower motor control module in (some might still want to call it a resistor, but I can say after measuring the impedance across all 4 terminals of a good one and a bad one, it is not a resistor in the same sense as similar looking parts are), reconnecting the battery, and then reaching into the car to put it into. I went to area junk yards to see if I could find and replace the part myself. Can this be the circuit board that controls the temp and front and rear blowers, Ac and defrost buttons?. You do must abide by directions and also have a great deal of patience however. Only one or two settings work: If you only have one or two settings working on your blower the problem is generally at the resistor. By now you have a yardsale pile of parts removed, so it is well you clean and repair anything else in the vicinity, such as the resistor and switch, if your motor burned up. Prices may vary from store to store and online NAPA is not responsible for the errors or omissions in pricing and quantity. I removed and cleaned the squirrel cage and re installed it. When you. Estimate does not include taxes and fees. No power on the red wire even though the BLWR fuse is good. My car has an automatic transmission. You'll love the 1999-2003 Saab 93 Blower Motor Resistor - VDO Low Price - Great Deals on all Store products with Free Shipping. How To: To make a homemade blower By Robin Replace the AC/ heater blower motor resistor on a 1998-2004 Dodge Intrepid Clean your gutters around your house. I'm going to try this and see what happens. Locate the fuse for the blower motor in the owners/service manual. The blower motor on older American cars were not always very well-made, and most of them are bad now. Wholesale and dealer pricing available on Lot Of 350 Allen Bradley Rcr07g435js Resistor 1 4w 5 4 3 Meg Ohm Craft Jewelry. Even if you buy a new blower motor resistor (and I'm certain this is the problem), it won't cost more than $25 US. if so then replace blower motor resistor, also blower motor speeds 1-4 go through resistor, 5 goes direct from switch to blower motor. The supply side of the blower motor is always switched via a relay no matter what the speed setting is. To check the blower motor for bearing failure, pull it out of the heater box, leave the wiring hooked up, run the system as normal and keep an eye. Its job is to circulate the air in the car. Usually when the blower motor resistor goes, you’ll start to loose the speed settings. If your blower is stuck on a single setting, or has some settings on which it is non-operational, that means your blower motor resistor may be broken. check the heater and ac ignition fuse. Pull the carpet back from the firewall straight under the glove compartment to give more clearance to get your hands in underneath the blower motor resister. If everything looks OK, replace the Blower Resistor. How to Change a Blower Motor Resistor in a Taurus Remove the bottom cover of the Taurus' dash under the glove compartment using a 7mm socket and ratchet. The Blower Motor Resistor Repair Harness is designed for a clean and direct fit installation. Installation is the reverse of the removal. First let me say that this is the 3rd resistor for this truck. This video shows how to clean the blower motor / interior fan on a Honda CRV. Get the best deals on Car & Truck Blower Motors when you shop the largest online selection at eBay. Install the blower motor in the reverse order of removal. So after extensively checking every damn little thing, I've figured out that it is the blower motor resistor/control module. Air conditioners that are larger and more efficient units might be able to handle moving the air conditioner some distance from the blower without a loss of. I used a punch and struck the motor shaft a couple of times to free the cage from the old motor. HVAC Fan Motor Legend: (1) - Resistor (2) - Blower Motor Cooling Tube (3) - Blower Motor (4) - Blower Motor Electrical Connector (5) - HVAC system. How to fix Jeep Liberty blower motor (resistor) – with pictures October 22, 2011 / 209 Comments / in Instructions / by brmorris I have a 2004 Jeep Liberty and the blower motor fan for the heat and air conditioning over time has gotten weaker and weaker to the point of setting number one not even working anymore. The blower motor is still Ok. The fan speed switch on the dashboard selects the resistor's mode. Basic instructions on how to troubleshoot the heater blower motor of a Saturn S-series. 12 Month/ 12,000 Mile Warranty. But i will say it does and sound and push air alittle bit better than stock but time will tell. replace blower. These are clean, this is not the problem… On to the blower resistor. is it under the hood by the fire wall or is in inside the van and the only way to get to it is going through the dash. For example, it worked when I started the car this morning and after a quick shut off and turn on the car after a store errand no blower motor. Shop for Blower Motors online at Sparesbox with our 100% Fitment Guarantee. Had no heater or ac blower motor stopped working took to dealership they put a resister in did not fix then change blower motor did not fix ended up finding it was the ground under hood by air filter box a group of grounds in a ground block a wire jiggle lose. Got a blower motor resistor at my local parts dealer for a fair price - more than internet but didn't have to wait! I took about 30 minutes to replace. It's easy to do and shouldn't take longer than a half hour. But i will say it does and sound and push air alittle bit better than stock but time will tell. The blower motor seems to need a new resistor. So, they need to be unbolted and moved out of the way. Im having Problems with my blower motor, Sometimes it will work and sometimes it wont. Pull the instrument panel insulator off the bottom of the dash on the passenger's side of the vehicle. The return or ground side of the blower motor is either switched through a resistor or combination of resistors for the three lowest speeds, but it is switched directly for the highest speed. If not, it could restrict air flow and over-heat the module. Sounds like your cabin filters are clogged or your blower motor. Follow the wiring harness from the blower motor to the blower motor resistor. The Blower Motor Resistor is designed for a clean, direct fit installation. I removed and cleaned the squirrel cage and re installed it. the ’94 is very different from the ’93. Purchase a new resistor module at the auto parts store (usually less than $25). There is one plug for each connection that you must unplug. The resistor limits the amount of electrical current that is fed to the motor, causing the motor to run faster or slower respectively. I lifted the hoop and located the blower motor on the passenger side. Long story short: I've been having blower motors go bad between every six months to every year since we got the car in 2005 (2003 Vibe). Yes, I had just plugged the new resistor in, turned the ignition and fan on, and tested the fan blower's low/med/high settings. Even if you buy a new blower motor resistor (and I'm certain this is the problem), it won't cost more than $25 US. For example. I cleaned out the “mouse cage” under the cowl, as well as the area where the cabin filter is. When I cleaned out the squirrel cage, I decided to be diligent and reach up into the opening and clean out any debris. Blower Motor Components If the blower motor in your vehicle isn't working, you may find yourself very uncomfortable behind the wheel and ready to replace some components. A furnace blower motor is one of the most important components in your gas or oil furnace. Reconnect the battery. photos by Randy Mullins [Randy wrote me a note thanking me for my article about the blower motor replacement - thanks Randy! He fixed his blower motor instead of replacing it. A good indication that you need a blower resistor is if your blower is only working on the highest speed setting. Snap the instrument panel insulator back into place. Installation is the reverse of the removal. 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. Free Same Day Store Pickup. The fuse is what usually blows. I cleaned out the “mouse cage” under the cowl, as well as the area where the cabin filter is. A good indication that you need a blower resistor is if your blower is only working on the highest speed setting. Your blower motor accumulates dust and other dirt from its everyday use. The other day my fan mysteriously went from low to blowing very fast, and the heater stopped heating for about 30 seconds. Estimate does not include taxes and fees. Tips To Help You With A BECKARNLEY 204-0105 Blower Motor Resistor Purchase. Disconnect the blower assembly from the blower motor resistor, recirculation motor, and the blower motor. Depending on your setting, this panel controls how much power the motor will use to channel air to your cabin. Blower motor resistor for HVAC Our CX-9's AC just started acting a bit weird: the rear works just fine, but the front will initially turn on, then won't work no matter how high you turn on the fan or how cold you set it. Blower Motor Resistor Replacement Tutorial I searched for instructions on how to replace the blower resistor, but never found any, and since a lot of people ask about it, here is a how to: This was done on a 2003 Impala LS w/ the 3. My car has 180000 miles. The pictures are pretty much self explanatory and you won't need much more than a basic set of tools for this. Result 2 I now have a heater blower in the car. Towards the front edge of this near the bottom of the glove box there are about four little locking clips. How to troubleshoot and replace a blower motor for GM Grand Am, Skylark, Calais, Achieva The blower motor in my 1997 Pontiac Grand Am suddenly stopped running at any of the four speeds. When it comes to your Acura MDX, you want parts and products from only trusted brands. You will find the best deals on Metrolab Pt 2020 Pt2020 Precision Nmr Teslameter Tested and other equipment here. Grab the carpet at the passenger side kick panel. How to Change a Blower Motor Resistor in a Taurus Remove the bottom cover of the Taurus' dash under the glove compartment using a 7mm socket and ratchet. (The black wire is usually the negative. In order to start with me where I start today you must first watch the cabin filter video. Not getting any air on the rear vents. It is tested for current draw to ensure proper operation and checked for fit, form and function. Toyota 4Runner 1984-1995: How to Install Bypass Toggle Blower Motor Speed Control. ⚡ Updated car parts price list, best prices, fast shipping ☝ boodmo. You'll find a detailed procedure, along with pro tips to help you get the job done safely and efficiently. Blower Sorento That Sorento Sale. Disconnect the blower assembly from the blower motor resistor, recirculation motor, and the blower motor. I have been told by ' O' Reilly's ' auto spares that the blower motor resistor needs replacing. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. I’m guessing the interference from the debris blew out the blower motor resistor. The early '65 heater blower used 3 wires, and was a 2 speed motor. Turn the squirrel cage over and loosen the nut as far as necessary to allow the shaft to move. If you continue to experience a failure, you may need to replace the blower motor as well. Nissan and Subaru as well as Chevy and Ford are examples. You will need to detach the motor from its mount and clean the radial fan with an air compressor. 5 Cubic Yard Rock Bucket And 5. Application. The motor itself is very low tech. How To Fix Your Squeaking/Screeching GM Blower Motor. I searched and found out it was a bad blower motor resistor. Where is the blower fan located? How can I get into it to clean it out? I believe mice may have built a nest somewhere in the heating system. You need to check to confirm that the blower motor is actually getting positive voltage. The motor contains a resistor that enables it to change the speed of the fan based on what speed you set it to. The blower motor relay controls the current used to power the blower motor, and is subject to the constant on and off switching. OK, so I got the blower motor assembly out and applied 12V to it and it does not run. This may seem like a pain to get to, but it's a must if you want to fix the heater blower motor resistor. if blower motor dont work. Super weird blower motor issue 1994 Nissan Sentra, blower motor only turns on when switching from in-car to out-of-car circulation and vice versa. The blower motor ground ties into this ground splice. So over time, water was leaking back into air system, draining down into lowest point (yes, the blower motor casing) and causing blower motor to burn out the resistors and melt the resistor plug (but the blower kept running - poorly). I was about 10 seconds from replacing my blower motor resistor before I had one last weak attempt to avoid the cost. The blower motor controls air flow into the passenger cabin in conjunction with the blower motor resistor (final stage). A bunch of crud came out of the blower motor vent. Procedure: As you can see, the cruise control servo and the windshield washer/coolant reservoir tanks are in the way and prevent the blower motor from coming out. Looking for a 2003 Mercury Grand Marquis Blower Motor Resistor? Get yours at Wholesale Prices and Free Shipping over $50 only here at AutoPartsWarehouse!. 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. Even if you buy a new blower motor resistor (and I'm certain this is the problem), it won't cost more than $25 US. Replacement of the resistor pack is relatively simple. Can you tell me where the Blower Motor resistor is located on a 2005 Grand Marquis GS Ken - Answered by a verified Mercury Mechanic We use cookies to give you the best possible experience on our website. RE: Blower Motor IP: Logged Message: Girlfriend has a 99 stratus. The next day the blower motor went out again. You can watch; glove box removal, blower motor. See Blower Sorento That Sorento description for details from Ebay. Locate the blower motor resistor. The early '65 heater blower used 3 wires, and was a 2 speed motor. These motor resistors are known to lessen the amount of air, which is coming through the vents. Remove both screws and the resistor falls out in your hand,. BMA sells it for less than $140. Then, u se the Phillips screwdriver to remove the three screws holding the blower assembly in place. The blower resistor regulates current as needed to control the speed of the climate control fan. Turn the squirrel cage over and loosen the nut as far as necessary to allow the shaft to move. For each higher speed, power flows through one less resistor. Long story short: I've been having blower motors go bad between every six months to every year since we got the car in 2005 (2003 Vibe). Wholesale and dealer pricing available on Electrical Test Equipment Avionics. However, other factors can cause the blower motor resistor to fail prematurely. It stays on after that and can switch through the speeds, settings, a/c and heater works fine. Unplug the wiring harness connector. Circuit through compressor clutch is completed when A/C relay is energized and pressure switch is closed. Fuses and relays all are ok. Order Subaru Impreza Blower Motor Resistor online today. Within the blower motor resistor assembly is a non-user serviceable thermal fuse. The motor contains a resistor which allows it to change the speed of the fan. Determine what the best times to shop are. Unbolt the resistor with a Torx-20 screwdriver. A Jeep Blower Motor Resistor lets the heating and climate control circuit to control the spinning of the automobile's cooling fan. The return or ground side of the blower motor is either switched through a resistor or combination of resistors for the three lowest speeds, but it is switched directly for the highest speed. The blower motor resistor controls the motor's speed on your Honda Accord. This video will show you how to remove the heater blower motor resistor in a Saturn S-Series car. Remove the bolts from the bracket that mounts the motor inside the blower. Thats your fan speed resistor pack. Jaquan Nick. Hey guys, I've got a 1998 Subaru Outback with a junk blower motor resistor. With blower switch in all other positions, blower motor is grounded through blower resistor and blower switch. Sounds like your cabin filters are clogged or your blower motor. The best-selling replacement parts from the Blower motor resistor section. Your motor could possibly be owning issues with your blower motor resistor or a connector. Buy blower motor resistor connectors online or visit your local Advance Auto Parts store and have one of our knowledgable Team Members help you. It stays on after that and can switch through the speeds, settings, a/c and heater works fine. My car has 180000 miles. Blower Motor Resistor Testing. Blower started being intermittent for several months, then it would come on max with no fan control. ) and I purchased this replacement part: Standard Blower Motor Resistor Installed the new part, everything worked great. My car has an automatic transmission. You are partly correct here. written by Randy Mullins. BLOWER MOTOR RIFLED AIR BH SERIES,BH1400-20,Bus Air conditioning, Bus Air conditioning parts, bus parts 0 Live Chat Have a Question? 1. BLOWER MOTOR RESISTOR, NEW -- This is a high quality, direct fit replacement blower motor resistor; Backed by 1-year, unlimited-mileage warranty. check wire harness connector at resistor, it should have six wires five power wires that corralate with the five settings on switch, so in each switch setting one wire should have power. Lost low speeds on blower for the second time in 6 months. My blower was operating intermittently, and when it did work, I had to have it on high to get any air movement at all. 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. as a blower motor ages and wears, it can draw more current—more current than the blower motor resistor was designed to handle. Estimate does not include taxes and fees. I'm strapped for cash and in a very small town, four hours from the nearest Subaru dealer, so i fixed it myself. I was told that in order to fix my blower motor that would only work on the highest setting I needed to purchase a Blower Motor Resistor, which is correct for Pathfinders that have a manual A/C system however on my pathfinder that has the Automatic A/C it is a whole different set of problems. Now as I mentioned in the video this applies to most vehicles making this noise. Pull it off and clean the ground connection under the screw holding it to the pillar. This Blower Motor Resistor Kit will fit all 1997-2006 Jeep Wrangler TJ models. Now the blower motor works. The staff all advised that they are a hot item that they can't keep in. Remove both screws and the resistor falls out in your hand,. Blower Motor Resistor Replacement Tutorial I searched for instructions on how to replace the blower resistor, but never found any, and since a lot of people ask about it, here is a how to: This was done on a 2003 Impala LS w/ the 3. Where is the blower motor resistor located in a 1997 Lexus ES300? The blower motor resistor is mounted on the driver's foot well to the right of the accelerator pedal. So, a few months ago I noticed that my blower motor would only blow on the high setting. On most vehicles the circuit typically grounds/completes the circuit through the blower resistor. If the resistor is bad you really need to consider the strong possibility that the resistor failed because of an aged and dragging blower motor. Do not pull of any balance clips on the blower wheel. The fuse is what usually blows. Blower motor and/or blower motor resistor, if replacing. Many blower resistors control current to the blower motor in all speeds except high. I am thinking this is due to the blower motor resistor ****ting out as the electricity and the product starts to disintegrate. It should be a bad blower motor resistor module unplug the power wire to the blower motor. I need the instructions to remove and re-install the HVAC blower motor. In one design, the car maker supplies battery power to the speed switch, which switches the power to the appropriate connection on the blower motor resistor. Oil if necessary. The blower motor power module may get very hot during normal operation. I cleaned out my a/c blower motor resistor located on the firewall of the front trunk compartment and found it was completely filled with debris that looked like the contents of a birds nest (or perhaps a mouse nest). you need a new blower motor resistor with auto temp. A Jeep Blower Motor Resistor lets the heating and climate control circuit to control the spinning of the automobile's cooling fan. 1X GENUINE SUZUKI Alto Blower Motor Resistor. No power on the red wire even though the BLWR fuse is good. Buy blower motor resistor connectors online or visit your local Advance Auto Parts store and have one of our knowledgable Team Members help you. At 7500 miles the blower motor as well as the cig lighter went out. Step 3 – Install the new blower motor. -----For more car related problem troubleshooting:---. Comments: Hi my 325ci blower motor works intermittently , I didn't replace anything just unplug and plugged the resistor, it started working and then stopped, after sometimes started work again, can we clean carbon brush on this. It's bolted in the top of the ac case with 3 7mm screws. ) and I purchased this replacement part: Standard Blower Motor Resistor Installed the new part, everything worked great. Chrysler Blower Resistor Parts. however the resistor components are inside the air box. A capacitor helps the motor run and gives it more torque. Imagine shivering through a winter while kidding yourself that the rear defrost's heat signature is warming you and your vehicle's interior. On most vehicles the circuit typically grounds/completes the circuit through the blower resistor. is it under the hood by the fire wall or is in inside the van and the only way to get to it is going through the dash. The motor contains a resistor which allows it to change the speed of the fan. The motor contains a resistor that enables it to change the speed of the fan based on what speed you set it to. -New blower fan resistor, $70-New coolant expansion tank, $70-New engine air and cabin air filters, $50-New rear air suspension shocks w/lifetime warranty, $300-New 2" Draw Tight frame hitch for bike racks or light trailers, $200-Fresh Castrol Synthetic 0-40 Euro oil change, $60 Cash, face to face, local. This can be annoying, but troubleshooting is easy. This video shows how to clean the blower motor / interior fan on a Honda CRV. Secure the motor with the three bolts. This thread on NPORA has more details on cleaning the blower motor. In one design, the car maker supplies battery power to the speed switch, which switches the power to the appropriate connection on the blower motor resistor. A bunch of crud came out of the blower motor vent. This is not for people who have fans that only work on HIGH thats another fault. As it is I had to pull the carpet out of the way to get on the hidden screw. It went out about a year and a half ago, and the blower would only function when turned all the way to high. I recently replaced the blower motor resistor and the resistor connecter due to the blower not working at all. Basically, a resistor is an awful way to control motor speed. Most of the time, simply replacing the blower motor resistor assembly will take care of the problem. The best-selling replacement parts from the Blower motor resistor section. Remove the bolts from the bracket that mounts the motor inside the blower. This will make room for the blower motor to come out of the housing completely. Buy PartsSquare HVAC Blower Motor Resistor Compatible with Jeep Cherokee Fan 1997-2001 Resistor Replacement for Jeep Wrangler 97-06 Blower Resistor RU353 3A1101 CR158 4864957 RU1046: Blower Motors - Amazon. please help me A: you need to change the blower motor resistor. To check the blower motor for bearing failure, pull it out of the heater box, leave the wiring hooked up, run the system as normal and keep an eye. If your vehicle's motor is stuck on one speed, then it's time to replace the resistor. After putting the new regulator/blower motor control module in (some might still want to call it a resistor, but I can say after measuring the impedance across all 4 terminals of a good one and a bad one, it is not a resistor in the same sense as similar looking parts are), reconnecting the battery, and then reaching into the car to put it into. I took the opportunity to clean the vent plumbing, clean leaves from the recirculate flap and adjust the cable on the heater control. The most typical cause for these symptoms is a faulty blower final stage unit (commonly known as the blower resistor). Pull it off and clean the ground connection under the screw holding it to the pillar. For non-turbo vehicles with A/C, install the automatic compressor ECM.