Blower Motor Resistor Repair

I knew I had to change the blower motor resistor because on my '02 Sebring LX the 1-2-3 options on my fan didn't work, and 4 did. If necessary, the mechanic will replace the heater blower resistor. My lower resistor was not working, so I bought a new one and replaced it. If there is no power indicated on high blower speed, the problem is most likely the switch or the fuse. For example. Need locataion of heat&air blower motor resistor. Variation in fan speed is sign of a malfunctioning resistor. this is what steps down the speed. The Civic blower motor uses this resistor to scale down the voltage or the speed of your air vents. Common issues addressed by this repair kit include: - Fan Motor not working - Fan Motor working continuously (non-stop) - Fan blows on High only Please Note : You may want to replace the Blower Motor at the same time as the Resistor Module especially if your original issue was "fan working continuously". A car's blower motor resistor is a very important part of a HVAC unit. Blower Motor Resistor for sale from #1 go-to online auto parts retailer in United States. PROP65_3; Direct replacement for a proper fit every time. Your Email (required) Your Message. It's bad enough to where it won't turn on the blower motor now, and I am afraid that it is going to catch fire at some point. If for any reason, you can't rate my answer OKAY, GOOD, or EXCELLENT/3 STARS OR HIGHER today. Resistor Module Connector and Blower Motor Resistor Replacement •Remove the blower fuses (Htr A/C & HVAC 1 fuses). Either your blower motor is bad, or your blower motor resistor. How much does Car Heater Blower Motor Resistor Replacement cost? Get an estimate instantly. The A/C and Heater Blower Motor Resistor controls the speed of the blower motor and the force of the airflow out of the dash vents. This resistor is responsible for controlling the fan speeds of the car's heating and air conditioning unit. Ford blower motor resistor problems remain the most common solution to interior fan malfunctions on Ford cars and trucks. 10amp fuse hase blown controling blower motor. MoPar / Chrysler / Dodge / Jeep Cars and Truck 2001 and Up. Installation. The main symptom of motor failure is when it does not work regardless of the speed at which it is set. The heater motor (otherwise known as a blower motor) usually sits behind the dashboard. Most heater motors use a basic electrical circuit. The dealer stated that the vehicle was out of warranty and the repair would be the contact's responsibility. Most of the time, simply replacing the blower motor resistor assembly will take care of the problem. In some cars, a failed blower motor resistor can cause a heater fan to. Up here on your blower motor is the other end of your resistor harness. Here are some tips to help you troubleshoot when your dryer isn't working properly, no matter what brand it is, and make some simple repairs. We sell wholesale to the public. Within the blower motor resistor assembly is a non-user serviceable thermal fuse. In some cars, a failed blower motor resistor can cause a heater fan to. Currently out of stock Please check back soon. Motor Fan Resistor Complete Kit With Wiring Repair Plug Harness. Your car's blower motor is not only necessary for the operation of your air conditioner. A Heater Blower Motor Resistor Replacement costs between $193. Heater fan resistors are responsible for varying the current flow to the interior blower motor. Since the blower motor and resistor are working almost constantly, it can wear out over time. Blower Motor Resistor for sale from #1 go-to online auto parts retailer in United States. I need a new connector and wiring harness that connects to the Blower Resistor but can't find it anywhere for a MCC climate control system on a 1999 Saab 9-3. If your blower motor fails, replace the blower and resistor together. Locate the blower motor resistor on the passenger side under the dash board. Thanks in advance for the help! Charles. This includes checking fuses and making sure the resistor is receiving power. If for any reason, you can't rate my answer OKAY, GOOD, or EXCELLENT/3 STARS OR HIGHER today. Legal | Privacy. Then in the middle of the motor there is a little clamp holding the motor in place. Disconnect the electrical connection from the blower motor; Disconnect the electrical connection from the blower motor resistor; Remove the blower motor resistor retaining screws. Warranty coverage includes any part which, when installed on a vehicle or system, is found to be defective within the period covered by limited warranty and service policy, and are subject to terms of the warranty policy. It's bad enough to where it won't turn on the blower motor now, and I am afraid that it is going to catch fire at some point. It is responsible for controlling the blower motor’s fan speed. The Civic blower motor uses this resistor to scale down the voltage or the speed of your air vents. Other HVAC repairs are NOT covered in this product safety special coverage bulletin. On this type ( same as the 97-03 ) the blower motor resistor or the resistor and pigtail might need to be replaced. Cycling the ignition may resume operation. Re: 2003 Ford Ranger Blower Resistor Repair No problem at all. A blower motor resistor is an integral part to your heating and cooling system and its ability to be adjusted to your preference. How are blower motor resistor issues diagnosed? The mechanic will perform a series of tests that can lead to the blower motor resistor. I think when I did mine, I got the resistor pack from Advance Auto, but ordered an aftermarket pigtail from Amazon. Because it is connected directly to the heater switch, your Nissan Pathfinder blower motor resistor modulates the resistance applied to the circuit that handles the load of the blower motor. Heater Switch to Blower Motor Resistor. Buy Blower Motor Resistor Wiring Repair Kit fits 1997-2001 Jeep Wrangler TJ Cherokee XJ: Blower Motors - Amazon. Type: Blade Female Terminal. A faulty resistor loses power at different positions on the switch. However, other factors can cause the blower motor resistor to fail prematurely. If you can find it, take a large ratchet and rap on the bottom of the. With more than. Hey guys, I've got a 1998 Subaru Outback with a junk blower motor resistor. Copyright 2019 Standard Motor Products, Inc. The one that blew on my car was the 470uf 50v. Extra energy is required to. Your Email (required) Your Message. The fuse is what usually blows. The A/C and Heater Blower Motor Resistor controls the speed of the blower motor and the force of the airflow out of the dash vents. Inspection 1. I researched a replacement but did not find anybody that had one. I have experienced a failed resistor in another vehicle and the different fan settings never worked again until replacement. It was a nice day to work and documenting it was fun. We'll fast-forward as Don tightens those up. These instructions should work for many other. A busted Blower Motor Resistor can very well be the culprit for this. However, other factors can cause the blower motor resistor to fail prematurely. Click image to see it larger. I am at wits end with this. More so, rough connection can cause these components to wear out. What is the part number or the name of the female connect/plug that is in the picture. 2L, Audi A3 8P Quattro V6 3. Testing the Voltage Output of the Blower Switch on the Heater Control Panel. To access the resistor pack, it is usually located to the left of the base of the steering column, behind the trim, and retained with two 6mm hex screws. there are 3 bolts on the back of the motor. Many blower resistors control current to the blower motor in all speeds except high. If you can find it, take a large ratchet and rap on the bottom of the. DaimlerChrysler Corporation has decided that a defect, wh ich relates to motor vehicle safety, exists in some 2006 and 2007 model year Jeep® Liberty vehicles. Depending on what blower speed is selected from the A/C-Heater control panel, this voltage can range between 0 and 12 volts. Crown Automotive 5019941AA Blower Motor Resistor Repair Harness for 97-06 Jeep Wrangler TJ & Cherokee XJ. If the blower motor voltage is not operated well, substitute with a known-good blower m. 0T, Audi A3 8P FWD TDI, Audi A3 8P Quattro 3. The other wire of the blower motor leads to the fuse block (fuse 1, 50 Amps). On many vehicles, the blower motor resistor, which comes as a module that connects to an electrical wire and is mounted near the blower motor, is accessible by removing the glove box or checking. Acura Tl Blower Motor Resistor Manual available for free PDF download. Labor Information Skill Level Mfg. We'll fast-forward as Don tightens those up. How much does Car Heater Blower Motor Resistor Replacement cost? Get an estimate instantly. My first thought was blower motor as the problem is intermittent. A malfunctioning blower motor could pull in too much electricity through the resistor until it overloads the unit and burns it out. Dorman TECHoice Blower Motor Speed Resistor. Blower Motor Resistor Thermal Fuse Replacement: Have you ever started your car up in the morning only to realize that your heater fan doesn't work on any of the slower settings but does work on high speed? Well, my friend did. The most common symptom of a failed blower motor resistor is when the heater fan only runs at the highest speed setting (4 or 5) and doesn't work at low speeds. Wire Leads. 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. Conicelli Toyota Parts Center. Positions 1 – 3 Power is applied to the blower motor via the resistor pack. Remove the blower motor resistor. So, if you are experiencing these symptoms, your blower motor resistor may be bad or failing:. A common symptom of a faulty blower motor resistor is a blower motor that is stuck on one setting. The condition of the blower motor resistor will depend on whether or not the blower motor is functioning correctly. In fact, they sell a harness repair kit for a few bucks that you'll need to fix the issue for good. The fuse is what usually blows. Get an instant estimate for your car and book a certified mechanic to perform the service at your office, or wherever your fleet may go. How much does Car Heater Blower Motor Resistor Replacement cost? Get an estimate instantly. When this happens you'll be using this tutorial to test both sides of the blower motor equation. Blower Motor Resistor for sale from #1 go-to online auto parts retailer in United States. Your definitive guide to Car Heater Blower Motor Resistor Replacement. all other speeds send the groung through a metal coil that resembles a toaster coil. GM Blower Motor Resistor Repair Pigtail Connector 4 Wire $18. A Heater Blower Motor Resistor Replacement costs between $193. I saw many Durangos with the connector and resistor already cut out. A blower motor resistor is an integral part to your heating and cooling system and its ability to be adjusted to your preference. With more than. MoPar Blower Motor Resistor Repair Pigtail Connector. Finding the blower motor resistor should help fix the climate control mechanism. My lower resistor was not working, so I bought a new one and replaced it. It helps control the speed of the fan that pushes the conditioned air into the cabin. Reaostat, (the resistor that is used for a blower motor) Will resist on settings one two and three, but full power on 4, Easy repair as documented in other. If power reaches the blower motor resistor, but the blower motor does not receive that power, the resistor is probably faulty. O'Reilly Auto Parts has replacement blower motor resistors to fit most cars, trucks and SUVs. In high speed the resistor is bypassed and power is fed to the motor directly from the switch. Page 1 of 2: How to Test the Blower Motor Resistor (GM 4. I have a 2002 Durango SLT and my blower motor resistor wiring harness connector just burned up. NOTE: You DO NOT NEED TO REMOVE ALL OF YOUR PLASTICS!!! I removed mine only to see where exactly under the passenger feet area the blower motor was. 987 results for blower motor resistor chevrolet cavalier Save blower motor resistor chevrolet cavalier to get e-mail alerts and updates on your eBay Feed. I found the resistor a little rusty, and I wondered if the surface rust was preventing the heat from escaping to the air correctly. The blower motor resistor connectors in your '94-'02 Dodge Ram are prone to corrosion, overheating, and melting. The blower motor resistor controls the electrical current flowing from the fan switch to the blower fan, which allows motorists to set the fan at different speeds. Blower Resistor Circuit Descriptions. A/C & Heater Blower Motor Resistor for Range Rover Classic 1990 - 1994 Applies To: Item: PRC8010 Fits: Range Rover Classic | '90 - '94. Under the hood on the driver side located in the fire wall is the blower motor itself. The mechanic told me i needed to replace the blower motor and resistor and would cost $700. How to fix a fan that doesn't work on low. Find auto Blower Motor Resistor for Chevy. Installation of the new resistor is just as easy, and has a new harness that plugs into the existing blower motor. You can swap this base where it would seal the air box, and use that resistor pack. Testing your Civic Blower. It worked for 10 minutes, but then when I started the car again it burned out. 2L, Volkswagen Beetle, Volkswagen CC, Volkswagen EOS, Volkswagen Golf V, Volkswagen Golf VI, Volkswagen Jetta V, Volkswagen Jetta VI, Volkswagen Passat B6, Volkswagen Tiguan 1. StoreFront / Repair Harnesses / GM Vehicles, Buick, Chevrolet, GMC, Pontiac, Olds / HVAC / 4180 Repair Harness ONLY, for Blower Motor Resistor Chevrolet & GMC Trucks '90 and up Previous Product Next Product. I would like to attempt to replace it myself. You may find Ebook Pdf 2006 Acura Tl Blower Motor Resistor Manual document other than just manuals as we also make available many user guides, specifications documents, promotional details, setup documents and more. Most heater motors use a basic electrical circuit. The blower motor resistor is the component directly responsible for controlling the blower motor fan speed. 77364061 FIAT Interchange car heater resistor repair. However, it is important to consider the reason why the Honda CRV blower motor resistor blew out in the first place. The mechanic told me i needed to replace the blower motor and resistor and would cost $700. I saw many Durangos with the connector and resistor already cut out. this is what steps down the speed. A car's blower motor resistor is a very important part of a HVAC unit. The blower motor is located in the engine compartment on the passenger side of the firewall. I have five other 240 series volvos, so I fully expect to be replacing another blower in the future. The most common symptom of a failed blower motor resistor is when the heater fan only runs at the highest speed setting (4 or 5) and doesn't work at low speeds. Dodge Vehicles with Melted Blower Resistors. In that case, the blower motor resistor will fail repeatedly. Always lubricate your Nissan Sentra blower motor. A/C & Heater Blower Motor Resistor for Range Rover Classic 1990 - 1994 Applies To: Item: PRC8010 Fits: Range Rover Classic | '90 - '94. The Heater Resistor is also known as the Resistor Pack or Rheostat. The 2006 Chevrolet HHR has 2 problems reported for blower motor resistor short circuited. 0T, Audi A3 8P FWD TDI, Audi A3 8P Quattro 3. I think the screws are 7mm or 5. Dorman TECHoice Blower Motor Speed Resistor. Buy Fan Blower Motors & Related Parts - Air Conditioning Systems online from NAPA Auto Parts Stores. Class A Motor Homes Chassis supplied components on a Chevrolet, Ford and Workhorse gas powered chassis: • Condensor. The blower motor resistor assembly is a common malfunction on them. You want to just push the tab on this and disconnect it. I have five other 240 series volvos, so I fully expect to be replacing another blower in the future. If there is power indicated on high blower speed, but not low or mid range, the problem is the blower resistor. Your blower motor is composed of different gears that turn all the time. Jeep Grand Cherokee Blower Motor Resistor Connector Repair Kit $14. Legal | Privacy. It was a nice day to work and documenting it was fun. Here we’ll discuss the common issue of Dodge blower motor problems and the recommended steps to help prevent melted connectors, damaged wire harnesses and repeat failures of the blower resistor. 1845781 replace ac heater blower motor resistor. Get a free detailed estimate for a repair in your area. Positions 1, 2 and 3 all supply blower motor power, through the thermal fuse. A new blower motor resistor will cost you around $20 at the dealer. Sign in anonymously. BMW AG is conducting a Voluntary Safety Recall (effective November 2, 2017) on Model Year 2006-2011 BMW 3 Series involving the wiring of the blower motor. SAFETY RECALL G03 - BLOWER MOTOR Dear: (Name) This notice is sent to you in accordance with the requirements of the National Traffic and Motor Vehicle Safety Act. A blower motor resistor can fail in several ways; since many are designed in series, if one resistor fails, you loose speeds 1-3. He also told me that he could do a "manual switch" so the ac would work until I had the money for the repair. The Blower motor is pretty basic much like an electric fan that you use in your home. It is responsible for controlling the blower motor’s fan speed. 987 results for blower motor resistor chevrolet cavalier Save blower motor resistor chevrolet cavalier to get e-mail alerts and updates on your eBay Feed. 77364061 FIAT Interchange car heater resistor repair. sooo,,, do you think the fan motor blew the resistor? What do you guys think? get another resistor, and a new fan motor? replace the harness? This sucks! the fan on that high is very tedious, radio has to be loud, but thank goodness, it works, I'm in orlando, FL, its just a little hot here now. Online shopping for Blower Motor Fan Resistors from a great selection at Automotive Store. And I'm trying to find the the blower motor resistor. If the resistor pack was done you would have nothing but "high" which essentially bypasses the resistors and connects the switch directly to the blower motor. If the resistors burn out often, inspect the blower motor. The fuse is what usually blows. PartsSquare Heater Blower Motor Resistor 89019100 Replacement for 2004. I have experienced a failed resistor in another vehicle and the different fan settings never worked again until replacement. This is how I replaced the HVAC blower motor resistor in a 2005 Tacoma. Thanks in advance for the help! Charles. First let me say that this is the 3rd resistor for this truck. [Archive] Blower motor resistor repair?? T1N Talk. This is due to excessive heat cause by the loads the resistor introduces. Presenting blower motor resistor 15094285 available to buy right now on the internet. Blower Resistor Repair; Blower Motor Repair. Order Replacement Brushes On-line [Return to the Cheap Tricks page] Introduction: The Toyota heater - A/C - blower system is fairly simple. In high speed the resistor is bypassed and power is fed to the motor directly from the switch. We'll fast-forward as Don tightens those up. So when the resistor goes open, your only speed is full blast or off. Most heater motors use a basic electrical circuit. Dragging ups the amount of current needed and that excess current will fry various things along the electrical route. This circuit comes complete with a resistor to allow you to control the speed of the heater fan. high speed does not run through the resistor. A new blower motor resistor will cost you around $20 at the dealer. Your Email (required) Your Message. Willcox Corvette provides corvette repair and install help through posts, tech videos, and tech pictures. However, it is important to consider the reason why the Honda CRV blower motor resistor blew out in the first place. Cart; Login / Register; Order Status; 800-825-7128 ext. PARTS AND LABOR. If your blower only operates. So I did a little bit of researching (mainly on this forum and a few other Chrysler pages) and went straight to the dealership. If the resistor pack was done you would have nothing but "high" which essentially bypasses the resistors and connects the switch directly to the blower motor. Online shopping for Blower Motor Fan Resistors from a great selection at Automotive Store. The AC in my 2008 Nissian Sentra stopped working. Replacing the Honda CRV blower motor resistor may be a simple matter of removing the old blown out resistor and fitting in the new one. Testing the Voltage Output of the Blower Switch on the Heater Control Panel. A hose has come loose. Reaostat, (the resistor that is used for a blower motor) Will resist on settings one two and three, but full power on 4, Easy repair as documented in other. It's bad enough to where it won't turn on the blower motor now, and I am afraid that it is going to catch fire at some point. PartsSquare 7 Wire Pigtail Blower Motor Resistor Plug Connector Compatible with CHEVY SILVERADO TAHOE,GMC SIERRA YUKON 99-05 Replacement for PONTIAC FIREBIRD GRAND,BUICK CENTURY 93-05 Harness. A faulty resistor loses power at different positions on the switch. The fan blower switch only works in position 1,2,3, Were is the resistor located and do you have pictures of it. Shop Blower Motor Resistor 15094285 in stock here!. July 26, 2003 Note: The replacement of the blower pictured below was done two years and 40K miles ago. 37-18 Northern Blvd, Long Island City, NY 11101. Confirmed Repair: The tech replaced the resistor and installed a new wiring harness pigtail. "When you're not the biggest, you try harder". My blower motor went out. Always disconnect negative battery terminal. The blower motor resistor in your car is the part that is responsible for pushing air through the vents when using the air conditioner or heater. 52 and $953. A faulty blower motor resistor will usually produce these symptoms that can be identified. PartsSquare Heater Blower Motor Resistor 89019100 Replacement for 2004. Depending on what blower speed is selected from the A/C-Heater control panel, this voltage can range between 0 and 12 volts. Dodge Vehicles with Melted Blower Resistors. While the switch could have been the issue I also had a squealing blower motor and often times you'll burn up a resistor when running a squealing heater fan motor. Does anyone have detailed instructions, pictures, video of how to do this. Registered User. July 26, 2003 Note: The replacement of the blower pictured below was done two years and 40K miles ago. This repair is covered under the Toyota Comprehensive Warranty, as long as the Tacoma vehicle is within 36 months or 36,000 miles of service. Motor Fan Resistor Complete Kit With Wiring Repair Plug Harness. How are blower motor resistor issues diagnosed? The mechanic will perform a series of tests that can lead to the blower motor resistor. Type: Blade Female Terminal. A blower motor resistor is an integral part to your heating and cooling system and its ability to be adjusted to your preference. Replace the capacitor if the voltage does not match. In that case, the blower motor resistor will fail repeatedly. Over time, a blower motor may become noisy as the motor electrical contacts wear. Here are some tips to help you troubleshoot when your dryer isn't working properly, no matter what brand it is, and make some simple repairs. Just remove the bolts and take the back cover off. Best Answer: the blower motor receives a battery feed from the relay. If the motor does run, it will jump when powered up and the fans will spin quite fast. If necessary, the mechanic will replace the heater blower resistor. A new Blower Resistor for these cars can run upwards of $75 to $95 plus shipping depending on where you buy it. The second screw is inside the housing - pull back the rubber sleeve between the blower and the air duct. The resistor module is easy and inexpensive to replace. Willcox Corvette provides corvette repair and install help through posts, tech videos, and tech pictures. Your definitive guide to Car Heater Blower Motor Resistor Replacement. And when one or more of these resistors burn out, you're usually left with only one heater blower motor speed—high. I have five other 240 series volvos, so I fully expect to be replacing another blower in the future. If there is no power indicated on high blower speed, the problem is most likely the switch or the fuse. Average repair cost is $130 at 77,000 miles. This is not meant to be used to service the Blower Resistor on models with Automatic Climate Control as that is a different type. Currently out of stock Please check back soon. 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. Motor Fan Resistor Complete Kit With Wiring Repair Plug Harness. The blower motor resistor is the component directly responsible for controlling the blower motor fan speed. A/C & Heater Blower Motor Resistor for Range Rover Classic 1990 - 1994 Applies To: Item: PRC8010 Fits: Range Rover Classic | '90 - '94. Finding the blower motor resistor should help fix the climate control mechanism. If so I suspect that there is an earth fault on one of the wires connected to either pin 4 or 5 of the resistor. Warranty Standard. Over time, a blower motor may become noisy as the motor electrical contacts wear. The blower motor controls on your vehicle are worth maintaining because they allow you to determine how much air is sent through the blower motor and into the cabin. Locate the blower motor resistor on the passenger side under the dash board. The solution here is to ask an Expert. If OK, see the diagnosis for the blower motor resistor and/or the blower motor relay in this group. Replace the capacitor if the voltage does not match. The blower motor resistor is another one of those small car parts that you never knew existed, but is an important part of the big picture. The motor will eventually fail once the noise has started, but until the vehicle is repaired or the blower motor fails, further use shouldn't cause new problems. Copyright 2019 Standard Motor Products, Inc. Blower Motor Control Module / Resistor Connector Heat & Air Conditioning Repair Manual CHEVROLET 2005 TAHOE 5. no, I would guess blower motor, high resistance in the brushes is requiring more current to get the fan to spin initially, then after spinning you can feed it the lower current. Dodge Vehicles with Melted Blower Resistors. If the motor does run, it will jump when powered up and the fans will spin quite fast. Add to Compare. The heater fan resistor is a common failure point within the heating and air conditioning system. Unplug the wire connection and remove the three small screws holding it in place, then. APDTY 084518 BMR (Blower Motor Resistor) Kit(Fits 1996-2010 Chevy Express 1500, 2500, 3500, and 1996-2010 GMC Savana 1500, 2500, 3500)For the Front Blower,Kit Includes 1 Blower Motor Resistor, 1 Wire Harness, and Instructions(Must Change Out Wire Harness. Extra energy is required to. Blower Resistor Circuit Descriptions. It was very tight going in and now I can't get it out. Worn blower motor causes repeat blower motor resistor failure. The motor may sound fine and blow plenty of air but still be dragging. We're sure this How to Replace a Blower Motor Resistor article will help you get your car back on track!. The 2005 Chevrolet Trailblazer has 22 problems reported for blower fan motor stopped working. How to Install Blower Motor Resistor Connectors. SMP is an aftermarket leader, providing a premium line of engine management products. He also told me that he could do a "manual switch" so the ac would work until I had the money for the repair. The heater motor (otherwise known as a blower motor) usually sits behind the dashboard. Most heater motors use a basic electrical circuit. However, other factors can cause the blower motor resistor to fail prematurely. Forgot your password?. With more than. I finally got around to changing my blower motor resistor block in my truck today. 24-26 CONTROLS TJ BLOWER MOTOR RESISTOR (Continued) … Fetch Here. Blower motor resistor location 5 Answers. Clothes dryers are pretty simple machines that use a fuel source to heat air and a motor and fan to blow it around. Install and connect the new blower motor resistor. HVAC Blower Motor Resistor by Santech®. July 26, 2003 Note: The replacement of the blower pictured below was done two years and 40K miles ago. I am at wits end with this. If your blower only operates. 3L V8 Heat & Air Conditioning Blower Motor Control Module / Resistor. Wire Leads. So I did a little bit of researching (mainly on this forum and a few other Chrysler pages) and went straight to the dealership. A blower motor resistor is an integral part to your heating and cooling system and its ability to be adjusted to your preference. The blower resistor is connected in series with the blower fan.