Smart car blower motor resistor. Order Smart Fortwo Blower Motor Resistor online today.


Smart car blower motor resistor fuse good. May 18, 2014 · Blower does not run, blower is good, no voltage to resistor pack. It also explains when both the blower motor and the resistor should be serviced. Free Same Day Store Pickup. SMART CAR 453 FORTWO FORFOUR 2015++ 3 SPOKE LEATHER MULTIFUNCTION STEERING WHEEL. Changing SMART FORTWO Blower Motor Resistor: step-by-step manuals Couldn't find an answer to your question in the tutorials? You can ask a question about this replacement on our online forum . Jan 4, 2023 · Using the ground point as your meter’s common, with the blower on, you should be able to measure about 12 volts on the red/black wire in the connector that connects to the fan. Jan 13, 2023 · Hey all, I drive a smart 451 pure and my blower motor stopped working last winter. Blower motor or blower motor resistor has likely gone bad. Is your AC stuck at a single speed? It might be time for a blower motor replacement. What Is A Blower Motor Resistor? In older I changed the heater motor in my smart car. May 9, 2023 · Have you ever faced the problem of your car’s blower motor and resistor not working, even after replacing them? This issue can be frustrating and leave you clueless about the cause and solution. On the RHD 451 you have the polystyrene footwell block in the way along with the SAM unit and the main forward wiring loom going through the bulkhead. Changing SMART ROADSTER Blower Motor Resistor: step-by-step manuals Couldn't find an answer to your question in the tutorials? You can ask a question about this replacement on our online forum . When that happens, you lose that speed. Sep 11, 2025 · By following this guide, you’ll be able to diagnose and replace your blower motor resistor with confidence, restoring proper function to your vehicle’s HVAC system while saving money on professional repairs. SMART CAR 453 FORTWO & FORFOUR 2015+. Jul 22, 2025 · P ART NUMBER: DH883003. One of the most important parts of this system is the blower motor, which regulates the airflow inside the car. Most cars I have worked on use resistors or a transistor to modulate the lower speeds, but when set to full, a relay will turn on and bypass the resistor pack/transistor and supply the blower motor with full battery voltage. It slowly died on me which makes me want to believe that something is either wrong with the resistor or the motor needs cleaned or repaired. May 7, 2011 · The heater blower fans have armature brushes that make electrical contact. Install the new resistor, reconnect the wiring, and test the blower fan at all speed settings. Shop for the best Blower Motor Resistor for your 2009 Smart Fortwo, and you can place your order online and pick up for free at your local O'Reilly Auto Parts. If it’s going out, fixing it should be quick and relatively affordable. This knowledge can save you time and money by avoiding unnecessary trips to the mechanic. In this article, I'll explain what the blower motor resistor is, what it does, and how to tell if it is bad. As you turn on the heater or the AC, the fan starts, and air will start to get out of the vents. This small but important component plays a crucial role in regulating the airflow and temperature inside your vehicle. It is wired directly to the blower resistor and receives power from the SAM 10A fuse #20. I could wiggle the wires going into it, and change the speed of the Feb 12, 2014 · There are several issues with the 451 that can cause the blower motor to stop working. The wiring harness needs to be unplugged from the blower motor resistor in order to bypass a blower Oct 31, 2013 · Take the blower motor out (1/4 turn and pull) there is a single screw on the black case, remove it, the motor and fan should come out of the housing. Blower resistors can burn out. This blower motor is suitable for left-hand drive vehicles. Come join the discussion about performance, modifications, troubleshooting, economy, maintenance, and more! Jul 17, 2018 · The fan switch and blower motor resistor work together to modify the voltage at the blower motor, changing its speed. Mar 13, 2010 · Hmm. I call my local smart center, and a new motor is $287! Some have had switch failure, and some have had the resistor burn out. Nov 10, 2021 · My blower was operating intermittently, and when it did work, I had to have it on high to get any air movement at all. Locate the resistor near the blower motor under the dashboard or glove box. What is the problem with the blower motor, total failure of motor due to relays or fuse failure, or the more common fault on the 451 of blower motor not working, then go over a bump or pothole and motor starts up again. Our goal in this article is to provide step-by-step instructions on how to bypass blower motor resistor in order to get it working again. In this article, we will explore the possible causes of replaced blower motor and resistor still not working issue and offer solutions to help you fix it. How to fix a fan that doesn't work on low. 5VDC 2- Check continuity on the resistor pack = Looks good to me (no open circuit) 3 Are you tired of a weak or malfunctioning blower motor resistor in your car? Don't sweat it! In this video, we'll show you how to replace your car's blower m Jan 4, 2025 · Blower fan motor resistor replacement Jump to Latest 276 views 2 replies 3 participants last post by nodes2k Jan 11, 2025 BBaird Discussion starter Nov 7, 2023 · For comfort and safety when driving, a working heating, ventilation, and air conditioning (HVAC) system is necessary. Jul 26, 2025 · Learn what a car's blower motor does, how to recognize AC failure symptoms, and how to DIY replace the automotive components in this step-by-step guide. The circuit return for the fan circuit passes through the blue wire in the fan connector, then back to connector 4 on the resistor unit and to pin 1 on the blower switch. Jul 8, 2023 · Troubleshooting blower motor and resistor issues in your vehicle? Learn how to diagnose and fix the problem to restore airflow. Sep 5, 2025 · This guide provides an in-depth explanation of the function, causes of failure, testing, and replacement of blower motor resistors (also known as heater blower motor resistors or blower motor control modules). If anyone has any tips for diagnosing this issue Changing SMART #1 Blower Motor Resistor: step-by-step manuals Couldn't find an answer to your question in the tutorials? You can ask a question about this replacement on our online forum . Jan 7, 2015 · It takes only a couple of minutes to change the blower motor. How do I get to the resistor? It is a 2011 smart 42. Nov 18, 2022 · Hope you guys can help me with my issue My heater blower stop working at any speed. It still doesn't work. 【Work Performance】The blower motor serves as the main electric motor that is responsible for blowing air through the vents. May 20, 2019 · 【Compatible Car Models】This Heater Blower Motor Replacement for Smart Fortwo 451 [2007-2016], Smart Fortwo Cabrio 451 [2007-2018]. com: Behr Hella Service Blower Motor: Automotive Used: Smart Car Fortwo Passion Pure 2008 2014 AC Blower Motor Fan Part 4518301600 | eBay Jun 20, 2023 · The Smart Car blower motor resistor is located on the left-hand side under the dash, behind the cabin filter hatch. It’s possible yours are wearing down to the point of needing replacement. Here is a list of what I did so far 1- Check fuse = OK (try another one also) 2- Check voltage when blower motor disconnect = 12. Inspect for corrosion or burnt spots indicating failure. Regularly check the blower motor Apr 6, 2023 · The blower motor resistor is an essential component of a vehicle's HVAC (Heating, Ventilation, and Air Conditioning) system. Follow step-by-step instructions, safety tips, and model-specific guidance for success. New: Amazon. Shop for the best Blower Motor for your 2008 Smart Fortwo, and you can place your order online and pick up for free at your local O'Reilly Auto Parts. Check out free battery charging and engine diagnostic testing while you are in store. Using some emery cloth clean the copper contacts where the brushes touch. The heater blower motor is a bit of a pain to get to. Went to evilution site for a solution and found the resistor coil repair. Order Smart Fortwo Blower Motor Resistor online today. Moreover, it empowers you to take control of your vehicle’s maintenance and understand the inner In today's episode we are looking at removing the #HVAC #blower #motor from a #smart #451 and taking it apart to attempt a #repair. I checked the fuse with a meter and removed and replaced it anyways. Where is blower relay and how to get to blower dash switch? Thanks:| Free and detailed step-by-step manuals with illustrations and video tutorials on how to replace SMART Blower Motor Resistor will tell you how to carry out part replacement and car repair yourself. The blower motor resistor is a part that controls the blower motor's speed. smart Car of America has several threads, including fixes for the problem. If you have a friend that works on cars he would probably do it for the cost of lunch. Nov 13, 2023 · Blower Motor Resistor Have you been having problems with the blower motor on your car? You may need to bypass the blower motor resistor if this is the case. Ive been fine with it but this winter is driving me crazy with the rain and foggy windows and I need to get it fixed. Jun 23, 2025 · Understanding how to test a blower motor resistor with a multimeter is an essential skill for any car owner or DIY enthusiast who wants to troubleshoot and repair their vehicle’s climate control system. However, if the blower motor is old and worn out, it can draw too much current and that results in repeat blower motor resistor failures. We also talk about the function and location of the blower motor resistor before we reveal how much it may cost to replace it. The Mar 9, 2021 · Here you are. Learn how to safely replace a blower motor resistor in your car. Unfortunately the #DIY re. Smart 451 ForTwo. The blower motor circulates air from outside to inside the car, keeping the cabin comfortable. If the latter I have your solution and its not the relays but the motor that is at fault. If your interior AC/ Heat fan is not working on low, or one of the fan settings isnt working, then you probably need to replace the blower motor resistor. Sounded like a good and easy solution and worth a try before paying the dealer's mechanics. Smart 450 ForTwo. The functioning of the HVAC system may be considerably impacted if this resistor fails. Another possibility is a loose wire or connection on the motor or speed resistor units, or a faulty resistor pack itself. I mounted mine in a vise with just enough force to hold it, jump it so the motor runs and touch the cloth to the contacts. 2 days ago · In this guide, we discuss the most common bad blower motor resistor symptoms and show you how to test it. The resistors are arranged in series to reduce the voltage in steps, depending on where in the series you apply power. I traced my to the motor itself. Oct 16, 2009 · A forum community dedicated to all Smart Car owners and enthusiasts. Learn how to replace your blower motor, the warning signs, and its cost. Are you mechanically inclined at all? To replace the blower motor resistor, first disconnect the battery. Remove the electrical connector and screws securing the resistor. Jan 14, 2025 · The most common reasons a Smart Fortwo heater isn't working are a broken heater blower motor, a problem with the thermostat, or a failed heater blower motor resistor. In Jan 28, 2017 · What is a blower motor resistor? Heating systems with just 3 or 4 speeds use a blower motor resistor along with the speed switch to regulate the motor speed. BLOWER MOTOR HEATER RESISTOR FOR FAN. So you may have high speed, but no lower speeds Changing SMART FORFOUR Blower Motor Resistor: step-by-step manuals Couldn't find an answer to your question in the tutorials? You can ask a question about this replacement on our online forum . No luck. Jan 26, 2012 · My blower stopped working on any setting. The blower motor resistor is an important component of the heating and cooling system of your car. rad75 xsq 4m4 ovo9 ks cw7g y6j ffsnco nnqhiq ij