For example, if, on manual climate control equipped cars, the fan only runs on the highest setting the blower motor resistor pack is the cause. Replacement of the resistor pack is relatively simple. Cars equipped with automatic climate control like my 98 328 are a bit more problematic to troubleshoot but there are usually a few common failure A blower motor resistor controls the speed of the blower motor and is crucial to provide air flow in your vehicle's cabin. When you turn on or adjust your heating or cooling system and fan speed, the blower motor resistor adjusts the amount of electrical resistance to control the power sent to your blower motor. The most common causes for AC fan blower motor not working in Honda CR-V are blown fuse, bad relay, resistor or control module malfunction and faulty blower motor. However, a bad electrical connector or broken wire, or a defect in the climate control unit can also cause the blower motor to stop working. 1. Blown fuse. Reasons a Mitsubishi Outlander Heater Isn't Working. Mitsubishi Outlander. The most common reasons a Mitsubishi Outlander heater isn't working are a broken heater blower motor, a problem with the thermostat, or a failed heater blower motor resistor. 0 %. 31 % of the time it's the. BMW Blowre Motor Resistor Replace. This video is a how to replace the blower motor resistor on a 2001 BMW 330i. This procedure works for most BMW series with Duralast Blower Motor Resistor RB1020. Part # RB1020. SKU # 416261. Limited-Lifetime Warranty. Check if this fits your BMW 325i. $10199. Noisy, Squeaky, Rattling heater motor, How to remove and repair.The motor had been squeaking for a while, but the noise slowly got worse.A step by step guide Figure 2 On our 1997 BMW 540 fuse # 28 (green arrow) is the power supply for the blower motor. You should unplug the fuse and see if it is blown. You are going to need to look at a wiring diagram for your specific car to make sure you are checking the right fuse. ONLY ONE SPEED FROM BLOWER MOTOR. One of the most common symptoms of trouble with the blower motor resistor is when the fan gets stuck in one setting. Because the blower motor resistor adjusts the fan speed, the inability to change it can point to problems. If the resistor fails or shorts, the blower motor might remain stuck at a particular Reasons a Nissan Juke Heater Isn't Working. Nissan Juke. The most common reasons a Nissan Juke heater isn't working are a broken heater blower motor, a problem with the thermostat, or a failed heater blower motor resistor. 0 %. 31 % of the time it's the. wUrdI.