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Continuity check time just for good measure. Both of these components are located in the heater housing, behind the glove box. 9 product ratings - GENUINE FORD MOTORCRAFT BLOWER MOTOR RESISTOR MODULE W/ CONNECTORS YH-1827. After seeing useful information above, removed resistor near blower motor and cleaned the minor corrosion from the back side. Blower motor does not work on certain settings. Think of these coils like a filament in a light bulb. The resistor module is easy and inexpensive to replace. It's located under the passenger's side dash, mounted near the blower motor. 1 people found this helpful. Swap the high speed relay with another relay with the same part number. If the blower motor resistors’ internal components fail it may cause the blower motor to malfunction, or not function at all on one or more of the settings. Plugging the resistor back in, plugging the motor into the resistor but the motor fails to work. A blower motor resistor controls the fan speed of the blower, so if you have a blower that’s stuck on one speed or doesn’t work on certain settings, it could be the resistor. Do not pull of any balance clips on the blower wheel. The blower motor resistor plays an important part in the luxury provided by BMW as it is intricately related to the functioning of the AC system. Also the ground point behind the passenger side kick panel could be bumming. Blower motor works in high-speed only. It is a white plastic trapezoidal-ish piece that is fastened by two Phillips head screws. There is no power to the blower motor in my 2008 grand Marquis.I hot wired the blower motor to the battery and it works.Is the a fusible link for the power.There is no fuse I can find. A blower motor resistor is an integral part to your heating and cooling system and its ability to be adjusted to your preference. I bench tested the blower and it worked fine. BWD® offers over 700 blower motor resistors as high-quality replacements that match the OE to ensure top performance. With that said, failed blower resistor assemblies don't solve all of the possible failures. ‘HI’ is the only blower speed that doesn't depend on the blower resistor to function. The day after that my blower motor didn't work. This is why at the bottom of the article we include a 2008 F150 blower motor wire diagram. Blower works on slow speeds, but not on high speed. I am having a problem with the blower motor resistor. This diagram shows how the blower motor resistor is connected in a typical car. The resistor block contains three different high resistance coils. Re: Blower motor or resistor (controller) bad? 4 Blower Motor Resistors found. The way this circuit works is all on the ground side. Mark helpful. I removed the blower motor. 2008 Santa Fe - Answered by a verified Hyundai Mechanic We use cookies to give you the best possible experience on our website. I have power from the switch to the blower resistor and from the resistor to the motor. When a resistor coil burns out, you lose that fan speed. The blower motor resistor is what’s responsible for giving you three blower speeds. The first thing you want to do, is you can see there's a connector right here, and, as you follow these wires, there's another connector right back here. Check for bad fuse or bad high speed relay. The air conditioning and heating controls allow you to switch fan speeds — and the blower motor resistor controls that speed once you select it. The motor itself is very low tech. Additional Resources. Step by Step Instructions. If you start at the blower motor, and check resistance in the circuit, you will find the problem … Top. The fuse was blown. Post by kjhiggins » 12 Sep 2010, 04:34. There are a number of things that can render your heater blower motor resistor useless. Once removed, is connect the electrical connectors from the blower motor resistor. The most common symptom of a faulty blower motor resistor is a blower fan that only works on one speed, usually high. From United States +C $20.08 shipping estimate . Brake cleaner worked on the blower wheel. Please narrow the Heater Blower Motor Resistor results by selecting the vehicle. The reduction in blower fan speed is accomplished thru' resistors (inside the blower resistor assembly). How does the heater blower motor resistor work? The blower motor resistor is responsible for powering the blower motor directly. And the resistor is gonna get hot. View related parts. Appreciate it guys!! 6 people found this helpful. Tools & Materials List. I went through a car wash the other day. Motor ran fine. kjhiggins Posts: 38 Joined: 02 Sep 2009, 20:14 Year and Model: 2010 XC70; 2006 S40 Location: Boston. This is true whether you have an AO Smith blower motor, a TYC blower motor or any type. Is my problem the blower motor resistor. Remarkably, the blower works at all speeds now. This will allow you to pull the blower resistor down and disconnect the wires. I then checked the 30amp Batt3 fuse within the engine compartment. In this tutorial I'll show you how to continuity test it with a multimeter in Ohms mode (Ω).NOTE: This tutorial only applies to the 1988 to 1993 vehicles listed in the ‘Applies To:’ box on the right column. i believe it is but want to double check. If the blower motor itself, when it's getting its power, is having a lot of trouble, if the motor itself is tired inside, the brushes aren't doing their job as well, it's gonna put a lot of strain on the resistor. Fits the following Dodge Ram 1500 Years: 2009-2010 | Laramie Crew Cab 2WD, Laramie Crew Cab 4WD, Laramie Quad Cab 2WD, Laramie Quad Cab 4WD, … The blower motor resistor is usually located in or right close to the blower motor Usually you'll notice that the switch feels looser than normal when you use it. Noisy as can be, but works otherwise. It’s then typically installed in the ductwork, near the car blower—either under the dash or under the hood. Onward... ED7. Blower motor works in some speeds, but NOT all speeds. Gently pull the blower resistor down and disconnect the wiring connector. It helps control the speed of the fan that pushes the conditioned air into the cabin. Another common symptom of a faulty blower motor resistor is a a blower motor that does not function on certain settings. Kjhiggins Posts: 38 Joined: 02 Sep 2009, 20:14 Year and Model: 2010 XC70 ; S40... I then checked the 30amp Batt3 fuse within the engine compartment accomplished thru ' resistors ( inside blower! Resistor but the motor left with only one heater blower motor directly malfunctions on ford cars and trucks an Smith. Is all on the blower resistor and cooling system and its ability to be to! Are located in the ductwork, near the car ’ s then installed! 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