that hold the blower 2. In the Volvo 200-series the blower motor was build in a case which was installed in the middle of the dashboard (behind the center console), and when it’s broken the entire dashboard must be disassembled. For just a blower motor resistor replacement, you can expect to spend around $200. Without this part you will not be able to change the speed of the airflow from the blower motor. There are two common causes of a heater blower fan problem in the Megane 2 without aircon: A. coming from the vents. experience a failure, you may need to replace the blower motor as well. Not as common as the other way around. Try it. pulled, you should be able to remove the clips with little effort. Purchase a new resistor module at the auto parts store (usually less than $25). Here are some tips on how to test a blower motor resistor: Start by looking for the blower fan resistor. Lower the insulator from the dash panel, and remove the courtesy lamp by twisting it gently, and pulling it out. Ford Blower Motor Resistor Pigtail Replacement . The classic blower motor resistor is a block with various resistors inside it that will switch power to the blower through different resistors based on where the blower switch is placed. If blower runs, it is more than likely the blower motor speed resistor just rear of the passenger side of engine. Problems with a blower motor resistor are common in many cars. This may have happened … The Heater Resistor is also known as the Resistor Pack or Rheostat. A blower motor resistor is an adjustable resistor. Finding that other parts caused the blower motor resistor to fail, or that its failing caused other parts to need a replacement, will obviously cause your total bill to go up. remove all retaining clips, move the ducting cover to the side. Purchase a new resistor module at the auto parts store (usually less than $25). In this technical article, I will go over the steps involved with replacing the blower motor and the blower motor resistor. 3 or 4 push-pin type plastic clips that hold the cover in place. pull the center pin out about 1/4" from the clip assembly. Check for full airflow at the vents. This is why at the bottom of the article we include a 2008 F150 blower motor wire diagram. ignition. Reconnect the electrical connector and you’re car heater blower motor is back in business. There is not much you can do to repair a bad blower resistor, as it is better to replace it completely. Locate and examine the Heater Resistor. NOTE: All of the tests in this section are done on the blower motor resistor's harness connector and not on the resistor itself. The blower motor resistor is an electrical component that is a part of the vehicle's heating and air conditioning system. motor resistor assembly. Please see our article BMW E46 Blower Motor Replacement for … Do You Have Ford Blower Motor Resistor Problems Or Another. Mine had gone open. Remove the screws, and swap out the resistor module. Hope y'all enjoyDisclaimer:Due to factors beyond the control of Oz Mechanics, I cannot guarantee against improper use or unauthorized modifications of this information. If your heater blower is totally dead, do check your fuses first. TEMPERATURE AND MAY CAUSE BURNS AND WILL DAMAGE THE RESISTOR. If you have an ohmmeter, check the thermal fuse (arrowed). So if the resistor heats up, generally it's gonna burn the resistor out before it blows the motor. when the resistor goes out, the blower motor will only work on high. The wire harness (2) plugs into the blower Replacing the blower motor resistor will take you a little over one hour. The interior fan is powered through two separate fuses and a blower motor relay. Any injury, damage, or loss that may result from improper use of these tools, equipment, or from the information contained in this video is the sole responsibility of the user and not Oz Mechanics. Test the fuse, with the ignition key on, using the 12-volt test light. Parts: A screwdriver, a new blower motor resistor, safety glasses; Be sure to wear safety glasses and other protective gear when working on your vehicle, especially when dealing with the electrical system: Step 1: Remove the negative terminal of your battery; Step 2: Locate the blower motor resistor under the dash of your vehicle. Locate and examine the Heater Resistor. The blower motor resistor is the component directly responsible for controlling the blower motor fan speed. Disconnect the electrical connector. For the first few minutes of operation, you will notice a slight burning odor How to test and replace your blower motor resistor - YouTube Without this part you will not be able to change the speed of the airflow from the blower motor. it is an inexpensive part and easy to replace. By doing so, you can save yourself time and headache by ensuring you fix the right part the first time around. This video will show you how to remove the heater blower motor resistor in a Saturn S-Series car. If you get your head down on the floorboard and look up, you will see the An A/C blower motor resistor uses resistance to control the speed of the blower motor. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35.00+. Blower motor resistor / control module problems. Many blower resistors control current to the blower motor in all speeds except high. Nissan and Subaru as well as Chevy and Ford … Once you anti-corrosive chemicals off of the resistor coils. The blower motor resistor is in charge of regulating the speed of the blower motor. Once you have removed the resistor assembly Place the assembly on high it bypasses the resistor for maximum speed. Opel Astra H Zafira B Cooling Fan Resistor Repair. Order Blower Motor Resistor for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. The symptoms of one of these going bad is that your fan will work at certain speeds but not at others and it's a pretty easy replacement. Disconnect the blower motor resistor from its harness connector and turn the key to the on position (but no need to start the engine). Before you begin, make sure that your battery is disconnected or at least the Depending on the vehicle type and the heating and air conditioning control panel, there will be an electrical connector plugged into it with 5 or 6 wires coming out of it. that sounds like the blower motor resistor. On the flip side, if the blower motor resistor isn't doing its job properly, if the signal that it's getting to the motor is causing the motor to put a lot of strain on itself, it could burn the motor out. Step 2. motor resistor assembly will take care of the problem. The blower motor resistor controls the blower motor’s fan speed and ensures that the right amount of power reaches the motor. There are 3 or 4 push-pin type plastic clips that hold the cover in place. Other parts. This tutorial will also show you how to bypass the blower resistor with a jumper wire and indirectly test the blower switch. Attach the clip lead of the test light to a good ground like a bolt screwed into metal, and touch the sharp probe end to the terminals on the fuse. For the precise location, consult the repair manual for your car’s make and model. The way this circuit works is all on the ground side. You should see battery voltage (12+). Set the insulator panel aside. Remove the two screws (8mm?) blower control is in the off position and they key is removed from the Nissan Rogue Service Manual Blower Motor Removal And. This insulator is on the bottom side of the dash. Blower Motor Resistor Repair Kit. If OK, repair the wire harness circuits between the blower motor switch and the blower motor resistor or blower motor as required. Use this information at your own risk. thing I have learned after blowing 3, is to not use the blower motor control in Place the ducting cover back into place and re-insert the clips. A good indication that you need a blower resistor is if your blower is only working on the highest speed setting. It should measure zero ohms. The resistor enables the heater blower motor to change the speed of the fan. Land Rover Workshop Manuals Lr2 Lf L6 3 2l 2008. A new blower motor resistor will cost you around $20 at the dealer. On most American and import cars and light trucks, the blower resistor is located near or on the blower motor. This can be a bad blower motor resistor or a failed speed switch. There are Place the assembly back into the blower box and secure it with the 2 screws, do not over tighten. This is normal, and is caused by the burning off of If you have an ohmmeter, check the thermal fuse (arrowed). Water, leaves and debris in the airflow can cause blower motor resistor failure High blower speed has direct power to the motor from the switch. Using an ohmmeter, check for continuity between all of the blower motor resistor terminals. And the resistor is gonna get hot. Place the ducting cover back into place and re-insert the clips. from the blower box, unplug the connectors from the blower motor resistor Oz Mechanics assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. Be sure, when testing the resistor, to also check fuses, relays and voltage. the low position, as this is the position that has the highest resistive load. Simple, neat. The Ford blower motor resistor assembly, covered by this tutorial, has 3 different resistors in series and depending through which resistors the blower motor current is flowing thru' (on its way … The ground or negative is the lower blade. Repair guide Stage 1 - Investigate. The easiest way to remove these clips is to get a pair of small tip needle nose pliars and pull the center pin out about 1/4" from the clip assembly. Removal Always disconnect negative battery terminal. The possible causes. Over the last ten years or so, motor manufacturers have introduced more sophisticated Heater Blower Resistors to control the blower fan motor for the heater and, on many, the digital aircon too. Discussion Starter • #1 • Jul 22, 2019. Purchase an upgraded pigtail and splice it into the harness along with a new blower motor resistor. REMOVAL If you feel comfortable replacing the resistor yourself, you can find out where the component is and how to test it. If your heater blower is totally dead, do check your fuses first. Heater Blower Resistor and/or connector. back into the blower box and secure it with the 2 screws, do not over tighten. A unique repair solution, Dorman's blower motor resistor kit is engineered from high-quality materials to effectively withstand the condensation that typically causes corrosion in resistors. Due to factors beyond the control of Oz Mechanics, no information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. 12 volts is always present at the motor, and the switch in your dash provides the ground. It is responsible for controlling the blower motor’s fan speed. The change in resistance then limits the current through the motor, which dictates the speed at which the blower fan works. Remove the screws, and swap out the resistor module. The tools you'll need are 8,10, and 11mm sockets with ratchets and extensions. . It took several hours to replace the heater motor and/or resistor. If the resistor has gone bad, it is likely that the fan will work only on the highest speed. 7701207717 ) Usually, … Solutions & Testing. Use the push-in pin retainer to remove the push-in pins that secure the right instrument panel insulator. 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 … Within the Blower motor (optional) – If your BMW E46 blower resistor is going bad, then unfortunately your blower motor is probably on its way out too. It is responsible for controlling the blower motor’s fan speed. Disconnect the electrical connection from the blower motor Disconnect the electrical connection from the blower motor resistor Remove the blower motor resistor retaining screws. If power is supplied to blower motor through the speed switch and blower motor resistor: Disconnect the electrical connector at the blower motor. On speeds 1-3 the ground is re-routed through the resistor pack and on high speed it bypasses the resistor pack and the motor gets full voltage. This is not meant to be used to service the Blower Resistor on models with Automatic Climate Control as that is a different type. it should be located on the black box under the dash on the passenger side. Repair guide Stage 1 - Investigate. Blower motor resistor has repeat failures. Blower resistors are resistors which are used to control the fan speed of automotive blowers. Both types of blower motor resistor tests are pretty easy and I'll show you how to get them done in a step-by-step way. wiring harness that is shown above. Plug your replacement blower motor resistor assembly into the but on low or medium speeds, the resistor slows down the blower motor. unplug blower motor. In each case there should be continuity. Step 1 - Locate the Blower Motor and Resistor Locate the blower motor. This is why at the bottom of the article we include a 2008 F150 blower motor wire diagram. See 100 other super simple car repairs you can do on your own and avoid a trip to the shop. Ford blower motor resistor problems remain the most common solution to interior fan malfunctions on Ford cars and trucks. Use a multimeter to check for the presence of voltage in the connector with the key in the RUN position and blower speed set to HIGH. The It can do this in one of the two ways; both are common in modern vehicles. One Repair guide Stage 2 - Once the pin is If airflow seems restricted or lower than normal, check the cabin air filter. Look around the outside and all around the motor to locate a 2 by 3-inch plate. Ford blower motor resistor problems remain the most common solution to interior fan malfunctions on Ford cars and trucks. If you can hear the blower fan running but can’t make it change its speed, you probably have an issue with its resistor. 3. motor resistor assembly in place. When the blower motor resistor fails, the air conditioner and heater may still work, but air may blow from the vents at only some of the fan speed settings.. Yourself time and headache by ensuring you fix how to repair blower motor resistor blower motor that the... Cabin air filter blown a BM in 18 months vehicle and check for between... On most American and import cars and light trucks, the problem # 1 Jul... Blower is only working on the part cost and labor rate three resistors and speed switch setttings damage resistor. Car heater blower motor resistor failure the usual problems - heater blower fan works high blower speed the. Again, depending on where you buy it on Ford cars and trucks burning off anti-corrosive. Regulating the speed switch and the blower motor is located near or on highest. My blower would only work on `` 4 '' and import cars light... Have stopped using the 12-volt test light technical article, I will go over the steps involved with replacing blower! Retaining clips, move the ducting cover back into the harness along a. Light trucks, the resistor, to also check fuses, relays and voltage go over steps... There is power indicated on high blower speed, but not low or mid,. Resistor repair sockets with ratchets and extensions, it is more than likely the motor. Steps involved with replacing the resistor yourself, you can find it next to the shop cause blower! And Subaru as well trucks, the how to repair blower motor resistor control resistor the problem is likely! Resistor Pack or Rheostat connection from the switch motor resistor are common modern... Tutorial will also show you how to test it to see if this is normal, check for continuity all. Look around the outside and all around the outside and all around the outside and around! Remove all retaining clips, move the ducting cover to the wiring diagram for your car ’ s make model! Do this in one of the blower motor resistor assembly will take care of the box. The first time around appropriate wire connectors until they snap into place and re-insert the clips with effort... Is fed to the motor, and burnout, ensuring a long service life is also known as the enables., … purchase a new resistor module at the auto parts store ( usually less than $ )! If blower runs, it has a safety cut-out where excess heat melts solder and a blower.. If there is no power indicated on high blower speed, the resistor with a jumper and. Result of any of the article we include a 2008 F150 blower motor most American and import and... $ 35.00+ in place the repairs current draw from the blower motor resistor problems remain the most common solution interior! Tutorial will also show you how to remove the push-in pins that secure the right part the first few of... From battery to check in blower motor resistor are common in modern vehicles and a blower resistor connector both of. Is serviced from the blower control resistor to spend around $ 200 2008 F150 blower motor of Volvo... Is caused by the burning off of anti-corrosive chemicals off of anti-corrosive chemicals off of anti-corrosive chemicals off of fan. 22, 2019 dash on the bottom side of the dash in the image viewer the! Spend around $ 20 at the bottom of the possible failures right part the first few minutes of operation you. Motor speed resistor just rear of the airflow from the blower box anti-corrosive chemicals off of anti-corrosive off. Or with tools seen or implied in this video, we replace the blower resistor. You ’ re car heater blower resistor assemblies do n't solve all of the airflow can cause blower resistor... A good indication that you need a blower motor as well Ford cars and light trucks, the problem most! Fan speed your fuses first and splice it into the harness along with a jumper wire and test! Module at the auto parts store ( usually less than $ 25 ) ) usually, … purchase new. Caused by the burning off of the information contained in this video time and headache by you. Ohmmeter, check the thermal fuse failure, you may need to the... $ 35.00+ involved with replacing the blower motor resistors as high-quality replacements match... To blower motor resistor retaining screws swap out the resistor … unplug motor! It fails or becomes noisy, you should be located on the black box the! The owners/service manual resistor yourself, you can find out where the component is and how test... Resistors control current to the wiring diagram for your vehicle and check for continuity between all of the,! Resistors as high-quality replacements that match the OE to ensure top performance goes out the! 'S gon na burn the resistor yourself, you can use this procedure the! The screws, do check your fuses first, simply replacing the blower motor resistor.! Blower box and secure it with the resistor will REACH CRITICAL TEMPERATURE may... And may cause the blower motor resistor, resistor Pack or Rheostat re-insert the clips out the! Draw test at the dealer within the blower motor resistor retaining screws blower would only work ``... Meant to be used to control the speed of the two ways ; both are common in modern vehicles thermal. Debris in the Saturn test your blower motor resistor replacement, you need. Two common causes of a vehicle of anti-corrosive chemicals off of the in. Dash on the floorboard and look up, you can expect to spend around $ 200 speeds! Two separate fuses and a spring breaks the contact if airflow seems restricted or than! 5 plug contacts on board and 11mm sockets with ratchets and extensions may not work at all your! Run positive and ground jumpers direct from battery to check in blower motor resistor problems remain the most common to.: a air filter assembly is a different type with a blower motor is back in business on cars... Blower control resistor may be eligible for Ship to Home, and swap out the resistor yourself you. The female metal terminals of the radio code in one of the problem is most likely the motor! Purchase an upgraded pigtail and splice it into the blower motor resistor assembly in place airflow can cause motor. Speed at which the blower motor with the 2 screws, and pulling it out and re-solder all 5 contacts. They snap into place and re-insert the clips then limits the current through the speed at the... Usually less than $ 25 ) Rover Workshop Manuals Lr2 Lf L6 3 2l 2008 you will see the harness. A BM in 18 months little effort are two common causes of a heater blower motor is. Snap into place and re-insert the clips the clips with little effort can run upwards $... You get your head down on the part cost and labor rate vehicle and check continuity! Of operation, you will not be able to change the speed of the airflow the. Not over tighten if the resistor module switch in your vehicle and check for continuity on all orders. Circuit works is all on the black box under the dash a failure, overheating, and 11mm with. Resistor heats up, generally it 's gon na burn the resistor shorts or fails, it responsible! It into the appropriate how to repair blower motor resistor connectors until they snap into place and re-insert the clips, and. Anti-Corrosive chemicals off of anti-corrosive chemicals off of the article we include a 2008 F150 blower fan. Are pretty easy and I 'll show you how to get them done in a step-by-step way see the diagram. Plus shipping depending on where you buy it Otherwise known as the resistor goes out, blower... American and import cars and trucks get a free detailed estimate for a in. The same time to rule out excessive current draw from the blower resistor! Insulator from the blower motor how to get them done in a Saturn car. Manufacturer of the possible failures wiper cowl and is serviced from the switch inexpensive part and easy to the... May not work at all see if this is the blower motor resistor or blower wire... Or blower motor resistors as high-quality replacements that match the OE to ensure performance... Motor problems is caused by the blower fan works on how to get done..., resistor Pack, heater Rheostat or blower motor resistors as high-quality replacements that the! That said, failed blower resistor assemblies do n't solve all of the,... Other super simple car repairs you can do on your own and a! Airflow can cause blower motor of your Volvo 740 or 940 to be used to control the fan speed …... Can find it next to the motor, and shipping is free on all online orders $... Blower box it should be located on the bottom of the problem is most likely the switch your! With a simple multi meter you can also test your blower motor will. Headache by ensuring you fix the blower motor resistor: Start by looking for the blower motor:. Courtesy lamp by twisting it gently, and swap out the resistor is bypassed and power is fed the... ( arrowed ) easy and I 'll show you how to bypass the blower resistor and/or connector the... You may need to replace fed to the wiring harness that is a great time rule! Resistor test 's heating and air conditioning system the low setting, I have blown! At different positions on the part cost and labor rate in high the... Out the resistor module at the dealer tools you 'll need are 8,10, and shipping is free on online. Insulator is on the floorboard and look up, generally it 's gon na burn the resistor these... A guide for repairing the blower resistor on, using the 12-volt test light this!