Equip cars, trucks & SUVs with 2004 Ford F150 Blower Motor Resistor from AutoZone. Full blast, or no blower at all. Your purchase helps support my work in bringing you real diagnostic testing information to help you solve the problem on your vehicle. Get Yours Today! Don't worry, they're pretty easy to do and in the test steps below, I'll explain what two circuits should have continuity. This is why at the bottom of the article we include a 2008 F150 blower motor wire diagram. NOTE: Don't have a multimeter and need to buy one? GM  |   I leave dental floss in the kitchen and watch the roaches hang themselves." Puedes encontrar este tutorial en Español aquí: Cómo Probar La Resistencia Del Soplador (1992-1994 3.0L Ford Ranger) (en: autotecnico-online.com). This is no cause for concern since the circuit descriptions are the same for all of the Ford vehicles covered by this repair tutorial. The average cost for a Ford Edge blower motor resistor replacement is between $96 and $172. Insert a screwdriver approximately 0.2 inch (5mm) under the edge of the resistor assembly to disengage it from the evaporator housing. To further help you in diagnosing the blower resistor, you'll see the specific resistance values I got testing a good working blower motor resistor here: Blower Resistor Continuity Specification Tables. Isuzu  |   All Rights Reserved. 3. Inspect the resistor visually. How To Test The Blower Motor Switch (Ford 4.6L, 5.4L). 4. Do NOT follow this link or you will be banned from the site! The user chooses a fan speed by selecting a speed which then connects one of the resistors in the blower resistor pack. In high speed the resistor is bypassed and power is fed to the motor directly from the switch. Equip cars, trucks & SUVs with 2007 Ford Ranger Blower Motor Resistor from AutoZone. Here's the breakdown: The one blower motor speed that doesn't depend on the blower motor resistor assembly is HI since the blower motor switch accomplishes this speed by completely bypassing the blower motor resistor assembly. This simply involves testing the resistance of the resistor across all of its metal terminals with a multimeter in Ohms mode. Your multimeter should register a resistance of about 0.9 to 1.4 Ohms ( Ω). Here at Advance Auto Parts, we work with only top reliable Blower Motor Resistor product and part brands so you can shop with complete confidence. We have the best products at the right price. Nissan  |   The blower resistor is normally cooled by the air flowing across it from the blower motor spinning. Suzuki  |   Saturday, December 25th, 2010 AT 8:12 PM. But, my suggestion to you is to perform the next test if you're still having blower motor fan issues. NOTE: If continuity DOES NOT exist between 2 terminals, your multimeter will display the letters OL (Open Loop). 2.00/ 5.0 4. IMPORTANT: There's a good chance that you won't see the exact same resistance values I've listed above (on your multimeter). The blower resistor is connected in series with the blower fan. Testing your Ford vehicle's blower motor resistor to see if it's fried (or not), can be done with a set of simple multimeter continuity tests. Terms of Use There's a good chance that you'll need to remove it from its place to easily test its continuity. Check for continuity across two terminals at a time. You can find the blower motor test here: How To Test The Blower Motor (1992-1994 3.0L Ranger). The resistor … An A/C blower motor resistor uses resistance to control the speed of the blower motor. Honda  |   Visually inspect the blower motor resistor block and connector for burn damage and severe corrosion. An old wornout blower motor that refuses to spin will draw massive amounts of power and can overheat a blower resistor very quickly. We have the best products at the right price. 1995 Ford F150-F350 PCM Pin Out Chart (4.9L California Only), 1994-1995 Ford F150-F350 PCM Pin Out Chart (4.9L Only), 1992-1993 F150-F350 Fuel Pump Circuit Tests (Ford 4.9L, 5.0L, 5.8L), “Why do they call it rush hour when nothing moves?”Robin Williams, Home  |   These resistance tests are also known as continuity tests and are done with your multimeter in Ohms mode (Ω). How To Test The Blower Motor Resistor (1992-1994 3.0L Ranger), TEST 1: Resistance Testing The Blower Motor Resistor, Blower Resistor Continuity Specification Tables, Cómo Probar La Resistencia Del Soplador (1992-1994 3.0L Ford Ranger). Yesterday the A/C just stopped. Rodney Dangerfield, Home  |   So we picked up a blower motor switch, thinking it was going to be simple. Diagnosing Blower Problems – No settings work at all: First check the fuse and all connections. Tools  |   Ford Contour Blower Motor Resistor Customer Reviews. It is responsible for controlling the blower motor’s fan speed. This means that the current running through the blower motor, and thus is speed is controlled by the resistor value. A bad blower motor will often take out the blower resistor when it fails. Set your multimeter to Ohms mode (Ω). Your purchase helps support my work in bringing you real diagnostic testing information to help you solve the problem! Disconnect the resistor. This means two things: 1) I can't rely on the local Ford dealer, who has no Flex training or manuals, and 2) I really need air conditioning. The cool thing is that you can check the integrity of each resistor and the state of the thermal fuse with a multimeter and that's how I'll show you how to test it in this tutorial. In this tutorial, I'll show you how to get it done in a step-by-step way. Ford blower motor resistor problems remain the most common solution to interior fan malfunctions on Ford cars and trucks. As an Amazon Associate, I may earn a small commission from qualifying purchases from the Amazon product links from this website. In case you need it, to further help you diagnose a blower resistor problem, you can find the blower system wiring diagram here: 1992-1994 3.0L Ranger Blower Motor Circuit Diagram. Blower motor resistor has repeat failures. Disconnect the blower motor resistor from its connector and remove it from its location. Chrysler  |   Visually inspect the condition of the blower resistor's coils and it's electrical connector. Ford F150 Truck with Automatic Temperature Control Blower Motor Resistor: 2004-2007: Ford: Freestar: Ford Freestar with Automatic Temperature Control Blower Motor Resistor ... To confirm that this item fits your vehicle, use the above "Check Vehicle Fit" option. Probe terminals 4 and 1 with your multimeter test leads (see image 2 of 4 in the image viewer). 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997. If there is no power indicated on high blower speed, the problem is most likely the switch or the fuse. Bypass it with 12 volts to the blower. CASE 2: All circuits tested had continuity where indicated in the test steps. have the same problem? There's a good chance that you'll need to remove it from its place to easily test its continuity. The blower motor resistor for your Ford Escape controls the blower motor's speed. Place a voltmeter across the two pins. If it works, it should blow on high. HVAC Blower Motor Resistor Fits Ford Expedition, Escape, F150, F250, F350 Super Duty, Mustang, Lincoln Mark LT, Mercury Mariner Replaces # 3F2Z-18591-AA, … To get our Ford Ranger's blower resistor diagnostic on the road, we're gonna' test its continuity. © 2011-2020 Abraham Torres-Arredondo This is the correct test result and tells you that the blower resistor is OK (not defective). Copyright © 2009-2020 Abraham Torres-Arredondo All Rights Reserved. The blower motor resistor is an electrical component that is a part of the vehicle's heating and air conditioning system. A good indication that you need a blower resistor is if your blower is only working on the highest speed setting. When the control knob on the dash is turned to produce an increase or decrease in air flowing into the cabin, the blower motor resistor adjusts the power sent to the blower motor. Check for full airflow at the vents. Blower motor resistor location 7 Answers. Do NOT follow this link or you will be banned from the site! Check out my recommendations here: Buying A Digital Multimeter For Automotive Diagnostic Testing. How do you test the blower motor resistor in a 2001 ford focus se? With that said, failed blower resistor assemblies don't solve all of the possible failures. Do you. Yes. Disclaimer. Basics Of Troubleshooting The Blower Control Resistor. Compared to the regular Bronco or the optional Sasquatch Package, the test versions appeared taller. I have a 2014 Ford Explorer limited edition. This is good and is the correct and expected test result that tells you that the blower motor resistor is OK and not the cause of the blower motor speed problem. Check out my recommendation: Buying A Digital Multimeter For Automotive Diagnostic Testing (found at: easyautodiagnostics.com). Test for power at all the blower speeds by moving the blower speed switch through all positions. CASE 2: Continuity DOES NOT exist between all terminals. If continuity is not present where indicated in the test steps above then this confirms that the blower motor resistor is bad and needs to be replaced. Let's take a look at what your test results mean: CASE 1: One or more of the resistors you tested DID NOT have continuity. Decreased airflow causes the blower motor resistor to overheat and fail. This material may not be reproduced without the author’s consent. Continuity check time just for good measure. The important thing is for your multimeter to register continuity in the form a resistance value. And I'm trying to find the the blower motor resistor. Jun 10, 2019. If this does not help, let me know, Thank you, Dan If the blower resistor block and connector have any heat damage (in other words: burns or are melted), you can stop here and conclude they're bad and need to be replaced. This test result tells you that the blower resistor is defective and needs to be replaced. Eventually, this heat will cause the blower resistor to fail and when it does, you'll usually see one of the following symptoms: The cool thing is that testing it is a pretty simple affair on the 1992, 1993, and 1994 3.0L Ford Ranger. Repeat the tests just to make sure of your test results. This is because this particular blower motor resistor is used in several models from 1992 to 2006. These resistance tests are also known as continuity tests and are done with your multimeter in Ohms mode (Ω). HI blower speed bypasses the blower resistor. If it’s good, check for debris on the evaporator or heater. There is a video on the net on how to test the resistor, but you need a multi-meter to check. Misc Index  |   Testing the blower resistor involves testing its continuity (with a multimeter in Ohms mode) and visually checking that its resistance coils are not damaged or burned out. VW  |   Unplug the connector from the blower motor resistor assembly. 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Positions on the highest speed setting see if there is a video on the net on how to get Ford... Of its metal terminals with a multimeter or need to upgrade yours on most American import! In the little African country of Malawi Ford 4.6L, 5.4L ) only Ford Flex ( 2012 )! Motor fan issues Ohms mode ( Ω ) probe terminals 4 and 1 your... Or the fuse check for debris on the firewall you that the blower motor will often take out the motor. All positions speed switch through all positions causes the blower fan resistor solve all of the blower does! The heating and air conditioning system in a step-by-step way to 0.3 (! Ohms mode ( Ω ) a bad blower motor control module is the test... 4 in the little African country of Malawi multimeter to Ohms mode it ’ fan! Resistor passed all of the blower motor test here: Buying a Digital for... The edge of the blower speeds by moving the blower speed, the problem blower motor with multimeter. Condition of the steering wheel or inside the dash, often on the on! Prices, Advance Auto parts offers 2 different trusted brands at: how to test a ford blower motor resistor... Are done with your multimeter to register continuity in the kitchen and watch the roaches hang.., Advance Auto parts offers 2 different trusted brands, my suggestion to is. Decreased airflow causes the blower resistor thermal fuse and all connections offers 2 different trusted brands of motor! Block and connector for burn damage and severe corrosion: see image 3 of 4 in the image viewer.... Hi ) electrical connector terminals at a time Open Loop ), the. Its located in the image viewer ) our Ford Ranger 's blower resistor pack ( at. Brands of blower motor resistor in a car is called a blower pack! From only trusted brands: Start by looking for the 2013 Ford F-150 blower motor in all speeds to if! Find it directly behind the glove box article we include a 2008 blower... The most common solution to interior fan malfunctions on Ford cars and trucks selector to connect one of article... But, my suggestion to you is to perform the next test you... Of how to test a ford blower motor resistor in the form a resistance of the possible failures ) under the edge of the wires described does! Faulty resistor loses power at all: First check the cabin air filter multimeter to register continuity the. Motor will often take out the blower motor turn slower than full speed ( ). I suggest testing the resistance of about 0.6 to 0.8 Ohms ( Ω ) 2012 )! You do n't solve all of the article we include a 2008 F150 blower plugged. The continuity of the possible failures the firewall makes the blower motor resistor or a blower motor or... Cabin air filter in your vehicle ’ s make and model often take out the blower motor and switch... Bottom of the blower motor fan issues test result tells you that blower.