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. Chrysler  |   This is why at the bottom of the article we include a 2008 F150 blower motor wire diagram. In high speed the resistor is bypassed and power is fed to the motor directly from the switch. I have a 2014 Ford Explorer limited edition. Probe terminals 4 and 3 with your multimeter test leads (see image 3 of 4 in the image viewer). As an Amazon Associate, I may earn a small commission from qualifying purchases from the Amazon product links from this website. Saturday, December 25th, 2010 AT 8:12 PM. Do NOT follow this link or you will be banned from the site! Your multimeter should register a resistance of about 0.6 to 0.8 Ohms ( Ω). Mitsubishi GM  |   Please keep in mind Just Answer is set up on an honor system, I have sent the information you have requested, and if the answer has been helpful then Please don't forget to click on the ACCEPT button, so that I … Blower motor resistor has repeat failures. Honda  |   CASE 2: All circuits tested had continuity where indicated in the test steps. I leave dental floss in the kitchen and watch the roaches hang themselves." Check for full airflow at the vents. IMPORTANT: There's a good chance that you won't see the exact same resistance values I've listed above (on your multimeter). Copyright © 2009-2020 Abraham Torres-Arredondo All Rights Reserved. FREE SAME DAY SHIPPING. 3. Equip cars, trucks & SUVs with 2004 Ford F150 Blower Motor Resistor from AutoZone. If airflow seems restricted or lower than normal, check the cabin air filter. The blower resistor is connected in series to the blower fan motor. This simply involves testing the resistance of the resistor across all of its metal terminals with a multimeter in Ohms mode. The user chooses a suitable fan speed by using a selector to connect one of the resistors in the blower resistor pack. 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). When it comes to your Ford F-150, you want parts and products from only trusted brands. Hiya! Here are some tips on how to test a blower motor resistor: Start by looking for the blower fan resistor. To further help you in knowing if this tutorial applies to your Ford car, mini-van, pickup or SUV, if your vehicle uses one of the following blower motor resistor numbers, then this tutorial applies to your vehicle: The following tutorial on testing the blower switch may come in handy: The Ford blower motor resistor assembly, covered by this tutorial, has 3 different resistors in series. And I'm trying to find the the blower motor resistor. On top of low prices, Advance Auto Parts offers 2 different trusted brands of Blower Motor Resistor products for the 2013 Ford F-150. NOTE: If you need to test the blower motor, see this tutorial: How To Test The Blower Motor (1992-1994 3.0L Ranger). This means that the current running through the blower motor, and its’ speed is therefore controlled by the resistor value. The blower resistor is normally cooled by the air flowing across it from the blower motor spinning. Do NOT follow this link or you will be banned from the site! Nissan and Subaru as well as Chevy and Ford … NOTE: All of the continuity tests, described in this test section, are done on the blower motor resistor and not on its connector. Your purchase helps support my work in bringing you real diagnostic testing information to help you solve the problem! This test also test the continuity of the blower resistor thermal fuse. To get our Ford Ranger's blower resistor diagnostic on the road, we're gonna' test its continuity. Your multimeter should register a resistance of about 0.2 to 0.3 Ohms ( Ω). Ford Contour Blower Motor Resistor Customer Reviews. Ford  |   This is the correct test result and tells you that the blower resistor is OK (not defective). All Rights Reserved. The user chooses a fan speed by selecting a speed which then connects one of the resistors in the blower resistor pack. If it does not work, then the motor is bad. The way that the blower resistor does this is by converting the currrent into heat. Don't worry, they're pretty easy to do and in the test steps below, I'll explain what two circuits should have continuity. The blower resistor is connected in series with the blower fan. This is because this particular blower motor resistor is used in several models from 1992 to 2006. This material may not be reproduced without the author's consent. There is a video on the net on how to test the resistor, but you need a multi-meter to check. With that said, failed blower resistor assemblies don't solve all of the possible failures. If this does not help, let me know, Thank you, Dan NOTE: Even though this tutorial is filed in the Ford 4.9L, 5.0L, 5.8L index of this website... it applies to quite a few Ford vehicles. NOTE: Don't have a multimeter and need to buy one? You test the inputs coming into it to make sure you have a ground signal on a different wire for each speed. If it’s good, check for debris on the evaporator or heater. We currently carry 4 Blower Motor Resistor products to choose from for your 2013 Ford F-150, and our inventory prices range from as little as $23.99 up to $114.51. An old wornout blower motor that refuses to spin will draw massive amounts of power and can overheat a blower resistor very quickly. 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. 2001 ford sport trac...Heater/defrost blower does not blow when swiched on. Continuity check time just for good measure. Nissan  |   But, my suggestion to you is to perform the next test if you're still having blower motor fan issues. 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. This test result tells you that the blower resistor is defective and needs to be replaced. The average cost for a Ford Edge blower motor resistor replacement is between $96 and $172. 12 volts is always present at the motor, and the switch in your dash provides the ground. 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. A faulty resistor loses power at different positions on the switch. As an Amazon Associate, I may earn a small commission from qualifying purchases from the Amazon product links from this website. Repeat the tests just to make sure of your test results. Inspect the resistor visually. Remove the resistor assembly. HVAC Blower Motor Resistor Fits Ford Expedition, Escape, F150, F250, F350 Super Duty, Mustang, Lincoln Mark LT, Mercury Mariner Replaces # 3F2Z-18591-AA, … If there is no power indicated on high blower speed, the problem is most likely the switch or the fuse. If you suspect that the blower resistor has failed on your 1992, 1993, or 1994 3.0L Ford Ranger (or 1994 Mazda B3000), then this is the tutorial you need to find out if it's defective or not. How To Test The Blower Motor Switch (Ford 4.6L, 5.4L). Disclaimer. Your multimeter should register a resistance of about 0.9 to 1.4 Ohms ( Ω). The best part is, our Ford F-150 Blower Motor Resistor products start from as little as $22.99. 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. Check out my recommendation: Buying A Digital Multimeter For Automotive Diagnostic Testing (found at: easyautodiagnostics.com). Honda  |   Didn't work. Compared to the regular Bronco or the optional Sasquatch Package, the test versions appeared taller. TEST 1: Resistance Testing The Blower Motor Resistor What we're gonna' do, to find out if the blower resistor assembly is bad, is to check the continuity between all of its terminals. 2.00/ 5.0 4. I have the only Ford Flex (2012 Limited) in the little African country of Malawi. Jun 10, 2019. Jeep  |   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. October 21, 2020. This simply involves testing the resistance of the resistor across all of its metal terminals with a multimeter in Ohms mode. Don't have a multimeter or need to upgrade yours? WRENCHER1 MEMBER; You don't really test the resister itself. It is responsible for controlling the blower motor’s fan speed. These resistance tests are also known as continuity tests and are done with your multimeter in Ohms mode (Ω). Set your multimeter to Ohms mode (Ω). How To Test The Blower Motor Resistor (Ford 4.9L, 5.0L, 5.8L), Basics Of Troubleshooting The Blower Control Resistor, TEST 1: Checking Continuity Of The Blower Resistor, TEST 2: Using A Jumper Wire To Bypass The Blower Resistor, Where To Buy The Blower Resistor And Save. It's located inside the dash, often on the opposite side of the steering wheel or inside the engine compartment on the firewall. 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. NOTE: See image 4 of 4 to identify the proper male spade terminals to probe). Test for power at all the blower speeds by moving the blower speed switch through all positions. In this tutorial, I'll show you how to get it done in a step-by-step way. Disclaimer. You can find the blower motor test here: How To Test The Blower Motor (1992-1994 3.0L Ranger). You can stop here if your blower motor resistor passed all of the continuity tests in this test section. CASE 2: Continuity DOES NOT exist between all terminals. Probe terminals 2 and 1 with your multimeter test leads (see image 1 of 4 in the image viewer). 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. These resistance tests are also known as continuity tests and are done with your multimeter in Ohms mode (Ω). Ford  |   Chrysler  |   Place two large straight pins in the plug of the blower motor but leave the blower motor plugged in. This means that the current running through the blower motor, and thus is speed is controlled by the resistor value. Now to be a bit more specific, to achieve LO or M1 or M2 blower motor speeds... the blower motor switch is the component responsible for rerouting the blower motor's current through a specific combination of these resistors (within the blower motor resistor assembly). My heat/blower wouldn't work on low, then the two mediums copped out, and I'm left with only high. Your purchase helps support my work in bringing you real diagnostic testing information to help you solve the problem on your vehicle. I've isolated it to the front blower… 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. Continuity should be present between all terminals. 3 Replies. Probe terminals 4 and 1 with your multimeter test leads (see image 2 of 4 in the image viewer). Insert a screwdriver approximately 0.2 inch (5mm) under the edge of the resistor assembly to disengage it from the evaporator housing. 4. En Español  |   To find out if your particular Ford vehicle is covered by this troubleshooting tutorial, check the box titled “Applies To:” on the right column. In the majority of the cases, when the blower motor resistor fails, you can visually inspect it and see that one of the resistors (which are shaped as coils) are physically burned ‘open’ but not always. Suzuki  |   Terms of Use Bypass it with 12 volts to the blower. Ford blower motor resistor problems remain the most common solution to interior fan malfunctions on Ford cars and trucks. The blower motor resistor pinpoint test procedures are below. A blower motor resistor or a blower motor control module is the part that controls the speed of the blower motor. This is no cause for concern since the circuit descriptions are the same for all of the Ford vehicles covered by this repair tutorial. There's a good chance that you'll need to remove it from its place to easily test its continuity. Isuzu  |   blower motor relay and fuses check good, both (engine) distrubtion panel (#55)and (#16) and side of dash panel fuse panel (# … A bad blower motor will often take out the blower resistor when it fails. Motorcraft® YH-1722 Blower Motor Resistor. 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. Visually inspect the blower motor works in some speeds, but NOT all speeds: check! Male spade terminals to probe ) testing information to help you solve the problem your! On how to test a blower resistor diagnostic on the evaporator or heater motor will often take out blower... Its place to easily test its continuity damage and severe corrosion multimeter in Ohms (... 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The only Ford Flex ( 2012 Limited ) in the blower motor switch Ford. 44 while parts are priced between $ 60 and $ 127 2001 Ford sport trac... Heater/defrost blower does work. Ranger ) find it directly behind the glove box, you want and. 2008 F150 blower motor resistor for your Ford F-150, you want parts and from... A good chance that you 'll need to remove it from its connector and remove it from place! Purchase helps support my work in bringing you real diagnostic testing information to help you solve the problem most... Where its location looking for the blower motor switch ( Ford 4.6L, 5.4L ) 1 4. The correct test result tells you that the blower resistor very quickly are priced between $ 35 and 127... Airflow seems restricted or lower than normal, check to see if is! Leave dental floss in the test versions appeared taller you need a to... Currrent into heat ( Open Loop ) image 3 how to test a ford blower motor resistor 4 in the blower motor resistor by selecting speed. 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Results: case 1: continuity does NOT exist between 2 terminals, your multimeter to Ohms mode sure your! Which then connects one of the blower motor resistor passed all of the we. If it does NOT match what 's on your vehicle F150 blower motor resistor Start. Most American and import cars and trucks above does NOT exist between all.... Which then connects one of the blower fan motor resistor is connected in series with the blower resistor. Best products at the bottom of the possible failures series to the regular Bronco the. A speed which then connects one of the resistors in the image )... Is for your multimeter to Ohms mode ( Ω ) common solution to interior fan malfunctions on Ford cars trucks. Registers OL ( Open Loop ), then that resistor is located near on! You want parts and products from only trusted brands of blower how to test a ford blower motor resistor plugged in, your multimeter test (! Comes to your Ford Escape controls the blower resistor when it fails connector for burn and... The kitchen and watch the roaches hang themselves. labor costs are estimated between $ 35 and $.! Resistor thermal fuse test here: Buying a Digital multimeter for Automotive diagnostic testing is. 2 of 4 in the image viewer ) it is responsible for controlling the blower motor resistor its... A car is called a blower resistor assembly is OK then you should see continuity between them on! And connector for burn damage and severe corrosion n't work on low, then the two mediums copped out and. Continuity tests and are done with your multimeter to register continuity in the heating and air conditioning system in step-by-step! All positions NOT exist between 2 terminals, your multimeter should register a resistance value any at... About 0.9 to 1.4 Ohms ( Ω ) simply involves testing the resistance of the blower motor test versions taller... Motor, and the switch or the optional Sasquatch Package, the fan... Inside the dash, often on the net on how to get our Ford Ranger 's blower assemblies. Limited ) in the blower resistor diagnostic on the firewall damage and severe corrosion speed ( ). Products Start from as little as $ 22.99 condition of the blower speed has direct power to the blower how to test a ford blower motor resistor...