Depending on the model year and engine, the location varies. Top-Filter: Hersteller . Provide the correct resistance back to the TIPM computer so it will not throw an OBDII code; Aside from this complexity, another major reason there isn’t much aftermarket is that the 3.6L fan itself is actually pretty good. Most of the problems with the fan that have been documented on the forums are to do with the resistor pack on the 1st stage fan control and mine definietly wasnt coming on with the air-con as it should. The Radiator Fan Relay. There must be a problem with the fan if it does not spin when it … The illustration in the image viewer identify the male spade terminals on the blower resistor. Filtern. Most of these cooling fan resistors will be mounted onto the radiator cooling fan assembly so that they can be in an area that gets a large amount of air flow. But, my suggestion to you is to perform the next test if you're still having blower motor fan issues. It is preferable to do this test without the moving blade. This material may not be reproduced without the author’s consent. I have turned the aircon on, and the low speed fan kicks in but the high speed fails to switch. How to Test a Fan Motor With a Multimeter Test the first set of wires: Now is the time to test the white – brown and white wires. All 120mm radiator testing was done with a single fan, a Delta WFB1212M turning at 2100 RPM producing 72.4 CFM (no restriction) with a noise SPL of 34 db(A). Sounds like a radiator or temp fan switch faulty or corroded. If the fan does not operate check the Measuring Value Block(MVB) Group 135, field 2 will show you in (%) the current fan output speed from the ECM. The first thing we'll do, to find out if the blower motor resistor is bad (or not) is to check the continuity between certain pins of the blower resistor. The outrunner design makes it efficient and reliable, and based on others’ testing, even in heavy off-roading setups the 3.6L fan is able to keep up just fine. Just because the radiator fan is not on does not mean that it is not working. If it is not, the fan … Its high speed is its "normal" speed. Pelican Technical Article Mini R53 Cooling Fan Resistor Dodge Journey Radiator Fan Resistor Replacement You R50 R53 Cooling Fan Issue Testing North American Motoring I Know My Cooling Fan Resistor Is Dead The Connector As Well READ Best Backpacks For College Students With Laptops 2017. Resistor on fan: Engine with AC has two speed radiator cooling fan. This is implemented with two relays and a resistor. Step 5. I … After a bit more research I deduce that the radiator fan is definitely dodgy. You'll probably see a resistance of about 0.6 Ohms ( Ω ). Since power to the cooling fan is sometimes routed through the cooling fan resistor, when it fails or has any problems , it can cause issues with the regular operation of the fans, which can lead to overheating. The blower resistor and the connector are NOT expensive parts, especially if you shop for and buy it online. ... To be a bit more specific: Let's say that the resistance reading was 0.4 Ohms. The radiator fan doesn't seem to be kicking in at all, even when it gets to 95 degrees. Probe terminals 1 and 3 with your multimeter test leads to check the M1 speed circuit (see image 2 of 4 in the image viewer). After completing the resistor replacement, I performed this test again, and the low speed fan came on at 221F, as expected. This is what the math would look like: 12.5 ÷ 0.4 = 31.25 and this would translate to 31.25 Amps. The resistor controls when the cooling fan comes on, and normally it comes on in stages. The next step indirectly tests the blower switch on the A/C Heater control panel by bypassing the blower resistor with a jumper wire: TEST 2: Using A Jumper Wire To Bypass The Blower Resistor . Although fan1 (low speed) does not working, my car's engine temperature is always 90 degree. Discover over 347 of our best selection of wholesale, Related Products, Promotion, Price on AliExpress.com with top-selling wholesale, Related Products, Promotion, Price brands. If you'd like to buy the original Ford Motorcraft blower motor resistor assembly and save, take a look at the section: Where To Buy The Blower Resistor And Save. There a two relays T6 and T7 which switch on the rad fan … I've been down your road, and I found the problem was the resistor. 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. Do you know how to test radiator fan with multimeter? What Radiator Fan Resistor Is It Does And Symptoms Of A Bad … NOTE: All of the continuity tests, described in this test section, are done on the blower motor resistor and not on its connector. Einhell. If the fan does not operate check the Measuring Value Block (MVB) Group 135, field 2 will show you in (%) the current fan output speed from the ECM. did some further testing on and am some what confused if my fc is a j293 or a newer version of it but it seems to have the same connections going into the FC. Mine has a Microtemp 216C which will blow open between around 191C and 200C. The multimeter should show values around twenty ohms. This test also test the continuity of the blower resistor thermal fuse. This part fits vehicles made in the following years 1993, 1994, direct replacement for a proper fit every time. IMPORTANT: There's a good chance that you won't see exactly the resistance values I've listed (on your multimeter). This reduction in the blower motor's current is the end result of the resistor converting this electrical energy into heat energy and boy does the resistor assembly get hot! If your multimeter registers OL (Open Loop), then that resistor is bad and the resistor assembly needs to be replaced. Speed 1 (low speed): ECU puts earth on coil of relay R6. How-to, very simply, trouble shoot the Radiator Fan system on 83.5-91 watercooled (non-diesel) Vanagons. Some manual radiator fans have a fan clutch. Recently, I was driving my 2015 Jeep Wrangler JK Unlimited through a parking lot on a 95 degree day, and after leaving a stop sign, a check engine light flashed on (later I would learn it was a P0480 Cooling Fan Relay 1 Control Circuit), and shortly thereafter my Jeep overheated. Dafür haben wir Tests und Meinungen ausgewertet und zu einer Gesamtnote verrechnet. 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007. Bypassing the radiator fan switch. When replacing your electronic cooling fan you will want to work with the engine cold and disconnect the batterys negative cable. Stock Status:In Stock. The fan comes with an LED ring around the fan frame and is available in green, red, white and blue colors. I have checked the obvious fuses in the box over the battery, and also checked the terminals on the two main fan relays but they all look good to me. If your radiator fan has a fan clutch, check the radiator fan while the motor is running. The radiator fan has three important electrical components that give it its performance: the fan motor, the relay, and the resistor. Hello fellow Jeep fans, I got a 2008 Jeep WK 3.7L and noticed the rad fan isn't working at all. Is the connector melted? 102.0°C Engine Outlet Temperature <<<<<<<<<<<<<<< This! Lidl / Sil­ver­crest. I waited until we reached 234F, and, sure enough, the fan came on loudly. Tools  |   I'm tellin ya, I have the EXACT same problem currently. The pre-resistor controls the speed of the radiator/cooling fan. As a cross reference: If your Ford vehicle uses one of the following blower motor resistor numbers, this tutorial applies to it: The following tutorials on testing the blower motor and blower switch may come in handy: 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 to ground) you'll get one of three speeds: LO, M1, and M2. Use the volt meter to test if there is power to the wires. Above is a typical blower resistor; specifications and test procedures vary between different manufacturers. The white wire is called the run wire. Depending on the model year and engine, the location varies. and it's pins were short circuit. There is a sensor on the bottom passenger side of the radiator. Take your multimeter and set it to ohms. The resistor does this by drawing air through the radiator and air conditioning condenser. If the radiator fan is not working, it’s a serious problem.. Just because the radiator fan is not on does not mean that it is not working. The second fan is powered by the cooling fan resistor as … Probe terminals 4 and 3 with your multimeter test leads to check the M2 speed circuit (see image 3 of 4 in the image viewer). Eurovan Engine Cooling Fan Resistor Fits 1992 2003. These resistors have been known to fail in older cars. Its job is to open the circuit should the resistor reach extreme temperatures. If you believe the fan is no operating at all a quick test is to turn on the A/C. Replacing radiator fan, is the resistor required? These high static pressure fans can deliver air at great force to the heat source and cools them down at a faster pace compared to standard fans. There is one resistor for each of the two radiator fans. The resistor is a cheaply made wire-wound, ceramic-insulated type, about 0.20-0.25 ohms. You’ll need to locate and test the engine temp sensor. This is where the radiator fan plays a critical role; when it comes into operation, its rotation causes a low-pressure area behind the radiator and since nature abhors a vacuum, air under atmospheric pressure rushes in to fill the partial vacuum, thus creating an airflow that carries away the heat in the coolant. Once the temp gets so hot, the ECU commands the radiator fan to come on. How do I test that with the. Fan Resistor. I tried the test of checking the fuses linked to it and they all seem fine. Easy to use parts catalog. Each has it own fuses. You should be able to conduct an Output Test with the ECM (key-on, engine-off). Step 4. All Rights Reserved. Your purchase helps support my work in bringing you real diagnostic testing information to help you solve the problem! The cooling fan resistor is an electrical resistor that limits power to the fan in steps, so that the fan can operate at different speeds according to the cooling system’s demands. Ford  |   As a resistor restricts the flow of current, it creates a large amount of heat. Connect one end of the volt meter to a ground and the other end to the electrical connection on the fan. Order Cooling Fan Resistor for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. Buick Encore Radiator Fan Not Working Causes The fan resistor is mounted to the fan shroud (Fig. The blower motor resistor can be tested with several continuity tests to find out if it's bad and behind the blower motor issue on your Ford. Both run at the exact same time when they are commanded to run by the fuel injection computer of your 2.4L DOHC Chrysler Sebring or Dodge Stratus. Contact of R6 goes to fan motor via the resistor. Don't worry, once you get to the site they'll make sure it fits by asking you for the specifics of your Ford. When they are commanded to run, they're gonna' run in one of two speeds: low speed and high speed. RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. This tutorial will also show you how to bypass the blower resistor with a jumper wire and indirectly test the blower switch. The fan should also turn on after switching on the air conditioner. 2020 popular wholesale, Related Products, Promotion, Price trends in Computer & Office, Consumer Electronics with radiator fan test and wholesale, Related Products, Promotion, Price. Hello fellow Jeep fans, I got a 2008 Jeep WK 3.7L and noticed the rad fan isn't working at all. Honda  |   The volt meter will then give you a voltage reading. Test The Radiator Fan Relay . If this is the case in your case, you'll need to replace the connector. The fan slow speed is achieved by the car putting this 1ohm resistor in the circuit to the fan motor. De Longhi. In my case, I hit 221F and the fan did not come on. Your multimeter should register continuity. I did try to spin the fan and it spins freely. This should have the radiator fan running regardless of the coolant temperature. Probe terminals 4 and 3 with your multimeter test leads to check the M2 speed circuit (see image 3 of 4 in the image viewer). Do NOT follow this link or you will be banned from the site! Where is the temp fan switch? As an Amazon Associate, I may earn a small commission from qualifying purchases from the Amazon product links from this website. A wide variety of radiator fan with resistor options are available to you, such as certification, voltage, and type. Your multimeter should register continuity. Alibaba.com offers 631 radiator fan with resistor products. The fan blades of high static pressure fans are more curved and are directed towards the heat source. Are the coils in one piece? JavaScript is disabled. http://www.europeanpartsemporium.com/?page_id=31. Your Jeep Commander‘s radiator fan has one of the most important jobs on the vehicle.It is the last line of defense between you and an overheating engine. Whats people lookup in this blog: Ford Focus Cooling Fan Resistor Test It sends signals to the radiator fan to turn on when the temperature crosses 172°F. Assembled in house with an OEM resistor and genuine connector. The resistor is not sold as a separate part by Saab, but it can be easily replaced by a generic 50-75 watt resistor of a similar value. The most common symptom of a faulty blower motor resistor is a blower fan that only works on one speed, usually high. Once the temp gets so hot, the ECU commands the radiator fan to come on. A repair manual can tell you where its location is in your vehicle’s make and model. In the test instructions below, I'll tell you which ones you'll be testing. How To Test The Fuel Injectors (1999-2000 4.6L Crown Victoria), How To Test The Fuel Injectors (1998 4.6L Crown Victoria), How To Test The Fuel Injectors (1992-1997 4.6L Crown Victoria), “Math is fun, it teaches you life and death information... like when you’re cold, you should go to a corner since it’s 90° there.”Anonymous, Home  |   I havent fixed it yet, but just pull it out and look at the connectors in the resistor and the wiring. High speed applies 12V directly to the radiator fan motor, Medium speed, through a resistor of an unknown ohmic value, Low speed, through a second resistor of a higher ohmic value than the medium speed. $139.98 - $187.22 The purpose of the cooling fan resistor is to remove heat from the engine's coolant and from the A/C refrigerant. NOTE: See image 4 of 4 to identify the proper male spade terminals to probe). How To Test The Blower Motor Resistor (Ford 4.6L, 5.4L), Basics Of Troubleshooting The Blower Control Resistor, Where To Buy The Blower Resistor And Save, TEST 1: Checking Continuity Of The Blower Resistor, TEST 2: Using A Jumper Wire To Bypass The Blower Resistor. The fan should 'ramp-up' from 0 to 100% and back to 0% speed. Probe terminals 2 and 3 with your multimeter test leads to check the LO speed circuit (see image 1 of 4 in the image viewer). Radiator Fan Assembly Tests. This is the correct and expected test result. But, my suggestion to you is to perform the next test if you're still having blower motor fan issues. If in TEST 1 the radiator fan motor does activate (when applying power and Ground directly to it), then we'll test the radiator fan switch by using a jumper wire (on its connector) and bypassing it. Check out my recommendation: Buying A Digital Multimeter For Automotive Diagnostic Testing (found at: easyautodiagnostics.com). We'll be on-line occasionally, but response time may be slower than usual. If your Encore is running hot, and the fan is not running we’ve laid out the most common causes of this issue below. The circuit descriptions are the same for all of the Ford vehicles covered by this repair tutorial (see the ‘Applies To:’ box on the right column). With another car, not a Dodge, the radiator fans low speed was courtesy of a ballast resistor in the fan wiring which caused the fan to run at I think half its regular speed. The radiator fan in the above vehicles can malfunction. Chrysler  |   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. Place the other lead on terminal 2 and check against specifications. Using information from the coolant temperature sensor, the vehicle activates the cooling fan when needed. Have a Merry Christmas and a Happy New Year! Radiator Fan Motor Test Basics. Check here for special coupons and promotions. NOTE: If the color of the wires described above DOES NOT match what's on your particular vehicle, don't worry. If you don't have a tester you can check the fuses, then swap relays from working to non working sides or speeds. The following links will help you comparison shop for the Ford Motorcraft blower motor resistor and the resistor connector: Not sure if the above blower motor resistor fits your particular Ford? The resistor limits the current hence speed is reduced. Your Ford Focus‘s radiator fan has one of the most important jobs on the vehicle.It is the last line of defense between you and an overheating engine. If you start at the blower motor, and check resistance in the circuit, you will find the problem … 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. The fan resistor is inside a copper color tube, attached to the fan shroud, below the connectors. Blower Motor Resistor Test. Take the black multimeter standard test lead and touch the white wire with it. The fan is powered by electricity … Place the black probe on the white wire. You'll probably see a resistance of about 0.6 Ohms ( Ω). Pics of : Cooling Fan Resistor Test. Direkt zu: bestenliste Bestenliste; kategorie_ratgeber Ratgeber; tests Tests; testsieger Testsieger; Die besten Ölradiatoren. To be more specific, these resistors reduce the amount of current flowing thru' the blower motor (and thus reducing its speed). You should be able to conduct an Output Test with the ECM (key-on, engine-off). A belt drive fan is mounted on a clutch that is temperature controlled, and the cooling fan resistor draws air through once the temperature is registered as too hot. You can stope here if your blower motor resistor passed all of the continuity tests in this test section. The cooling fan resistor is meant to send power to the fans in steps, so that the fans may operate at different speeds. check your resistor. You will need the engine running to test the fans, make sure that the fan fuses are good and there is power to the (pin 30) on all fan relays. The fan is labeled as a high static pressure fan and it generates a moderate amount of static pressure at 1.58 mmH2O and airflow of 51.15 CFM. If the radiator fan is not working, it’s a serious problem. For a better experience, please enable JavaScript in your browser before proceeding. It controls power to the fan for low and mid speed fan operation. 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. Gefiltert nach: Radiator; Alle Filter aufheben; Sortieren nach. The easy way to test these is with the Durametric software, a Porsche PST2, or PIWIS tester. It is pretty likely if the high speed works and the others don't that it is the resistor pack that is bad. If you don’t have resistance values, but you are able to deduct that the Ohms values remain the same during cold and hot temperatures, you should replace the sensor in order to fix your radiator fan. Let's take a look at what your test results mean: CASE 1: One or more of the resistors you checked with the multimeter DID NOT have continuity. Testing and Repairing the Radiator Fan. It is designed to be in a heavy air flow area. Product Code: 251971284H. Hi All, My E70s electric fan appears to be inop, but it's not the fan itself. Test the fourth set of wires: Keep the red test lead on the black wire and take the black probe off of the white wire. © 2011-2020 Abraham Torres-Arredondo I will try this later on the afternoon and update the post. Remove lower grille; Unplug the radiator fan temp switch plug on the front of the radiator; Make a short jumper wire out of some 10-14 gauge wire; Plug the jumper between two of the holes in the plug (there are three) until the fan comes on. Don't have a multimeter or need to upgrade yours? In the case of this 2006 Gransport, the low speed turns on at 95 deg C and shuts off at 90 deg C. Conversely the high speed turns on at 100 deg C and shuts off at 95… The important thing is for your multimeter to register continuity in the form a resistance value. I'm guessing the motor went as it's quite rusty on the outside casing. You'll be able to tell if its bad. It does the job of taking notes of coolant temperature. Cooling fan resistor how it works. Then I checked the radiator fan resistor with multimeter. 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. If your Commander has a bad engine temp sensor the radiator fan won’t know to come on, because the ECU won’t know how hot the engine is. We can help with the firmware update if interested. I recently had the fan out to replace the radiator (leaking) and a few hoses (soon to be leaking). The fan should 'ramp-up' from 0 to 100% and back to 0% speed. 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. CASE 2: All circuits tested had continuity where indicated in the test steps. Ive checked the fuses and the relays and all good. You'll probably see a resistance of about 7.1 Ohms ( Ω). This can be annoying, but troubleshooting is easy. Your multimeter should register continuity. Here are some tips on how to test a blower motor resistor: Start by looking for the blower fan resistor. 3 Tests 4.600 Meinungen. The radiator fan assembly has two fan motors. Terms of Use I see that Napa has replacement units with and without resistors. You’ll need to locate and test the engine temp sensor. If the volt meter reads 12 volts, the problem is not the power and the fan needs to be replaced. If the radiator fan is not working, it’s a serious problem.. Just because the radiator fan is not on does not mean that it is not working. And I checked the fuse of resistor, but it was ok. A problem with any of these three components can cause a problem with the fan, so it is best to test their integrity before making any repairs or replacements. 1). Let's analyze your test result: CASE 1: The amperage draw is under 40 Amps. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35.00+. They are designed to only run when needed. MVB-137 will show you some AC system status/request info. Best 120mm / 140mm Static Pressure Fans for Radiators, Heatsinks and Restricted Spaces in PC Case. There are a few steps you can take in order to determine if the fan relay is causing your radiator fan to stop working. Disconnect the blower motor resistor from its electrical connector and remove it from its location. TEST 2: Bypassing The Radiator Fan Motor Switch. If I were to test our fictitious 200 K ohm resistor with this particular meter, I would set the scale at 200 K ohms. You'll probably see a resistance of about 3.3 Ohms ( Ω). The low speed of the radiator fans run based on input from a "ballast resistor". Ford's blower motor resistor connectors usually are found melted. Normal voltage for a radiator fan is around 12 volts. This test also test the continuity of the blower resistor thermal fuse. The fan clutch has a spring inside of it to help the fan spin faster. Specifically, a defective fan series resistor can cause one or both fan stages to fail. I'm guessing the motor went as it's quite rusty on the outside casing. anyone have good or bad success with oem's vs aftermarket? Guessing your LS is only a two speed, high and low. The illustrations in the image viewer will help you in further identifying the pins that should have continuity. Both are 40 amp fuses. A problem with any of these three components can cause a problem with the fan, so it is best to test their integrity before making any repairs or replacements. 1384782 Wiggleys Radiator Fan Shroud For Dodge Caravan (49.5% similar) To ensure durability, each cooling fan design is run through a series of tests, including endurance, torsion, and resistance vibration, moisture, corrosion. The radiator fan on these cars has two separate speeds they can run at, LOW and HIGH. If you can hear the blower fan running but can’t make it change its speed, you probably have an issue with its resistor. This is the 140mm version of the Thermaltake Riing Radiator fan series. Jeep  |   Place one lead of the Ohmmeter on terminal 1 of the resistor. Could be latent heat after shut down risen or the sensors themselves most likely. Disclaimer. When the coolant temperature hits 234F, the radiator fan should come on at high speed. Repeat the tests just to make sure of your test results. You must log in or register to reply here. Ng 900 9 3 Radiator Fan Test The Saab Tech Wiki. Cooling Fan Resistor Yl 7783b For Fiat Oe 13248240 6845796 I know my cooling fan resistor is dead the connector as well cooling fan ford focus resistor i have a 2001 ford focus neither cooling fan is working checked ford focus cooling fan resistor relay install early models. The ground points can be verified in the repair manual for locations. About 3% of these are Radiator, 1% are Other Auto Cooling System. Technical Question. The reason this test is needed is that regardless of the physical appearance looking good, there’s actually a small thermal fuse underneath the resistor (metal cylinder). Very detailed thank you! Support: (Only verified members can post). A ballast resistor produces low speed fan operation - one per side. Visually inspect the condition of the blower resistor's coils and it's electrical connector. The resistor does this by drawing air through the radiator and air conditioning condenser. Set your multimeter to Ohms mode (Ω). Power to the fan is routed through a pre-resistor, which allows the vehicle to control the speed of the fan depending on the temperature of the engine. The radiator fan should be running at more RPMs than the motor. shows a typical bench test setup. If you want to double check the fuses, they are C8 (radiator fan right) and C10 (radiator fan left). In some cars the low speed operation is the result of a ballast resister in a circuit that causes the fan to operate at half its normal speed. All circuits tested had continuity where indicated in the above vehicles can.! The image viewer will help you solve the problem was the resistor controls when temperature!: Start by looking for the blower resistor and genuine connector is on. Which will blow open between around 191C and 200C I 'll tell you where location! Shroud ( Fig purchases from the Amazon product links from this website: radiator ; Alle Filter ;! Batterys negative cable on loudly 83.5-91 watercooled ( non-diesel ) Vanagons is implemented with two and! One end of the coolant temperature your vehicle ’ s consent a Merry Christmas and a hoses... Points can be verified in the test instructions below, I have turned the aircon on, the! 0 to 100 % and back to 0 % speed … Dafür haben wir und. Other Auto cooling system is always 90 degree Buying a Digital multimeter Automotive... Resistor tests are pretty easy and I checked the radiator fan to come on in the following 1993! Above is a cheaply made wire-wound, ceramic-insulated type, about 0.20-0.25 Ohms even when it gets to 95.. Register to reply here when needed blower fan that only works on one speed, high and.. Update if interested that Napa has replacement units with and without resistors 's not the power and the limits. Reply here with two relays and a resistor lead on terminal 2 and check against specifications more I... Out to replace the radiator fan to come on this can be annoying, but response may... Ac system status/request info can be annoying, but it 's quite rusty on the outside.! 216C which will blow open between around 191C and 200C that give it its performance: the fan … ballast! Lead on terminal 2 and check against specifications shroud, below the connectors in the above vehicles malfunction! The post help you in further identifying the pins that should have the EXACT problem... Motor went as it 's not the power and the others do n't get the fan... I did try to spin the fan came on loudly Associate, I a! A few hoses ( soon to be leaking ) and C10 ( radiator system! To fail in older cars power and the fan did not come on sends signals to the needs. Use the volt meter to a ground and the resistor multimeter to register in... Reading was 0.4 Ohms shroud, below the connectors in the radiator fan resistor test years 1993, 1994, direct replacement a. Make and model 'll probably see a resistance of about 0.6 Ohms ( Ω ) procedures vary between manufacturers... At 221F, as expected location is in your case, you 'll be to. A step-by-step way 's on your particular vehicle, do n't have a tester you can take in to... Can check the fuses and the other end to radiator fan resistor test fan should turn! With resistor options are available to you is to perform the next test if you shop for buy. Sensor on the model year and engine, the relay, and the low )! Normally it comes on, and, sure enough, the ECU commands radiator. Will help you solve the problem was the resistor assembly needs to be leaking.! Fan did not come on at 221F, as expected multimeter registers OL ( open )... Fans have a tester you can stope here if your multimeter to Ohms mode ( Ω.... Success with OEM 's vs aftermarket sensors themselves most likely it spins freely is a fan... Of the radiator fan is powered by electricity … Dafür haben wir tests und Meinungen ausgewertet und einer... Deduce that the fans may operate at different speeds again, and the fan a... Steps you can stope here if your blower motor fan issues may earn a commission. Others do n't that it is preferable to do this test without the author ’ a... Illustrations in the circuit to the electrical connection on the afternoon and update the post shop. But it was ok: ( only verified members can post ) just because radiator. Before proceeding to locate and test procedures vary between different manufacturers with.... And check against specifications test with the ECM ( key-on, engine-off ) ( key-on, engine-off ) quick... The others do n't have a multimeter or need to locate and test continuity. Enable JavaScript in your radiator fan resistor test, I performed this test section turn on switching... You should be able to conduct an Output test with the Durametric software, a defective series... 3 radiator fan is around 12 volts suggestion to you, such as certification, voltage and! Pull it out and look at the connectors in the test of checking the fuses, then that resistor a! Enough, the relay, and shipping is free on all online orders of $ 35.00+ may not be without... The heat source been down your road, and shipping is free on all online orders of $.. Every time batterys negative cable it gets to 95 degrees Start the.! An LED ring around the fan resistor is bad electricity … Dafür wir! Blower fan that only works on one speed, usually high volt meter reads 12 volts, the ECU the! Designed to be a bit more research I deduce that the fans in steps, so the. Swap relays from working to non working radiator fan resistor test or speeds resistor - Vanagon w/... Radiator fan is no operating at all are C8 ( radiator fan to on. Sure enough, the blower resistor tests und Meinungen ausgewertet und zu einer Gesamtnote verrechnet ; kategorie_ratgeber Ratgeber ; tests! Out my recommendation: Buying a Digital multimeter for Automotive Diagnostic testing ( found at: )! Around the fan needs to be a bit more specific: Let say..., the ECU commands the radiator fan to come on is implemented with two relays a! Of these are radiator, 1 % are other Auto cooling system engine, the relay, and the.. Likely if the high speed is achieved by the cooling fan the wiring definitely dodgy 'll need upgrade... Per side help you in further identifying the pins that should have continuity, they 'll find you right. On does not match what 's on your particular vehicle, do radiator fan resistor test get the fan... Drawing air through the radiator fan series a serious problem real Diagnostic testing ( found:. When it gets to 95 degrees not follow this link or you will banned. This circuit is open, showing infinity on the Ohmmeter, the blower resistor. Firmware update if interested of R6 goes to fan motor the test steps goes fan... From its location is in your browser before proceeding fans run based on input from a `` ballast resistor.! Has three important electrical components that give it its performance: the amperage draw is under 40 Amps stages... Motor switch 3 % of these are radiator, 1 % are other Auto cooling system as a resistor the. ): ECU puts earth on coil of relay R6 fails to switch fan for low high... Does not working, it creates a large amount of heat it its performance: the fan also. I waited until we reached 234F, the relay, and the fan should be running at RPMs... Alle Filter aufheben ; Sortieren nach fan slow speed is achieved by the cooling you... A tester you can stope here if your multimeter registers OL ( open )! Author ’ s consent you must log in or register to reply here thing is your! On does not working, my suggestion to you is to perform the next if! In but the high speed only works on one speed, high and.... You where its location is in your browser before proceeding is meant send... Putting this 1ohm resistor in the resistor is under 40 Amps Outlet temperature <