Visually inspect the condition of the blower resistor's coils and it's electrical connector. There is a sensor on the bottom passenger side of the radiator. Disconnect the blower motor resistor from its electrical connector and remove it from its location. This fan was selected due to its moderate noise and relatively good performance compared to other fans with similar noise characteristics. Dafür haben wir Tests und Meinungen ausgewertet und zu einer Gesamtnote verrechnet. 2020 popular wholesale, Related Products, Promotion, Price trends in Computer & Office, Consumer Electronics with radiator fan test and wholesale, Related Products, Promotion, Price. NOTE: All of the continuity tests, described in this test section, are done on the blower motor resistor and not on its connector. 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. 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 multimeter should show values around twenty ohms. 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. 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. MVB-137 will show you some AC system status/request info. Top-Filter: Hersteller . Ive checked the fuses and the relays and all good. Ng 900 9 3 Radiator Fan Test The Saab Tech Wiki. NOTE: See image 4 of 4 to identify the proper male spade terminals to probe). Replacing radiator fan, is the resistor required? Resistor on fan: Engine with AC has two speed radiator cooling fan. If you want to double check the fuses, they are C8 (radiator fan right) and C10 (radiator fan left). Hi All, My E70s electric fan appears to be inop, but it's not the fan itself. It controls power to the fan for low and mid speed fan operation. Just because the radiator fan is not on does not mean that it is not working. Radiator Fan Assembly Tests. If your multimeter registers OL (Open Loop), then that resistor is bad and the resistor assembly needs to be replaced. Sounds like a radiator or temp fan switch faulty or corroded. 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). If you believe the fan is no operating at all a quick test is to turn on the A/C. The pre-resistor controls the speed of the radiator/cooling fan. We'll be on-line occasionally, but response time may be slower than usual. Depending on the model year and engine, the location varies. 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. Support: (Only verified members can post). I've been down your road, and I found the problem was the resistor. 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. 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. The fan is powered by electricity … 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. 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. Both are 40 amp fuses. A ballast resistor produces low speed fan operation - one per side. 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. I did try to spin the fan and it spins freely. We can help with the firmware update if interested. If your Focus 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. Its job is to open the circuit should the resistor reach extreme temperatures. Above is a typical blower resistor; specifications and test procedures vary between different manufacturers. 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. Step 5. The resistor does this by drawing air through the radiator and air conditioning condenser. Fan Resistor. For a better experience, please enable JavaScript in your browser before proceeding. A wide variety of radiator fan with resistor options are available to you, such as certification, voltage, and type. Terms of Use You’ll need to locate and test the engine temp sensor. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35.00+. This is what the math would look like: 12.5 ÷ 0.4 = 31.25 and this would translate to 31.25 Amps. You should be able to conduct an Output Test with the ECM (key-on, engine-off). It is pretty likely if the high speed works and the others don't that it is the resistor pack that is bad. 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). The radiator fan assembly has two fan motors. 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. Test The Radiator Fan Relay . and it's pins were short circuit. 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. In my case, I hit 221F and the fan did not come on. If I were to test our fictitious 200 K ohm resistor with this particular meter, I would set the scale at 200 K ohms. If your Encore is running hot, and the fan is not running we’ve laid out the most common causes of this issue below. Hello fellow Jeep fans, I got a 2008 Jeep WK 3.7L and noticed the rad fan isn't working at all. 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. I waited until we reached 234F, and, sure enough, the fan came on loudly. 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. 1). 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. Cooling fan resistor how it works. NOTE: If the color of the wires described above DOES NOT match what's on your particular vehicle, don't worry. But, my suggestion to you is to perform the next test if you're still having blower motor fan issues. If the radiator fan is not working, it’s a serious problem. Eurovan Engine Cooling Fan Resistor Fits 1992 2003. Filtern. Alibaba.com offers 631 radiator fan with resistor products. The cooling fan resistor is meant to send power to the fans in steps, so that the fans may operate at different speeds. The ground points can be verified in the repair manual for locations. You should be able to conduct an Output Test with the ECM (key-on, engine-off). Although fan1 (low speed) does not working, my car's engine temperature is always 90 degree. http://www.europeanpartsemporium.com/?page_id=31. check your resistor. Lidl / Sil­ver­crest. The radiator fan on these cars has two separate speeds they can run at, LOW and HIGH. All Rights Reserved. After a bit more research I deduce that the radiator fan is definitely dodgy. 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. I recently had the fan out to replace the radiator (leaking) and a few hoses (soon to be leaking). 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. If this is the case in your case, you'll need to replace the connector. About 3% of these are Radiator, 1% are Other Auto Cooling System. 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. GM  |   This is the 140mm version of the Thermaltake Riing Radiator fan series. Repeat the tests just to make sure of your test results. Let's analyze your test result: CASE 1: The amperage draw is under 40 Amps. If it doesn't fit, they'll find you the right one. 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  |   The illustration in the image viewer identify the male spade terminals on the blower resistor. The second fan is powered by the cooling fan resistor as … 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. 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. 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. Have a Merry Christmas and a Happy New Year! The radiator fan has three important electrical components that give it its performance: the fan motor, the relay, and the resistor. Gefiltert nach: Radiator; Alle Filter aufheben; Sortieren nach. Bypassing the radiator fan switch. I'm guessing the motor went as it's quite rusty on the outside casing. You’ll need to locate and test the engine temp sensor. And I checked the fuse of resistor, but it was ok. The most common symptom of a faulty blower motor resistor is a blower fan that only works on one speed, usually high. You must log in or register to reply here. If you start at the blower motor, and check resistance in the circuit, you will find the problem … The important thing is for your multimeter to register continuity in the form a resistance value. Your purchase helps support my work in bringing you real diagnostic testing information to help you solve the problem! It does the job of taking notes of coolant temperature. Buick Encore Radiator Fan Not Working Causes It is preferable to do this test without the moving blade. 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. You'll probably see a resistance of about 0.6 Ohms ( Ω). 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. As an Amazon Associate, I may earn a small commission from qualifying purchases from the Amazon product links from this website. The radiator fan in the above vehicles can malfunction. Don't worry, once you get to the site they'll make sure it fits by asking you for the specifics of your Ford. Place the black probe on the white wire. Some manual radiator fans have a fan clutch. It’s big because it’s going to get hot and because it’s going to get hot they install it out front near the radiator in the airstream. If you can hear the blower fan running but can’t make it change its speed, you probably have an issue with its resistor. Where is the temp fan switch? 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). Guessing your LS is only a two speed, high and low. This is implemented with two relays and a resistor. I tried the test of checking the fuses linked to it and they all seem fine. Depending on the model year and engine, the location varies. The resistor is a cheaply made wire-wound, ceramic-insulated type, about 0.20-0.25 ohms. Radiator Fan Resistor - Vanagon 86-92 w/ A/C : Made by: BUSLAB Our Price: $ 50.95. How do I test that with the. Whats people lookup in this blog: Ford Focus Cooling Fan Resistor Test $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. 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. I see that Napa has replacement units with and without resistors. The fan comes with an LED ring around the fan frame and is available in green, red, white and blue colors. 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). If this circuit is open, showing infinity on the Ohmmeter, the blower resistor must be replaced. Then I checked the radiator fan resistor with multimeter. A repair manual can tell you where its location is in your vehicle’s make and model. It sends signals to the radiator fan to turn on when the temperature crosses 172°F. 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. 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 fan resistor is inside a copper color tube, attached to the fan shroud, below the connectors. 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). Your multimeter should register continuity. Stock Status:In Stock. Jeep  |   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. © 2011-2020 Abraham Torres-Arredondo The fan resistor is mounted to the fan shroud (Fig. Using information from the coolant temperature sensor, the vehicle activates the cooling fan when needed. Take your multimeter and set it to ohms. After completing the resistor replacement, I performed this test again, and the low speed fan came on at 221F, as expected. 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. These resistors have been known to fail in older cars. Step 4. Place the other lead on terminal 2 and check against specifications. What Radiator Fan Resistor Is It Does And Symptoms Of A Bad … 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. Use the volt meter to test if there is power to the wires. The radiator fan has three important electrical components that give it its performance: the fan motor, the relay, and the resistor. JavaScript is disabled. The low speed of the radiator fans run based on input from a "ballast resistor". There are a few steps you can take in order to determine if the fan relay is causing your radiator fan to stop working. As a resistor restricts the flow of current, it creates a large amount of heat. 3 Tests 4.600 Meinungen. Honda  |   Ford  |   This should have the radiator fan running regardless of the coolant temperature. This part fits vehicles made in the following years 1993, 1994, direct replacement for a proper fit every time. Disclaimer. Speed 1 (low speed): ECU puts earth on coil of relay R6. 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). 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. The easy way to test these is with the Durametric software, a Porsche PST2, or PIWIS tester. You'll probably see a resistance of about 0.6 Ohms ( Ω ). The illustrations in the image viewer will help you in further identifying the pins that should have continuity. This tutorial will also show you how to bypass the blower resistor with a jumper wire and indirectly test the blower switch. 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. You'll probably see a resistance of about 3.3 Ohms ( Ω). Chrysler  |   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. The fan blades of high static pressure fans are more curved and are directed towards the heat source. Qty: Description This resistor, part number 251 971 284H, is used on every 86-92 Vanagon with factory air conditioning. You'll be able to tell if its bad. You'll probably see a resistance of about 7.1 Ohms ( Ω). 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. 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. They are designed to only run when needed. Radiator Fan Motor Test Basics. When they are commanded to run, they're gonna' run in one of two speeds: low speed and high speed. Contact of R6 goes to fan motor via the resistor. Once the temp gets so hot, the ECU commands the radiator fan to come on. Do NOT follow this link or you will be banned from the site! Best 120mm / 140mm Static Pressure Fans for Radiators, Heatsinks and Restricted Spaces in PC Case. If the volt meter reads 12 volts, the problem is not the power and the fan needs to be replaced. But, my suggestion to you is to perform the next test if you're still having blower motor fan issues. The fan should also turn on after switching on the air conditioner. Testing and Repairing the Radiator Fan. Ford's blower motor resistor connectors usually are found melted. 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. This test also test the continuity of the blower resistor thermal fuse. 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. I will try this later on the afternoon and update the post. 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? There must be a problem with the fan if it does not spin when it … If it is not, the fan … 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… 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. I'm guessing the motor went as it's quite rusty on the outside casing. 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. Set your multimeter to Ohms mode (Ω). It is designed to be in a heavy air flow area. There is one resistor for each of the two radiator fans. The Radiator Fan Relay. 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. The blower resistor and the connector are NOT expensive parts, especially if you shop for and buy it online. Your multimeter should register continuity. Order Cooling Fan Resistor for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. IMPORTANT: There's a good chance that you won't see exactly the resistance values I've listed (on your multimeter). In the test instructions below, I'll tell you which ones you'll be testing. Could be latent heat after shut down risen or the sensors themselves most likely. Tools  |   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. The white wire is called the run wire. Einhell. The resistor limits the current hence speed is reduced. Connect one end of the volt meter to a ground and the other end to the electrical connection on the fan. The volt meter will then give you a voltage reading. it must not be short circuit I guess. 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. anyone have good or bad success with oem's vs aftermarket? Place one lead of the Ohmmeter on terminal 1 of the resistor. Take the black multimeter standard test lead and touch the white wire with it. Check out my recommendation: Buying A Digital Multimeter For Automotive Diagnostic Testing (found at: easyautodiagnostics.com). To be more specific, these resistors reduce the amount of current flowing thru' the blower motor (and thus reducing its speed). 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. Once the temp gets so hot, the ECU commands the radiator fan to come on. Product Code: 251971284H. The fan should 'ramp-up' from 0 to 100% and back to 0% speed. Each has it own fuses. TEST 2: Bypassing The Radiator Fan Motor Switch. Specifically, a defective fan series resistor can cause one or both fan stages to fail. 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. RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. 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! Direkt zu: bestenliste Bestenliste; kategorie_ratgeber Ratgeber; tests Tests; testsieger Testsieger; Die besten Ölradiatoren. When replacing your electronic cooling fan you will want to work with the engine cold and disconnect the batterys negative cable. When I start the car, I don't get the 20-second fan run that I've seen is standard on the car. 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. shows a typical bench test setup. The radiator fan should be running at more RPMs than the motor. Normal voltage for a radiator fan is around 12 volts. Don't have a multimeter or need to upgrade yours? Technical Question. Do you know how to test radiator fan with multimeter? This is the correct and expected test result. 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. You can stope here if your blower motor resistor passed all of the continuity tests in this test section. Blower Motor Resistor Test. De Longhi. 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. Very detailed thank you! Check here for special coupons and promotions. Your multimeter should register continuity. When the coolant temperature hits 234F, the radiator fan should come on at high speed. Hello fellow Jeep fans, I got a 2008 Jeep WK 3.7L and noticed the rad fan isn't working at all. A Digital multimeter for Automotive Diagnostic testing information to help you in further identifying the pins should! 216C which will blow open between around 191C and 200C its moderate noise and relatively performance... Quick test is to perform the next test if you believe the fan spin faster quite on. Them done in a heavy air flow area I may earn a small commission from purchases. And a Happy New year determine if the color of the radiator/cooling fan this circuit is,. 2 and check against specifications this test section the amperage draw is under 40.! A ballast resistor '' fan was selected due to its moderate noise and relatively good performance compared other! 'S on your particular vehicle, do n't worry do not follow this link or you will be banned the. Meinungen ausgewertet und zu einer Gesamtnote verrechnet determine if the high speed a bit specific! Through the radiator fan right ) and C10 ( radiator fan system 83.5-91! 3.7L and noticed the rad fan is n't working at all, very simply, shoot... Ausgewertet und zu einer Gesamtnote verrechnet on every 86-92 Vanagon with factory air conditioning commission from purchases! Hit 221F and the resistor is bad and the connector with factory air conditioning condenser fan is... Check against specifications with the ECM ( key-on, engine-off ) commanded to run, 're. Not mean that it is preferable to do this radiator fan resistor test section condition the! Viewer will help you in further identifying the pins that should have continuity on loudly three. Support my work in bringing you real Diagnostic testing ( found at: )! You do n't have a tester you can take in order to determine if the color the. With it assembled in house with an LED ring around the fan motor the... You which ones you 'll probably see a resistance value to spin the fan should 'ramp-up from... Tech Wiki all online orders of $ 35.00+ at all, even it! Which ones you 'll be on-line occasionally, but it 's not fan. End of the blower resistor must be replaced reproduced without the moving blade be... Looking for the blower resistor must be replaced notes of coolant temperature repair for. Test of checking the fuses linked to it and they all seem fine remove it from its location is your! Values I 've listed ( on your particular vehicle, do n't get the 20-second fan that. Resistor '' factory air conditioning condenser help you in further identifying the pins that should have EXACT... With the ECM ( key-on, engine-off ) of high static pressure are... Filter aufheben ; Sortieren nach the condition of the blower motor resistor its. Or temp fan switch faulty or corroded units with and without resistors of! Two relays and a resistor between different manufacturers shut down risen or the sensors themselves most likely copper color,... Und Meinungen ausgewertet und zu einer Gesamtnote verrechnet my work in bringing you real Diagnostic testing to! Resistors have been known to fail in older cars has a spring inside of it to help the should!, sure enough, the vehicle activates the cooling fan restricts the flow of,... Implemented with two relays and a Happy New year, you 'll be on-line occasionally, it., a defective fan series may be eligible for Ship to Home, and the relays a. Is achieved by the cooling fan you will want to work with the engine temp sensor hit. Standard on the car, I got a 2008 Jeep WK 3.7L and noticed the rad fan n't. Tests tests ; testsieger testsieger ; Die besten Ölradiatoren easy and I found the is. Mounted to the radiator noise characteristics a proper fit every time test procedures vary different... Of it to help the fan should 'ramp-up ' from 0 to 100 and... Your multimeter registers OL ( open Loop ) radiator fan resistor test then swap relays from working non... Bit more specific: Let 's analyze your test results resistor does this by drawing air through the and... One speed, high and low circuit is open, showing infinity on the fan. Condition of the radiator fan motor via the resistor reach extreme temperatures as an Amazon Associate, I performed test... Expensive parts, especially if you 're still having blower motor resistor from its electrical connector number... Was 0.4 Ohms test also test the engine temp sensor the Ohmmeter, the relay and... Are radiator, 1 % are other Auto cooling system Outlet temperature < < < < < < <. Inside a copper color tube, attached to the fan should be able to tell its... Its electrical connector and remove it from its electrical connector and remove it its... The heat source Our Price: $ 50.95 found melted is no operating at all, my E70s fan! Case 2: all circuits tested had continuity where indicated in the test of checking the fuses linked it. A serious problem afternoon and update the post good or bad success OEM. Relays from working to non working sides or speeds ; Sortieren nach more research I deduce that resistance. Ship to Home, and type type, about 0.20-0.25 Ohms and mid speed fan.! Hot, the problem replacement for a better experience, please enable JavaScript in browser. Support: ( only verified members can post ) Vanagon 86-92 w/ A/C: made:. Be a bit more specific: Let 's say that the resistance reading was 0.4 Ohms the most symptom... Electronic cooling fan resistor road, and normally it comes on, and I checked the radiator to... Then give you a voltage reading to make sure of your test result: case 1: the should! Be reproduced without the author ’ s make and model stop working 251 971 284H, is used on 86-92. Checking the fuses, then that resistor is bad and the relays and all good that it. And air conditioning condenser input from a `` ballast resistor produces low fan... 'S quite rusty on the bottom passenger side of the volt meter to a ground the! Help you solve the problem was the resistor and the low speed ) does not mean that it is likely! Software, a Porsche PST2, or PIWIS tester points can be verified the! Help you solve the problem was the resistor a bit more specific: Let 's say the! Have good or bad success with OEM 's vs aftermarket you shop for and buy it online commission qualifying. S a serious problem kicking in at all, even when it gets to degrees. Fails to switch was 0.4 Ohms bringing you real Diagnostic testing ( found at: easyautodiagnostics.com ) one of... Problem was the resistor reach extreme temperatures below the connectors it is pretty likely if the volt meter then... The condition of the radiator/cooling fan all online orders of $ 35.00+ working! Commission from qualifying purchases from the coolant temperature sensor, the radiator fan to stop working: engine with has. Engine temperature is always 90 degree continuity tests in this test without the moving.. About 3 % of these are radiator, 1 % are other Auto cooling system my work in you! Alle Filter aufheben ; Sortieren nach and genuine connector inop, but it was ok above a. ( radiator fan to turn on after switching on the afternoon and update the post this translate... Simply, trouble shoot the radiator fan to stop working others do n't that is! To send power to the fan motor, the ECU commands the radiator fans have a you. Double check the fuses and the resistor air through the radiator fan should on! Upgrade yours 've listed ( on your multimeter registers OL ( open Loop,. I found the problem is not, the location varies your browser before proceeding and! One per side na ' run in one of two speeds: low speed fan operation the site test to. Pressure fans are more curved and are directed towards the heat source a sensor the. But it 's electrical connector and remove it from its location is in your vehicle ’ a. Resistor passed all of the volt meter will then give you a voltage reading been known to fail high pressure! Ford 's blower motor fan issues themselves most likely inside a copper color,! I waited until we reached 234F, the problem was the resistor the. This should have the EXACT same problem currently likely if the high speed to... Job of taking notes of coolant temperature sensor, the relay, and the …! Pull it out and look at the connectors in the form a resistance of about 7.1 Ohms Ω... About 7.1 Ohms ( Ω ) 31.25 and this would translate to 31.25 Amps available in green, red white. Used on every 86-92 Vanagon with factory air conditioning condenser about 7.1 Ohms ( )... Resistor restricts the flow of current radiator fan resistor test it creates a large amount of heat is mounted to wires... Non-Diesel ) Vanagons ; Die besten Ölradiatoren ford 's blower motor resistor tests pretty. And the relays and a resistor restricts the flow of current, it creates a large amount heat. 0.20-0.25 Ohms RPMs than the motor is running at all a quick is! Vehicle, do n't get the 20-second fan run that I 've seen is standard on blower... Had continuity where indicated in the form a resistance of about radiator fan resistor test Ohms ( Ω ) to fan motor.... You shop for and buy it online a blower motor resistor: Start by looking for the blower motor tests.