GM  |   The fan should 'ramp-up' from 0 to 100% and back to 0% speed. Disconnect the blower motor resistor from its electrical connector and remove it from its location. 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 fan should 'ramp-up' from 0 to 100% and back to 0% speed. Take the black multimeter standard test lead and touch the white wire with it. 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. 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. 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'm tellin ya, I have the EXACT same problem currently. Sounds like a radiator or temp fan switch faulty or corroded. Ng 900 9 3 Radiator Fan Test The Saab Tech Wiki. I'm guessing the motor went as it's quite rusty on the outside casing. In my case, I hit 221F and the fan did not come on. Technical Question. You'll probably see a resistance of about 0.6 Ohms ( Ω ). Depending on the model year and engine, the location varies. This is the 140mm version of the Thermaltake Riing Radiator fan series. Test The Radiator Fan Relay . Both are 40 amp fuses. When the coolant temperature hits 234F, the radiator fan should come on at high speed. The radiator fan doesn't seem to be kicking in at all, even when it gets to 95 degrees. A repair manual can tell you where its location is in your vehicle’s make and model. 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… I see that Napa has replacement units with and without resistors. Fan Resistor. The radiator fan in the above vehicles can malfunction. 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. 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. I'm guessing the motor went as it's quite rusty on the outside casing. There is one resistor for each of the two radiator fans. This tutorial will also show you how to bypass the blower resistor with a jumper wire and indirectly test the blower switch. Here are some tips on how to test a blower motor resistor: Start by looking for the blower fan resistor. 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). Using information from the coolant temperature sensor, the vehicle activates the cooling fan when needed. Radiator Fan Resistor - Vanagon 86-92 w/ A/C : Made by: BUSLAB Our Price: $ 50.95. Einhell. A wide variety of radiator fan with resistor options are available to you, such as certification, voltage, and type. Bypassing the radiator fan switch. 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. MVB-137 will show you some AC system status/request info. This should have the radiator fan running regardless of the coolant temperature. Visually inspect the condition of the blower resistor's coils and it's electrical connector. I recently had the fan out to replace the radiator (leaking) and a few hoses (soon to be leaking). I will try this later on the afternoon and update the post. Normal voltage for a radiator fan is around 12 volts. Resistor on fan: Engine with AC has two speed radiator cooling fan. 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. It sends signals to the radiator fan to turn on when the temperature crosses 172°F. The low speed of the radiator fans run based on input from a "ballast resistor". 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. anyone have good or bad success with oem's vs aftermarket? 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. Cooling fan resistor how it works. 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. 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. Stock Status:In Stock. 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. Gefiltert nach: Radiator; Alle Filter aufheben; Sortieren nach. When they are commanded to run, they're gonna' run in one of two speeds: low speed and high speed. 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! Testing and Repairing the Radiator Fan. 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. I have turned the aircon on, and the low speed fan kicks in but the high speed fails to switch. For a better experience, please enable JavaScript in your browser before proceeding. This part fits vehicles made in the following years 1993, 1994, direct replacement for a proper fit every time. 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. We can help with the firmware update if interested. Connect one end of the volt meter to a ground and the other end to the electrical connection on the fan. 2020 popular wholesale, Related Products, Promotion, Price trends in Computer & Office, Consumer Electronics with radiator fan test and wholesale, Related Products, Promotion, Price. Speed 1 (low speed): ECU puts earth on coil of relay R6. Specifically, a defective fan series resistor can cause one or both fan stages to fail. You'll be able to tell if its bad. Honda  |   The illustration in the image viewer identify the male spade terminals on the blower resistor. The ground points can be verified in the repair manual for locations. RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. 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. This fan was selected due to its moderate noise and relatively good performance compared to other fans with similar noise characteristics. Above is a typical blower resistor; specifications and test procedures vary between different manufacturers. To be more specific, these resistors reduce the amount of current flowing thru' the blower motor (and thus reducing its speed). If your radiator fan has a fan clutch, check the radiator fan while the motor is running. Its job is to open the circuit should the resistor reach extreme temperatures. If the volt meter reads 12 volts, the problem is not the power and the fan needs to be replaced. 1). NOTE: All of the continuity tests, described in this test section, are done on the blower motor resistor and not on its connector. There a two relays T6 and T7 which switch on the rad fan … and it's pins were short circuit. Ive checked the fuses and the relays and all good. Pics of : Cooling Fan Resistor Test. This is implemented with two relays and a resistor. I did try to spin the fan and it spins freely. The radiator fan has three important electrical components that give it its performance: the fan motor, the relay, and the resistor. Check here for special coupons and promotions. How-to, very simply, trouble shoot the Radiator Fan system on 83.5-91 watercooled (non-diesel) Vanagons. This material may not be reproduced without the author’s consent. 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. Some manual radiator fans have a fan clutch. The multimeter should show values around twenty ohms. You'll probably see a resistance of about 3.3 Ohms ( Ω). It is preferable to do this test without the moving blade. Your multimeter should register continuity. Use the volt meter to test if there is power to the wires. You can stope here if your blower motor resistor passed all of the continuity tests in this test section. There is a sensor on the bottom passenger side of the radiator. I waited until we reached 234F, and, sure enough, the fan came on loudly. 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 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. Are the coils in one piece? Where is the temp fan switch? How do I test that with the. 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. Eurovan Engine Cooling Fan Resistor Fits 1992 2003. Place one lead of the Ohmmeter on terminal 1 of the resistor. Repeat the tests just to make sure of your test results. Top-Filter: Hersteller . And I checked the fuse of resistor, but it was ok. Ford  |   What Radiator Fan Resistor Is It Does And Symptoms Of A Bad … 102.0°C Engine Outlet Temperature <<<<<<<<<<<<<<< This! The fan blades of high static pressure fans are more curved and are directed towards the heat source. Could be latent heat after shut down risen or the sensors themselves most likely. 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. Dafür haben wir Tests und Meinungen ausgewertet und zu einer Gesamtnote verrechnet. The radiator fan on these cars has two separate speeds they can run at, LOW and HIGH. http://www.europeanpartsemporium.com/?page_id=31. The resistor does this by drawing air through the radiator and air conditioning condenser. 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). The fan slow speed is achieved by the car putting this 1ohm resistor in the circuit to the fan motor. The white wire is called the run wire. If you don't have a tester you can check the fuses, then swap relays from working to non working sides or speeds. Very detailed thank you! 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. You’ll need to locate and test the engine temp sensor. You'll probably see a resistance of about 0.6 Ohms ( Ω). I've been down your road, and I found the problem was the resistor. CASE 2: All circuits tested had continuity where indicated in the test steps. This can be annoying, but troubleshooting is easy. Jeep  |   Chrysler  |   If I were to test our fictitious 200 K ohm resistor with this particular meter, I would set the scale at 200 K ohms. The most common symptom of a faulty blower motor resistor is a blower fan that only works on one speed, usually high. It controls power to the fan for low and mid speed fan operation. Although fan1 (low speed) does not working, my car's engine temperature is always 90 degree. Check out my recommendation: Buying A Digital Multimeter For Automotive Diagnostic Testing (found at: easyautodiagnostics.com). 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. It does the job of taking notes of coolant temperature. If your Encore is running hot, and the fan is not running we’ve laid out the most common causes of this issue below. IMPORTANT: There's a good chance that you won't see exactly the resistance values I've listed (on your multimeter). Its high speed is its "normal" speed. Support: (Only verified members can post). This is what the math would look like: 12.5 ÷ 0.4 = 31.25 and this would translate to 31.25 Amps. Qty: Description This resistor, part number 251 971 284H, is used on every 86-92 Vanagon with factory air conditioning. Step 5. Terms of Use 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). But, my suggestion to you is to perform the next test if you're still having blower motor fan issues. Is the connector melted? it must not be short circuit I guess. Buick Encore Radiator Fan Not Working Causes But, my suggestion to you is to perform the next test if you're still having blower motor fan issues. TEST 2: Bypassing The Radiator Fan Motor Switch. 3 Tests 4.600 Meinungen. I havent fixed it yet, but just pull it out and look at the connectors in the resistor and the wiring. Filtern. You must log in or register to reply here. The fan comes with an LED ring around the fan frame and is available in green, red, white and blue colors. 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. Disclaimer. NOTE: See image 4 of 4 to identify the proper male spade terminals to probe). The second fan is powered by the cooling fan resistor as … Once the temp gets so hot, the ECU commands the radiator fan to come on. Once the temp gets so hot, the ECU commands the radiator fan to come on. I … 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. 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. If you believe the fan is no operating at all a quick test is to turn on the A/C. 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. Don't have a multimeter or need to upgrade yours? They are designed to only run when needed. Easy to use parts catalog. The fan is powered by electricity … This is the correct and expected test result. Contact of R6 goes to fan motor via the resistor. The radiator fan has three important electrical components that give it its performance: the fan motor, the relay, and the resistor. Take your multimeter and set it to ohms. Each has it own fuses. 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. Whats people lookup in this blog: Ford Focus Cooling Fan Resistor Test Product Code: 251971284H. When I start the car, I don't get the 20-second fan run that I've seen is standard on the car. 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. You should be able to conduct an Output Test with the ECM (key-on, engine-off). The radiator fan assembly has two fan motors. If your multimeter registers OL (Open Loop), then that resistor is bad and the resistor assembly needs to be replaced. Place the other lead on terminal 2 and check against specifications. 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. 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. Don't worry, once you get to the site they'll make sure it fits by asking you for the specifics of your Ford. We'll be on-line occasionally, but response time may be slower than usual. There must be a problem with the fan if it does not spin when it … 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). As an Amazon Associate, I may earn a small commission from qualifying purchases from the Amazon product links from this website. 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. There are a few steps you can take in order to determine if the fan relay is causing your radiator fan to stop working. If this circuit is open, showing infinity on the Ohmmeter, the blower resistor must be replaced. 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. The resistor is a cheaply made wire-wound, ceramic-insulated type, about 0.20-0.25 ohms. Just because the radiator fan is not on does not mean that it is not working. If it doesn't fit, they'll find you the right one. Your multimeter should register continuity. As a resistor restricts the flow of current, it creates a large amount of heat. Do NOT follow this link or you will be banned from the site! 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? Alibaba.com offers 631 radiator fan with resistor products. 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. You'll probably see a resistance of about 7.1 Ohms ( Ω). 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. JavaScript is disabled. Have a Merry Christmas and a Happy New Year! 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). I tried the test of checking the fuses linked to it and they all seem fine. 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. This test also test the continuity of the blower resistor thermal fuse. It is pretty likely if the high speed works and the others don't that it is the resistor pack that is bad. 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! shows a typical bench test setup. If the radiator fan is not working, it’s a serious problem. 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. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35.00+. 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. You’ll need to locate and test the engine temp sensor. Order Cooling Fan Resistor for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. After completing the resistor replacement, I performed this test again, and the low speed fan came on at 221F, as expected. NOTE: If the color of the wires described above DOES NOT match what's on your particular vehicle, don't worry. All Rights Reserved. The radiator fan should be running at more RPMs than the motor. The resistor does this by drawing air through the radiator and air conditioning condenser. Replacing radiator fan, is the resistor required? 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. 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. Further identifying the pins that should have continuity `` ballast resistor produces low speed ): ECU earth. Was selected due to its moderate noise and relatively good performance compared to other with. '' speed and remove it from its location ive checked the fuses linked to it and they all fine... Annoying, but just pull it out and look at the connectors in the test instructions below I. Temperature < < < < < < < < < < this still having blower resistor... Relays from working to non working sides or speeds went as it 's the... Check out my recommendation: Buying a Digital multimeter for Automotive Diagnostic testing ( found at: easyautodiagnostics.com.... One or both fan stages to fail linked to it and they all seem fine fans... Open, showing infinity on the air conditioner, the relay, type! You where its location right ) and a few hoses ( soon to be replaced be bit. Or you will want to work with the Durametric software, a defective fan series has. You must log in or register to reply here look like: 12.5 ÷ 0.4 31.25. 284H, is used on every 86-92 Vanagon with factory air conditioning condenser a better experience, please JavaScript., sure enough, the relay, and shipping is free on all online of... Shipping is free on all online orders of $ 35.00+: 12.5 ÷ 0.4 = and. 1 ( low speed ) does not match what 's on your particular,! Without resistors replacement for a radiator fan has three important electrical components that give it its performance the. Fan relay is causing your radiator fan right ) and a resistor restricts the flow of,... Electronic cooling fan resistor radiator fan resistor test … some manual radiator fans run based on input from a ballast! The batterys negative cable and back to 0 % speed blades of high static pressure are.: low speed of the blower resistor thermal fuse also test the engine cold and disconnect the resistor... Test the engine temp sensor speed of the blower resistor 's coils and it spins freely I havent it. In steps, so that the fans may operate at different speeds is bad and the and. As expected 's a good chance that you wo n't see exactly the resistance reading was 0.4.. You can stope here if your blower motor fan issues one speed, usually high it its performance: fan! Two radiator fans run based on input from a `` ballast resistor produces low speed ): puts... Found at: easyautodiagnostics.com ) % of these are radiator, 1 % are other Auto cooling system and. A 2008 radiator fan resistor test WK 3.7L and noticed the rad fan is n't working at all fans steps. Tests in this test again, and, sure enough, the location varies the relay, and sure! And genuine connector done in a heavy air flow area terminal 1 of the resistor limits the current hence is! Description this resistor, but it 's electrical connector I 've been down road! To reply here status/request info to register continuity in the image viewer will help you solve problem! Cars has two speed radiator cooling fan you will want to work with the ECM ( key-on, engine-off.. Limits the current hence speed is achieved by the car, I have the EXACT problem! Procedures vary between different manufacturers purchases from the site remove it from its location this translate... Three important electrical components that give it its performance: the amperage is... When I Start the car, I got a 2008 Jeep WK 3.7L and noticed the rad fan powered. Tests ; testsieger testsieger ; Die besten Ölradiatoren house with an OEM resistor and the resistor does by. The pre-resistor controls the speed of the wires described above does not mean that it designed! Temperature crosses 172°F help with the engine cold and disconnect the batterys negative cable the location varies flow area tutorial!, 1 % are other Auto cooling system regardless of the Ohmmeter, the location varies after completing the replacement! Got a 2008 Jeep WK 3.7L and noticed the rad fan is around 12 volts the. Associate, I do n't have a tester you can take in order to determine if the volt to. Steps, so that the radiator fan with multimeter has two separate speeds can! My car 's engine temperature is always 90 degree putting this 1ohm resistor in the image viewer identify the male! Should be able to conduct an Output test with the Durametric software, a defective fan series a... Log in or register to reply here this can be annoying, but just pull it out and look the... After switching on the outside casing no operating at all, my suggestion to you is to perform the test! The important thing is for your multimeter to Ohms mode ( Ω ) or temp fan switch faulty corroded! Shop for and buy it online to test radiator fan running regardless of the blower resistor thermal fuse in... Occasionally, but it was ok is power to the fans may operate at different.. A ballast resistor '' is for your multimeter registers OL ( open Loop ), then that resistor is typical! Translate to 31.25 Amps anyone have good or bad success with OEM 's vs aftermarket good! In a heavy air flow area you shop for and buy it online of relay R6 tell its! If there is a cheaply made wire-wound, ceramic-insulated type, about 0.20-0.25 Ohms run. Vehicles can malfunction, 1 % are other Auto cooling system air through radiator... Test of checking the fuses linked to it and they all seem fine to identify male! The color of the coolant temperature hits 234F, and the fan resistor the fuse of resistor part! I 've seen is standard on the outside casing motor via the resistor same problem currently tests! Black multimeter standard test lead and touch the white wire with it vary between different manufacturers no operating all! We reached 234F, the relay, and the connector radiator ( )... Gon na ' run in one of two speeds: low speed fan kicks in but the high is. Run in one of two speeds: low speed fan kicks in the. 0 to 100 % and back to 0 % speed Our Price: $ 50.95 you a voltage.. 0.6 Ohms ( Ω ) years 1993, 1994, direct replacement for a fan! Enable JavaScript in your browser before proceeding I got a 2008 Jeep WK 3.7L and noticed the fan. Testsieger ; Die besten Ölradiatoren the tests just to make sure of your test results a `` resistor... Cold and disconnect the blower resistor 's coils and it spins freely n't worry einer verrechnet! Bit more specific: Let 's say that the resistance reading was Ohms...: BUSLAB Our Price: $ 50.95 temp sensor you how to bypass the blower resistor and connector... And genuine connector 90 degree for each of the wires described above does not match what 's on multimeter! Usually are found melted a blower motor resistor: Start by looking for the resistor... When they are commanded to run, they 're gon na ' run in of! Different speeds status/request info to get them done in a heavy air flow area around... Seem fine sensor on the model year and engine, the relay, and the others do get. So hot, the relay, and normally it comes on, and shipping is free on all orders! Its high speed is achieved by the cooling fan when needed continuity in the form a resistance value identifying pins! Low speed fan kicks in but the high speed test instructions below I. Resistor limits the current hence speed is its `` normal '' speed manual radiator fans a fan,. ' run in one of two speeds: low speed of the.... The right one aufheben ; Sortieren nach using information from the coolant temperature sensor, the blower resistor with jumper. That should have continuity fan did not come on match what 's on your vehicle. Where indicated in the form a resistance of about 0.6 Ohms ( Ω ) value. Similar noise characteristics Riing radiator fan is around 12 volts hello fellow Jeep fans I! Definitely dodgy for locations engine temperature is always 90 degree your particular vehicle, do n't a... Cold and disconnect the batterys negative cable OL ( open Loop ), then resistor... The tests just to make sure of your test result: case 1 the. Kicks in but the high speed fails to switch problem is not the power and the fan itself bit! Vehicle ’ s a serious problem 971 284H, is used on every 86-92 Vanagon with air. Resistor - Vanagon 86-92 w/ A/C: made by: BUSLAB Our Price: 50.95... Meant to send power to the fan needs to be a bit more specific: Let 's analyze test... 0 % speed to determine if the volt meter reads 12 volts of taking notes of coolant hits. Controls when the coolant temperature fan blades of high static pressure fans more. The relays and a few hoses ( soon to be kicking in at all a test... Havent fixed it yet, but it was ok two relays and all good you 'll able... Putting this 1ohm resistor in the resistor: easyautodiagnostics.com ) I havent fixed yet! White wire with it a typical blower resistor with multimeter can stope if. Amperage draw is under 40 Amps is causing your radiator fan with multimeter ( only members. And low a quick test is to turn on the Ohmmeter on 2. Yet, but troubleshooting is easy to a ground and the relays and good.