How To Bypass Blower Motor Resistor


We know we have to replace the 3 items in that line (blower motor, resistor and plug) however we are looking for a way to safely bypass the resistor for a few days while we. The staff all advised that they are a hot item that they can't keep in. Disconnect the wire harness connector from the blower motor resistor. Ametek-Motors Motor 116472-00, 5. You can also get to the blower motor by removing the lower parcel shelf and pulling on the plastic clip that holds the. Depending on the motor, you should get a reading of 20 ohms or. Response From The Electric Connection: This is the correct part for your truck. Standard Motor Products RU109 Blower Motor Resistor Features: Standard is a global manufacturer of original equipment ignition products, complete quality control is maintained through the manufacturing process from componentry to finished product A premier manufacturer serving the automotive aftermarket since 1919, we deliver the highest quality and best coverage to meet your ignition needs. You can test the relay w/ a multi-meter or bypass it to see if that is indeed the problem. I replaced the blower motor and resistor about 6 months ago do to the known water leak with the seal below the windshield. You may want to check it with an ohm meter. They often break for what seems like no reason and are expensive to fix. Dakota Fan problem. part This is an O. The trick is getting the resistor out. However, most car makers bypass the blower motor resistor completely when you move the fan speed switch to high. About a month ago, my blower stopped working on certain speeds, then it quit working all together. If your blower is on high all the time, no matter which speed setting, then the problem is probably in the front A/C control unit. Where To Buy The Blower Resistor And Save. A working Honda Odyssey Blower Motor Resistor is indispensable for summer driving comfort. do your self a favor. On most full-size GM trucks and SUVs from 2001-2007, the blower motor resistor has two common failure modes: water damage and excess heat. Currently tracing out the wire path to try to bypass the Resistor/power relay/rheostat to determine if the fan motor itself is dead or just resistor. We have Crown Automotive Blower Motor Resistor Repair Harness For Sale you need, all on one website. part This is an O. Testing the Voltage Output of the Blower Switch on the Heater Control Panel. A worn or weakened blower motor may not be able to provide adequate airflow to properly regulate the cabin temperature, and may also be approaching the end of its service life. There is no other way to tell. On many vehicles, the blower motor resistor, which comes as a module that connects to an electrical wire and is mounted near the blower motor, is accessible by removing the glove box or checking. as you may be aware I had a dealer from this country whom imports parts from America to here ordered the part from you. If the light comes on or you have a 12 volt reading, the resistor and wiring are okay and the blower motor is faulty. If the blower motor still works on high, but will not work on any other speed, it usually points to a bad blower motor resistor. The mechanic told me i needed to replace the blower motor and resistor and would cost $700. Remove the bottom and side carpetting and you should have the visibility of the resistor mounted towards the base of the exposed area. I have a 2005 R53 JCW and I believe it is plagued with the well documented resistor issue. The most common symptom of a failed blower motor resistor is when the heater fan only runs at the highest speed setting (4 or 5) and doesn't work at low speeds. For some reason RAVE have the resistor pack on the right hand side, its on the right hand side, with the lid removed there is one screw holding the pack on, remove this and the pack will come away from the blower motor, disconnect the multi-plug and remove the resistor pack. The blower motor resistor pack has a thermal fuse which can blow. It can be replaced (soldered in) with a part from Radio Shack for about $1. This means that the current running through the blower motor, and thus is speed is controlled by the resistor value. If everything is OK with the blower switch, on the A/C Heater control panel, the blower motor should run as you bypass each blower speed (in the indicated test steps below). Another possibility is that your speed selector switch is defective. The part pictured is the blower motor resistor that determines blower motor speed. I changed the blower motor and it didn't fix the problem. Didnt use to have that problem until I had to replace the blower motor resistor two years back. Usually when they go, you'll loose the lower speeds. I then (with resistor in place still) checked the 2 pin connector for the blower for voltage. Mar 10, 2019 - By Dr. 9L does not work. I never knew they checked that. Normally closed allows power from the relay pack to the blower motor,. Chrysler Blower Resistor Parts. Worn blower motor causes repeat blower motor resistor failure. (Wiggle the blower motor connector to see if it starts up. Buy PartsSquare HVAC Blower Motor Resistor & Harness Compatible with Buick Rainier 2004-2007 Replacement for Chevy Trailblazer, GMC Envoy, Oldsmobile Bravada 02-09 Fan Resistor 89019100: Blower - Amazon. For this test go to: TEST 2: Using A Jumper Wire To Bypass The Blower Resistor. Please try again later. Blower Motor Resistor Testing. 2) Blower only works on certain speeds or only on high. In, fact, this occurrence happened to him not once, not twice, but. part This is an O. My car finally failed VA inspection for no defrost. The blower is working off of 12v and the resistor is connected to the ground side of the motor, the resistor is connected to the speed switch. The blower motor resistor regulates the air conditioning and heating system fan controls. The circuit for the car has a 4 way switch that directs the power through three, two or one resistors with a bypass for full power on the DC motor. If voltage is present, the motor is faulty. I really wanna know what happens. Finally went in to replace the blower motor resistor that went out over the summer, because its getting frosty in Oklahoma now and I need the defroster to work. When the Front Fan Speed Switch (X247) is turned to position III, the Front Blower Motor Relay (K192) remains energised. The user chooses a suitable fan speed by using a selector to connect one of the resistors in the blower resistor pack. The resistor is held in by two screws and has one electrical connector that plugs into it. I have a 2002 Durango SLT and my blower motor resistor wiring harness connector just burned up. If you have power at the receptacle, check motor with the ohm meter to see if the windings are open by placing the meter leads on each side of the plug end (people confuse this term with a household receptacle) or cord end. Cobalt - blower motor on my 2008 cobalt will not turn on - hey guys, gals, The blower motor on my 2008 Cobalt stopped working about a week ago. The most common symptom of a failed blower motor resistor is when the heater fan only runs at the highest speed setting (4 or 5) and doesn't work at low speeds. I see the 3rd wire going in I'm guessing is a logic wire possibly. 1, 2, 3 and 4 to control fan speed. If the blower motor still works on high, but will not work on any other speed, it usually points to a bad blower motor resistor. This is where I am. 0 out of 5 stars. The blower resistor is connected in series with the blower fan. Didnt use to have that problem until I had to replace the blower motor resistor two years back. Which fan speed you choose determines which resistor gets "used" by the voltage coming from the relay. The blower motor resistor can be easily tested with a set of simple multimeter resistance tests (especially since it's very accessible). If your blower only operates. 0L DX LX Gas L4 Switch Protege HVAC Fan ES. 2003 Honda Odyssey HVAC Blower Motor Resistors Save up to 40% on original replacement 2003 Honda Odyssey maintenance and repair parts. It should have 12v hot with the key in the run position. C5B: rewire a new dark green cable to the blower motor (trough the firewall) C6A: rewire a new light green cable to the resistor C7: rewire a new tan cable to the resistor C8 & C9: take the connector which comes from "A/C and Heater resistor bypass switch" and just plug it in (this cable is still existing). The blower motor resistor is used to control the speed of the HVAC blower fan. Car is throwing no codes. Tap to zoom Click or tap to zoom. In some cars, a failed blower motor resistor can cause a heater fan to. I replaced the blower motor and resistor about 6 months ago do to the known water leak with the seal below the windshield. I would disconnect the blower motor and check pin drag at the blower motor pins. The red goes direct to fan and the orange comes from the loom to put power into the resistor. Ground is now applied to the Front Blower Motor (M101) through one resistor of the Front Blower Resistor Unit (Z214) and the Front Fan Speed Switch (X247). The blower motor resistor controls the electrical current flowing from the fan switch to the blower fan, which allows motorists to set the fan at different speeds. Can you bypass blower resistor in 2000 ford focus? I'm not a mechanic, but I do believe if you bypass the resister you will only have high speed on the fan. PASSAT B6 BLOWER RESISTOR PACK. These would be the wires going TO the resistor. The second screw is inside the housing - pull back the rubber sleeve between the blower and the air duct. if he blower operates medium speed, he may have wired in a resistor as well. The blower motor doesn't seem to be getting enough power with the updated resistor, and there is no updated blower motor, please help?. Actually I had to rig up some electrical tape to cover the top of it as that piece of plastic that spans across UNDER the white connector on the motor was broken, and speed 3 would stop working when the cover was installed. Blower Motor Control Module / Resistor Choose for Me to Minimize Cost Choose for Me to Minimize Cost Related Parts Blower Motor Connector Blower Motor Relay Heat & Air Conditioning Repair Manual. Having a problem with my 1986 300E blower motor. Low will be all the resistor, med will bypass the low resistor, and high would bypass the low and high resistor and so on depending on how many speed steps there are. From John: If you have ATC & the blower doesn't work, it could be related to that. I have a 99 Buick LeSabre I have obtained for a parts car. If your a/c or heater blower motor is not changing speeds or changing speeds on its own this very likely the issue. Disconnect the negative and positive power supply. The overheating damage to the connector is a result of excess current flow caused by the blower motor failure. Has your heater blower lost the "low" fan speed setting? If so, you probably need to replace your blower motor resistor. I see the 3rd wire going in I'm guessing is a logic wire possibly. The mechanic told me i needed to replace the blower motor and resistor and would cost $700. Using a 1/4 inch drill, carefully drill a hole in the side of the plastic plenum about one inch to the bottom-left of the resistor and slightly above the bottom, sufficient to allow you to maneuver the spray tube of the can so as to spray toward the driver-side of the plenum. if it has no power and the motor doesnt run, the motor is bad. 102 degrees in Texas heat is no fun. We’re sure you will get the right product to keep that Tacoma running for a long time. Signs You Need a New A/C Resistor Your climate control system is working, but not on all settings. 2000 Honda Odyssey HVAC Blower Motor Resistors Save up to 40% on original replacement 2000 Honda Odyssey maintenance and repair parts. The blower motor in my truck wont start when its below -30 outside. (search resitor pack) Usually if its the thermal fuse the blower fan will still work on switch position "4"/high. Wifes blower quite working yesterday and am a little confused after doing some troubleshooting. We tested the old motor, it works!! Then we plugged in the old motor, and Dad grounded the old motor with the silver bolt on the side--it worked!! So, what is wrong with the motor??. In some cars, a failed blower motor resistor can cause a heater fan to. My buddy told me that my blower motor is not coming on because of a ground issue. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Four Seasons. It can be replaced (soldered in) with a part from Radio Shack for about $1. Authorized part Fits various ametek-motors models OEM part Number 116472-00 This is a Ametek-Motors replacement part Part Number 116472-00 This is an O. In most modern cars, the blower motor resistor or the control module are installed inside one of the ducts in the HVAC system, close to the blower motor. If OK, repair the wire harness circuits between the blower motor switch and the blower motor resistor or blower motor as. My 46 psi seemed low to me with the resistor bypassed, as when I was only running one pump I was getting 35 psi at idle, so naturally I should have seen at least 60. Page 1 of 2: How to Test the Blower Motor Resistor (GM 4. com offers 324 resistor for mitsubishi products. I have tested the blower motor itself and it works fine. If the blower doesn't work after you tap on it, then it's probably not closing to send the signal to the resistors. I have been looking around to see if there is a "step-by-step" on how to remove and replace the blower motor resistor on a Mazda 3 2010 The fan only turns on when I am on "4". Ok so I took the blower motor out tonight and hooked it up to a battery and it spun perfect, there's nothing wrong with it, so then we tested the blower motor resistor plug that goes from the resistor to the blower motor and there was 12v at first and then we hooked everything up while holding it and the blower motor did nothing, so we unhooked. Exact fit for all models with A/C. Set the unit so that the blower motor should be energized. If OK, repair the wire harness circuits between the blower motor switch and the blower motor resistor or blower motor as required. Bypass - Answered by a verified Mechanic for Honda. I thought for a moment it could be related to my battery being **** (car barely turns over at -6 degrees), but while the car is running the alternator should power it fine. To test the blower motor, you can run a bypass wire from the tan wire to ground and the blower should start up whether or not the car is on. Underneath the resistors is a bi-metal strip mounted that bypasses the resistor pack and connects full 12v to the blower motor. This fan can get out of alignment and start to make an annoying noise, or can go out completely, leaving you without heating or cooling. The VSC uses MOSFETs in parallel for current and a 555 Timer for pulse modulation. you have to remove glove compartment. In this test step, we're gonna' bypass the blower motor resistor using a jumper wire on the blower resistor's connector. With more than. Any setting you make will not activate the motor, until you bypass the blown fuse. Look for a device with four wires running to it, usually located in the plenum of the heater where it can get some self cooling. If removed, install the resistor. Is there any way I can bypass the blower motor resistor/regulator in temporary time before I can fix it with a new resistor?. If the fan motor now works, the switch is faulty. This is where I am. Currently tracing out the wire path to try to bypass the Resistor/power relay/rheostat to determine if the fan motor itself is dead or just resistor. Authorized part, fits various ametek-motors models, OEM part number 116472-00. Didnt use to have that problem until I had to replace the blower motor resistor two years back. BWD Blower Motor Resistor (2) 5. 5 Ohms and 1 Ohm), two which have burnt out as only two out of four speed positions work. The Dealer wants $700 to fix it. 9L does not work. A Toyota Pickup Blower Motor Resistor regulates the AC and heating device for your car with controlling the blower. Solved problems a source of free find thevenins and nortons equivalent circuits. The part pictured is the blower motor resistor that determines blower motor speed. Authorized part Fits various ametek-motors models OEM part Number 116472-00 This is a Ametek-Motors replacement part Part Number 116472-00 This is an O. How do you bypass engine cooling fan resistor on 2002 the blower fan resistor is located in behind the glove compartment to the left of the blower motor. If everything is OK with the blower switch, on the A/C Heater control panel, the blower motor should run as you bypass each blower speed (in the indicated test steps below). Cut the red wire at the blower resistor and connect it to terminal #30. The blower is working off of 12v and the resistor is connected to the ground side of the motor, the resistor is connected to the speed switch. Having a problem with my 1986 300E blower motor. Any setting you make will not activate the motor, until you bypass the blown fuse. Heater Only We’re going to touch briefly on heater/defroster only to offer insight into how a basic. Those pins become weak and like to spread. The 2002 Dodge Dakota has 4 problems reported for heater resistor pigtail melting or frying harness. Another symptom of a bad or failing heater blower motor is a motor that only functions at certain speeds. com ,the Leading Trading Marketplace from China - AP02 For Cadillac Escalade Chevy Chevrolet Avalanche Suburban Tahoe GMC Yukon 1500 Front Left & Right Shock Absorber w/ Bypass,AP02 HEATER BLOWER MOTOR FAN FOR RENAULT TRAFIC II VAUXHALL OPEL. How to Test Resistors. Our technician can diagnose the fault in your 2000 Volkswagen Beetle and take appropriate action. There is a bad spot on the armature and when the brushes are on that spot, the motor wont operate. The fused +12v goes to the high side of the blower motor. The underhood evaporator housing is different because the manual blower motor resistor and the eatc blower speed controller that mount to the heater box are a different shape and size. Fuse (by passenger left foot) was fine. I checked all the fuses and they are fine. I then (with resistor in place still) checked the 2 pin connector for the blower for voltage. Yep, "only" 46 psi. Testing electronic components (diode, resistor, thermal cutoff etc. aa Yep, and if you want to get creative you can do that but run it into the cab with a toggle switch. The blower motor resistor controls the electrical current flowing from the fan switch to the blower fan, which allows motorists to set the fan at different speeds. Basically, the function of your car's Honda Odyssey Blower Motor Resistor is to regulate the rotation of your car's blower. The a/c or heater doesn't turn on on any of the fan speeds. Re: Infamous blower problem check the resistor on wire leading to switch there known to go out I replaced the one in my wife's 93 xj 3 times they tend to over heat cost $17. IF cleaning it, do not get the blower motor in any liquid. If it does work the motor is fine. It receives the driver demand signal from the HVAC control panel and sends a high current signal to control blower motor speed. Signs You Need a New A/C Resistor Your climate control system is working, but not on all settings. Don't do that. To bypass the blower resistor assembly, all you'll need is a short jumper wire and to know what terminals (on the blower resistor harness connector) to jumper together. We tested the old motor, it works!! Then we plugged in the old motor, and Dad grounded the old motor with the silver bolt on the side--it worked!! So, what is wrong with the motor??. On most vehicles, the highest blower motor speed setting bypasses the blower motor resistor to give the fan full vehicle voltage (typically between 12 and 14. Actually I had to rig up some electrical tape to cover the top of it as that piece of plastic that spans across UNDER the white connector on the motor was broken, and speed 3 would stop working when the cover was installed. Yeah it's gotta be the motor is just drawing too much current. Thanks alpinegeenneon, you are definitely a fantastic addition to the community, and you certainly did your part by buying not one, but two Darts! So it's about as difficult as replacing the cabin air filter, then: straightforward for a blower motor replacement, but a total pain in the butt for replacing a mere filter!. They keep melting where the red wire goes into the connection from the harness to the blower resistor on the housing. Turns out the ignition switch was bad. With more than. I ordered the Blower Motor and Resistor (OEM parts) from RockParts. Buy PartsSquare HVAC Blower Motor Resistor Compatible with Honda Civic 2001-2005 Replacement for Honda CR-V 03-06 Compatible with Honda Odyssey 05-10 Heater Blower Motor JA1452 RU438: Blower Motors - Amazon. How Electric Dryer Parts & Components Work Part 2. is it safe bypass thermal fuse to car heater The stupid thermal fuse has blown in my moms car it go's to the ac/Heater blower speed control. It can be replaced (soldered in) with a part from Radio Shack for about $1. I even replaced magnetic clutch relay (although this was probably not necessary). The circuit for the car has a 4 way switch that directs the power through three, two or one resistors with a bypass for full power on the DC motor. The resistance here isn't exact but it should be between the 1. Vats Bypass 1999 - 2004 Jeep Grand Cherokee Blower Motor Resistor Replacement Harness This is a direct replacement for the harness used on the 1999-2004 Jeep Grand Cherokee with Auto Temperature Control (ATC) If your HVAC blower motor has stopped working or only blows on high speed, a common failure is the wiring connector that plugs into the blower motor resistor has melted and needs to be replaced. The resister was replaced, that did not do it. The staff all advised that they are a hot item that they can't keep in. If all of the tests above are okay and you want to go a step further, place a test light or voltmeter in the wires going to the blower motor. If I'm not mistaken, when on hi the motor is getting a full 12v anyway. So the reduced voltage can then travel on to the blower motor. Hey all I have a 86 vanagon and just replaced the blower motor and once I got it all back together I found it only works on 3 not 1 or 2. (The black wire is usually the negative. I have checked inside the fuse box and it shows power through everything, but as soon as I turn the A/C switch on. Do not pull of any balance clips on the blower wheel. Worn blower motor causes repeat blower motor resistor failure. the resistor and the switch provide ground, so the blue/white wire should have power, and the blue/black wire should have NO power, if it does have power, then most likely the resistor is bad. On many vehicles, the blower motor resistor, which comes as a module that connects to an electrical wire and is mounted near the blower motor, is accessible by removing the glove box or checking. For 1996-2007 Ford Taurus Blower Motor Resistor 19121WK 2000 2001 2002 2006 1998 See more like this Blower Motor Resistor For 96-07 Ford Mercury Taurus Sable ZY51X8 (Fits: 2003 Ford Taurus) API. We’re sure you will get the right product to keep that Tacoma running for a long time. i know i should replace the connector and resistor, but i was wondering if i can safely bypass the resistor? i have kids and need some kind of heat to get me a few days untill i. About a month ago, my blower stopped working on certain speeds, then it quit working all together. Re: Root cause insight into the common BMW blower motor resistor failures: > >> > If the failure is that the blower motor doesn't run at all, they are >> > probably failing open. Your original part is no longer manufactured. And just because you hear the relay snaping doesn't mean it is closing the circuit. Pins 2 through 5 appear to be a 2 or 3 ohm power resistor with multiple taps. Authorized part Fits various ametek-motors models OEM part Number 116472-00 This is a Ametek-Motors replacement part Part Number 116472-00 This is an O. Using an ohmmeter, check for continuity between all of the blower motor resistor terminals. It took several hours to replace the heater motor and/or resistor. 5L blower motor resistor bypass switch The climate control blower on my 1972 4. A Toyota Pickup Blower Motor Resistor regulates the AC and heating device for your car with controlling the blower. At least that's what our local parts department decided this little platinum and jewel encrusted gem was worth. Bad news, the dealership wants over $60 for the part. Get Yours Today! We have the best products at the right price. Can you bypass the blower fan resistor, the resistor for this 1997 lasabre costs $340. MKIII How To Replace Final Stage Resistor The Final Stage Resistor (FSR) Package is located in the Right Hand footwell of the Vehicle. The fuse is what usually blows. You may want to check it with an ohm meter. These would be the wires going TO the resistor. The blower motor resistor/module is under the passenger side of the dash. Turns out the ignition switch was bad. Replaced blower motor resistor, still nothing. In high speed the fan switch activates a relay to bypass the in cab fuse for blower power and draws power from the under-hood box fuse instead. Found many guides to do so, and successfully replaced the resistor (all fan speeds now work great when ignition is turned to [ON]). HVAC Blower Motor Resistor - Repair or Replace If your heater fan or air conditioner blower on blows on high speed or low speed, you might have a failed blower motor resistor. For 1996-2007 Ford Taurus Blower Motor Resistor 19121WK 2000 2001 2002 2006 1998 See more like this Blower Motor Resistor For 96-07 Ford Mercury Taurus Sable ZY51X8 (Fits: 2003 Ford Taurus) API. On most full-size GM trucks and SUVs from 2001-2007, the blower motor resistor has two common failure modes: water damage and excess heat. If the blower motor only works on the last position then replace the blower motor resistor. Murphy ac valve radio the tuning mechanism needed re stringing and apart from replacing low voltage cathode bypass capacitor on output stage inserting a new dial bulb. The blower motor is GM. I ultimately had to replace the blower motor as the old original motor would only work intermittently. Would it be safe to shunt/jumper/short the blower motor resistor, provided I am content with having the fan on full blast? I'd like to fix it right, of course, but: 1. Didnt use to have that problem until I had to replace the blower motor resistor two years back. The resistor is cracked and the contacts are corroded. It should have 12v hot with the key in the run position. A wide variety of resistor for mitsubishi options are available to you, such as fixed resistor, variable resistor. Fuse (by passenger left foot) was fine. Since the blower motor and resistor are working almost constantly, it can wear out over time. You may want to check it with an ohm meter. Order Blower Motor Resistor Connector for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. Since the resistor coils are mounted in the air duct (to help the disipate the heat generated) they are prone to corrosion. Blower Motor Resistor Testing. I have a 99 Buick LeSabre I have obtained for a parts car. I am having a problem with my blower motor on my 2004 Chevy Silverado 1500. Pins 2 through 5 appear to be a 2 or 3 ohm power resistor with multiple taps. Unscrew the plastic flathead screw to the right (towards the door, in the middle of the foam cover). I am having a problem with my blower motor on my 2004 Chevy Silverado 1500. HVAC Blower Motor Resistor - Repair or Replace If your heater fan or air conditioner blower on blows on high speed or low speed, you might have a failed blower motor resistor. Yeah it's gotta be the motor is just drawing too much current. Blower motor resistor in kenworth t800 is located inside cab to the left of glove box. Other than that is a balmy 20 degrees today so we don't really need the heat haa. Another possibility is that your speed selector switch is defective. O'Reilly Auto Parts has replacement blower motor resistors to fit most cars, trucks and SUVs. Hi there Richard I am the gentleman that was enquiring about the class A H shape heater switch (from the United Kingdom) for my RV. I then (with resistor in place still) checked the 2 pin connector for the blower for voltage. How Electric Dryer Parts & Components Work Part 2. If the light comes on or you have a 12 volt reading, the resistor and wiring are okay and the blower motor is faulty. Bypassing or adding a relay to keep blower motor resistor connectors from burning out I have a 2004 Chevy Express van and I am on my 5th set of parts. These are the contents of this tutorial at a quick glance: Basics Of Troubleshooting The Blower Motor Resistor. FYI: The way the fan switch and resistor work to control the fan's speed is as follows: The resistor is in series with the fan motor, limiting the current that flows through the circuit and thus the speed of the fan. The thing was working fine, and was on the high speed setting, when I stopped at a store. I didn't get very far before I had to quit. If it does work the motor is fine. Bypassing or adding a relay to keep blower motor resistor connectors from burning out I have a 2004 Chevy Express van and I am on my 5th set of parts. My buddy told me that my blower motor is not coming on because of a ground issue. Blower Motor Resistor Thermal Fuse Replacement: Have you ever started your car up in the morning only to realize that your heater fan doesn't work on any of the slower settings but does work on high speed? Well, my friend did. StoreFront / Repair Harnesses / GM Vehicles, Buick, Chevrolet, GMC, Pontiac, Olds / HVAC / 4180 Repair Harness ONLY, for Blower Motor Resistor Chevrolet & GMC Trucks '90 and up Previous Product Next Product. The connector appears to be at its upper limit of current carrying capacity required by a new motor and once the blower motor begins to fail the connector is the weak link in the circuit. It should have 12v hot with the key in the run position. Find you a jumper wire of the correct gauge wire and jump the ground side of the blower to a known good body ground and see what happens(key off. In each case there should be continuity. When you switch to high,the blower motor relay coil circuit is grounded and voltage is now applied directly through the relay to the blower motor; bypassing the resistors. Related Test Articles. (I'm not an electrical engineer - but I think that's about as simple an explanation as you can get). 5L is manually controlled from the interior with a 4 position dial switch. The tan wire connects to the spade connector on the resistor. You can also get to the blower motor by removing the lower parcel shelf and pulling on the plastic clip that holds the. I went to area junk yards to see if I could find and replace the part myself. Blower motors can go bad as well, though they usually won't work on start-up, rather than stop working while running. The resistor doesn't look like much - I can't tell if its borked or not. The mechanic told me i needed to replace the blower motor and resistor and would cost $700. 1st Gen Durango - Blower resistor bypass? - 02 Durango SXT 4x4 4. The staff all advised that they are a hot item that they can't keep in. It's pretty easy until you try to get to the mounting screw that's against the firewall/dash/whatever. PASSAT B6 BLOWER RESISTOR PACK. Ease them into the housing with a screwdriver, work gently round all 3 and you'll soon separate the two. See REMOVAL. It may dislodge the brushes, shake some dust out, and let it run quite awhile again. Response From The Electric Connection: This is the correct part for your truck. To test the blower motor, you can run a bypass wire from the tan wire to ground and the blower should start up whether or not the car is on. In this video you'll learn how to find, test, and if need be replace the blower resistor in a 2002 Dodge van. You'll need 10 amps or so to run the motor at full speed. On many vehicles, the blower motor resistor, which comes as a module that connects to an electrical wire and is mounted near the blower motor, is accessible by removing the glove box or checking. Directly connected to your blower switch, your Volkswagen Touareg blower motor resistor adds varying amounts of resistance to the circuit that controls the blower motor. Replace that and you will have fixed the initial problem. Since these resistors aren't the conventional ones we see in electronics, does anyone know if this can be repaired? Thanks guyz. If the blower doesn't work after you tap on it, then it's probably not closing to send the signal to the resistors. if so he probably just picked up 12 volts somewhere around the dash and wired it thru the fuse and switch directly to the blower motor. The blower motor resistor regulates the air conditioning and heating system fan controls. I see the 3rd wire going in I'm guessing is a logic wire possibly. Re: Infamous blower problem check the resistor on wire leading to switch there known to go out I replaced the one in my wife's 93 xj 3 times they tend to over heat cost $17. The connector appears to be at its upper limit of current carrying capacity required by a new motor and once the blower motor begins to fail the connector is the weak link in the circuit. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35. Can you bypass a blower motor resistor on a Pontiac grand Prix 2003. 8L Chevy S10 (GMC S15), is bad, I'll show you how to test it in this tutorial. Troubleshooting. I have a Peugeot 307 and the blower fan has been completely bypassed. How is Dorman able to release hundreds of high-quality new replacement automotive parts every month? A rigorous, best-in-class product development and testing process. In some cars, a failed blower motor resistor can cause a heater fan to. do your self a favor. He also told me that he could do a "manual switch" so the ac would work until I had the money for the repair.