New Blower Motor Resistor Not Working

Common Problems and Symptoms. Services performed and parts replaced : 4x Goodyear Wrangler tires, 2x new batteries, battery hold downs, Starter, 8x glow plugs, motor oil replacement and. The new blower resistor setup is not compatible with evaporator housings designed for the old blower resistor setup or vise-versa. A wiring diagram is a simplified conventional pictorial representation of an electrical circuit. This has happened in the past and replacing the resistor solved the problem 2x in the past but not tonight. Passenger side dash, look at the housing, between the pollen filter door and the blower motor. The blower speed control is on the ground side of the blower fan, so the climate control always delivers power to the motor with the key on, and it applies a ground to the motor by activating a transistor in the blower pack resistor. Save Share. blower motor not working 3 Answers. This is an old thread, but the blower problem hasn't changed. The fan and resistor are both behind the glovebox, a little to the left between it and the center console. 5 weeks of owning it I started having blower motor issues, did some research and saw it was a common problem with the resistor. 00 from Advanced Auto) or the whole blower motor needs to be replaced ($$$$ from. I pulled the blower and put 12v directly to it to make sure it works. Checked all fuses. You must have simple understand of your Titan Blower Motor Resistor that you can find some problem correct in time. You could either have a bad sun load sensor or a bad blower motor. This can be a bad blower motor resistor or a failed speed switch. To me, digging into the dash is not the most entertaining job. 6l blower motor resistor 2006 chevrolet trailblazer ls 4. I would check your fuse panel and relays for the blower motor before buying a new blower motor. When the resistor is bad the blower motors will not turn on. If power is supplied to blower motor through the speed switch and blower motor resistor: Disconnect the electrical connector at the blower motor. 004 milliamp which would not be enough to spin the blower, the resistor will create heat which eventually just burns it's self out, this is why they generally have a heat sink on them so the blow-by air can cool the resistor but over time they eventually die anyway. It can be replaced (soldered in) with a part from Radio Shack for about $1. The fan and resistor are both behind the glovebox, a little to the left between it and the center console. The problem sounds like it is with your blower motor, not your AC system. 2001 Honda Accord, setting 1 & 2 were not working, only 3 & 4. I struggled to remove the cable and used a flat screwdriver to pry it apart, I didn't see any damage. You should take the blower motor out and inspect it and at least change the resistor pack for it. Many problems with heaters not working on lower settings can be traced to a faulty blower motor resistor. Worn blower motor causes repeat blower motor resistor failure. There is a blower fuse in the underhood PDC (fuse/relay) box to check first. Check fuse 40 (30amp) for power on top and bottom side of the fuse. if interested pm me. Next time, the mechanic again replaced the blower motor again and reportedly tightened the electrical. If your blower motor only works on certain speeds or is stuck on one speed, you may have a problem with the blower motor resistor. Hi everyone, 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". That is a common problem on the 1st gen You can apply 12v direct to the blower motor there 2 wires orange + & black - I have repaired many Never had to replace the blower motor the Problem is the harness wire connectors that connect to the resistor are not heavy enough for the amp draw of the blower motor & over time they burn. Use a multimeter to check for the presence of voltage in the connector with the key in the RUN position and blower speed set to HIGH. Here is a copy of it, notice, it says to repair the connector at the resistor. With that said, failed blower resistor assemblies don't solve all of the possible failures. Do it on a warm-ish day so the plastic is a bit more ply-able. Auto shop said I needed a new blower motor for my 2003 Bravada, after they replaced the blower it still did not work properly, said I needed a new resistor. Replaced fuses connected to the blower motor too. run positive and ground jumpers direct from battery to check in blower motor works. I have a 2004 Jeep Liberty and the blower motor fan for the heat and air conditioning over time has gotten weaker and weaker to the point of setting number one not even working anymore. It should come on at full blast if the blower itself is good. Then pry the dashboard up and away. I replaced the blower motor resistor and the control unit with new parts from rockauto (ACDelco). Hopefully that is what the problem is, otherwise I will be headed back to pick up a new blower motor as well for $110. Re: 79 trans am blower motor resistor switch. 1, 2, & 3 not working. I have a problem with the heater motor compartment. If little air is coming through the vents (hot or cold), then it could be because the blower motor for the fan or a switch or resistor that controls fan speed isn’t working. Found many guides to do so, and successfully replaced the resistor (all fan speeds now work great when ignition is turned to [ON]). That is it from the 12v side of the blower motor. Car back fees were just paid off, all thats left is a smog. My 1999 Plymouth Grand Voyager three lowest fan settings stopped working, forcing me to use either the highest or second highest setting. This will cause the blower motor to operate incorrectly or not at all in one or more settings. Or the blower motor doesn't spin freely (or has an internal fault) so it draws excess current and that fries the resistors. replaced blower and cabin filter. AC light & recirc light still light up and AC compressor clutch engages when turning fan on in AC mode, but not getting the fan to work. The car has an LSX crate motor with billet internals, tsp heads, comp cam, V7 blower RPS triple disk clutch, dual nozzle alky kit just to name a few. Next time, the mechanic again replaced the blower motor again and reportedly tightened the electrical. Do you think it’s the motor or the resistor or something else?. Another common symptom of a faulty blower motor resistor is a a blower motor that does not function on certain settings. comes with PKE remote. replaced motor and resistorSearched can you help? The fan speed selector switch can go bad and cause the problem. The resistor (module) is located next to the blower housing and the wiring harness is connected to the blower motor. Here you can see the blower motor, and the resistor off th the left. In some cars, a failed blower motor resistor can cause a heater fan to stop working completely. (search resitor pack) Usually if its the thermal fuse the blower fan will still work on switch position "4"/high. It will have 3 bolts that hold in the motor, to get to one of the bolts you need to take off the control module on the left. Chevy Wiring Diagram Blower Not Working Wiring Diagram Schematics 2001 Chevy Impala Wiring Diagram Inspirational New 2002 Chevy Impala Blower Motor Resistor. Worn blower motor causes repeat blower motor resistor failure. Check your blower relay. Re: 79 trans am blower motor resistor switch. for a B&S motor but the center hole, the outlet in this case is a little smaller, it's maybe 1/2 or 3/4 of an inch, and the screws I'd say are, maybe 1/4 inch, give or take. 1999 Jeep Wrangler. Brand new resistor and motor. Blower fan not working! Fan level 1 and 2 slowly stoped work but did work on level 3 and 4. Step 3 - Check the blower motor. i've been searching the archives, and it seems that if you lose the lower speeds that the blower resistor needs to be replaced. 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. There are several signs that you can look for to tell if your blower motor might be on its way out—for instance, if your HVAC blower does not operate at different speed settings or doesn't work at all, that could be a sign the motor is on its way out. Troubleshooting these is a medium job for someone with the right kind of ammeter and some experience. There is a blower fuse in the underhood PDC (fuse/relay) box to check first. I have a 2012 and the blower motor has stopped working. My FIL said he'd do the work if I can find the part but that he's not too familiar with said part. The resistor is not the same on newer TJ. Thanks for the quick help. So after replacing, and screwing the piece in, now the air only works for 4. I struggled to remove the cable and used a flat screwdriver to pry it apart, I didn't see any damage. Your car's blower motor is not only necessary for the operation of your air conditioner. Forgot to tell you that I initially replaced the resistor. One thing, if you have the ability you could check the amperage draw of the motor to determine it is not drawing an excessive amount. Replaced fuses connected to the blower motor too. 1998 TJ Blower Motor Resistor. Check your blower fuse. I replaced the blower motor resistor module that also did not fix the problem. It is common that when you turn on the fan, the fan keeps working at high speed, but not the slow speed, to show your blower motor resistor is failing. Now it's doing it again and bought new resistor/ blower motor and not getting anything only when I bang on dash. Auto shop said I needed a new blower motor for my 2003 Bravada, after they replaced the blower it still did not work properly, said I needed a new resistor. Worked great for about 2 days than my blower motor slowly started to die, could hear it only running at partial speed and could hear a ticking noise like. I just replaced the blower motor, put in a new a/c heat speed selector switch, replaced the relay, checked the inline fuse under the hood for the orange power wire and checked the blower resistor for continuity. Mercedes blower motor resistor. Refer to the wiring diagram for your vehicle and check for continuity on all three resistors and speed switch setttings. First you'll need to remove some screws on the top of the dash in the Saturn. How severe is a faulty heater blower motor?. Check the voltage at the fan plug, if its less than 12 you've probably got this issue or a blown fuse. Does anyone know where the blower motor resistor bank is located. Disconnect the blower motor electrical connector. If your heater is just working at the high position, chances are that the blower motor resistor is not working properly. So, I Bought a new blower/motor and replaced it and only speed 5 would work after the replacement on my now 2nd bmrp replacement. Here's a pic of the resistors Which fan speed you choose determines which resistor gets "used" by the voltage coming from the relay. It has 2 wires at the motor neither is hot when the car is running and the heater fan is on high. Make it a habit to check your fuse for connections when looking at your blower motor resistor and your car A/C system. Check fuse supplying fan is not blown, Check blower control switch is operating OK, Check relay controlling fan is operating OK, Check variable speed resistor pack is not faulty (the resistor pack is usually located in the blower ducting, in the blower airflow), Check blower motor ground connection is not missing. And the blower motor for my air conditioner on my outback isn’t working correctly some days it’ll blow Some it won’t. While blower motor resistor failure isn’t. Brand new resistor and motor. It will work one minute then just stop. It should come on at full blast if the blower itself is good. If you have faulty blower motor resist. Can you offer any other suggestio. Forgot to tell you that I initially replaced the resistor. The only thing left after blower motor, resistor, and fuses is the fan selector switch. We use cookies to give you the best possible experience on our website. Blower motor ran for about 10 sec then stopped. The resistor block is only in circuit for: LOW, MED1 and MED2. Tried to edit post but 10 minutes had expired. The resistor works in conjunction with the motor and system to control the speed and therefore volume of air moving through the system. There are three screws that hold the blower motor in, two in the front that are easy to get out, and ine in the back up against the floor that is a real pain to get, you will need a screw driver that is about an inch long. It’s hard to say exactly what part of the heating and cooling unit is causing the problem, and your mechanic will have to get in there and inspect it before giving you an accurate estimate. Hi, Most likely the blower motor resistor pack has failed. The module is Item #16 in diagram. SYMPTOMS OF A BAD BLOWER FAN MOTOR RESISTOR In this video we will explain the symptoms of a bad blower motor resistor. It will work one minute then just stop. Check fuse 40 (30amp) for power on top and bottom side of the fuse. Check the voltage at the fan plug, if its less than 12 you've probably got this issue or a blown fuse. The blower resistor is connected in series to the blower fan motor. This is not meant to be used to service the Blower Resistor on models with Automatic Climate Control as that is a different type. Im replacing things as Im going along on this project. I inspected and found no burned or melted wires anywhere , at the inside three way dash switch , at the blower motor and at the resistor. The circuit breaker is resettable. Collection of 2006 chevy silverado blower motor resistor wiring diagram. Either pull or push on it to unclip and simply rotate the blower to remove it. Disconnect the wiring connector from the blower motor to make sure there isn’t any corrosion or connection issues. You should see battery voltage (12+). The blower motor resistor pack has a thermal fuse which can blow. The highest setting doesn’t blow very strong. You can check the current at the fuse for the blower. I pulled the blower and put 12v directly to it to make sure it works. This is a guide for repairing the Blower Motor Resistor on a Volvo 850/S70 with manual A/C. The blower resistor is connected in series to the blower fan motor. then try a new resistor and see if that fixs the problem since it is not controlled by a module if it don't then it may be in the switch some say they are the same it's just in the controls but they are wrong cause the controls and everything is different between the systems but if you really have manual controls something is not right cause all caddies have auto on the 03 up. You can also just get a new motor, or retrace your steps. If your fan spins but not on all speeds check the resistor really easy to remove and carried at most part stores. Last week I discovered that my heater blower is only working on speed #4. I have a 2004 Jeep Liberty and the blower motor fan for the heat and air conditioning over time has gotten weaker and weaker to the point of setting number one not even working anymore. Can you offer any other suggestio. carexportamerica. Still not working. If you bypass EVERYTHING and jumper the 2 wires coming out of your fan, it should spin at high speed. So I replaced the resistor, nothing. run positive and ground jumpers direct from battery to check in blower motor works. Replacing the power module will most likely fix the issue but you should check the motor current after you replace the module. You can also just get a new motor, or retrace your steps. Blower fan not working! Fan level 1 and 2 slowly stoped work but did work on level 3 and 4. If your fan spins but not on all speeds check the resistor really easy to remove and carried at most part stores. Thus, if the blower motor continues to run with the HVAC control module powered down (both said fuses removed), the blower motor control processor module is probably at fault. Replacing a BMW E46 blower resistor is a pain in the neck…literally. The new blower did not work either. The blower motor works only on high mode, the lower modes do not work and also its affecting the daytime driving lights when blower speeds is used. Take it out and re-solder all 5 plug contacts on board. Nothing happened after I tried a new regulator on the old blower. Proceeded to replace the blower motor but didn't work. its a pain to get out. It is mounted to the the blower housing near the blower motor. A common symptom of a failing final stage unit is the blower motor not operating in accordance to how the controls are set, as if the blower “had a mind of its own”. Check your blower relay. The resistor (module) is located next to the blower housing and the wiring harness is connected to the blower motor. Nothing works on 1-2-3 levels From what I gathered, it seems that the issue would be the resistor. Fast forward to 5 days ago the fuse popped again under the hood for the 3rd time. Since them i have replaced both the blower motor as well as the blower resistor neither of which has solved the problem. And the blower motor for my air conditioner on my outback isn’t working correctly some days it’ll blow Some it won’t. 00 at this link. Or the blower motor doesn't spin freely (or has an internal fault) so it draws excess current and that fries the resistors. If the motor is drawing too much current than it normally should, it will cause the module to fail again before it normally would. Tried to edit post but 10 minutes had expired. I would check your fuse panel and relays for the blower motor before buying a new blower motor. Check fuse 40 (30amp) for power on top and bottom side of the fuse. A couple screws later and the resistor is out and unplugged from the blower motor. Sale of vehicles in the domestic market was 1,444,541 units as compared to 1,305,351 units in the previous year showing an increase of 11 percent. 1A Auto shows you how to repair, install, fix, change or replace a bad or broken blower motor fan speed resistor. I had the same problem, fan speeds quit except 5. The problem is most likely your blower motor resistor! This little fiberglass board uses a series of progressive resistors to regulate the motor’s speed throughout the switch range. We use cookies to give you the best possible experience on our website. This is a discussion on Heater Blower Motor Resistor on 2002 Trans Am within the General Help forums, part of the LSx Technical Help Section category; I give up. blower motor not working 3 Answers. EDIT: Here are a few more. 3l blower motor resistor 2006 kia rio lx 1. Checked all fuses. If you have faulty blower motor resist. All three (blower motor, blower motor resistor, blower motor resistor connector) needed to be replaced. Nothing happened after I tried a new regulator on the old blower. re: for that go to the dealer for the resistor and/or reistat. The blower motor resistor pack has a thermal fuse which can blow. I just replaced the blower motor, put in a new a/c heat speed selector switch, replaced the relay, checked the inline fuse under the hood for the orange power wire and checked the blower resistor for continuity. Do you think it’s the motor or the resistor or something else?. Driving car with heater on, out of the blue, it stopped working. I checked all the fuses before replacing. However, if the only speed the fan is missing is the high setting than the likely cause of the problem becomes the high-speed relay. Depending on what kind of car you have, it should be a pretty simple fix. Plugging the resistor back in, plugging the motor into the resistor but the motor fails to work. While blower motor resistor failure isn’t. It will work one minute then just stop. This video is applicable to the 00, 01, 02, Chevy Suburban or Tahoe 🔧 List of tools used:. A wiring diagram is a simplified conventional pictorial representation of an electrical circuit. If you're a big fat dude, it'll be a real PITA. Features include: https://www. Some Blower Motor Fan Speeds Not Working This one has been a big issue over the years. 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. If the motor shorts and there is no airflow, this resistor will get hot. You can also just get a new motor, or retrace your steps. 5 weeks of owning it I started having blower motor issues, did some research and saw it was a common problem with the resistor. Here are the instruction from the service manual to replace the amp. Resistor 15-80521. Had a Heck of a time finding it. I would focus my attention more on the blower motor, Item #20 & test as previously advised. I have a 2012 and the blower motor has stopped working. Water intrusion into the air inlet, high moisture in the air or a clogged cabin air filter will make the blower motor work harder, draw higher amperage and ultimately overheat. The fan and resistor are both behind the glovebox, a little to the left between it and the center console. it kinda looks like this thread has derailed and is way off topic but to answer the very first question about the blower motor, if the blower motor is making noise when it is on it needs a new blower motor. 2005 Night Armor Xterra OR. When my Blower Motor started fluctuating in speed, replacing the Final Stage Resistor solved the problem. You could replace just the resistor, but if the blower is defective, the resistor will fail again in a short time. If your car is in need of a new resistor, you want to shop from among the best blower motor resistors for cars and trucks to find the ideal option for you. We use cookies to give you the best possible experience on our website. The blower motor resistor was a little rusty. Replaced fuses connected to the blower motor too. The highest setting doesn’t blow very strong. All power to blower passes through it, and that's where different speed settings are converted to different voltage by "wasting" the extra power to heat. So my issue still remains with the blower only pushing out heat at random times. A faulty resistor loses power at different positions on the switch. com Diesel, Duel fuel tanks (40 gal total), Ice cold AC, PS, PB, HD Rear, AM/FM/CD, Sliding rear window, Window tint, Clean interior, Trailer brake controller, HD Trailer receiver, Clean title. Blower Motor Resistor for 2005-2007 Grand Cherokee WK and 2006-2007 Commander XK. It could be dead. IE this goes through the resistor, then out the blue/black to the fan. How severe is a faulty heater blower motor?. The blower motor circuit is fused before the ignition switch; with you not saying anything about other things not working it likely isn’t a fuse. It is highly likely that your new motor will spin when connected directly to 12V. I think that is a resistor, but I do not know where he is, please tell me a solution! Thank you! Moderator EDIT: Identical post from Electrical moved and merged. 2l blower hair professional turbo blower motor resistor ford blower gas blower fan blower motor resistor 2005 chevrolet silverado 1500 ls 5. IT is located under the plastic blower assembly under the glove box and new to the blower motor. While blower motor resistor failure isn’t. Your motor may be the part at fault, or you may be having problems with your blower motor resistor or a connector. Once you've inspected the switches as well as the resistor, there could only be one more reason why the blower motor isn't working an that is the actual blower motor has failed. The 2007 Chevrolet Colorado has 6 problems reported for blower motor not working properly. If little air is coming through the vents (hot or cold), then it could be because the blower motor for the fan or a switch or resistor that controls fan speed isn't working. Blower motor ran for about 10 sec then stopped. 00 from Advanced Auto) or the whole blower motor needs to be replaced ($$$$ from. Everything work there too. The 2007 Chevrolet Colorado has 6 problems reported for blower motor not working properly. Going to have a 2-4 inches of snow on Thursday, would really like to have the heat working by then. The problem is that it works sporadically - typically doesn't work on the coldest days so getting to work can be an adventure. re: for that go to the dealer for the resistor and/or reistat. There are several signs that you can look for to tell if your blower motor might be on its way out—for instance, if your HVAC blower does not operate at different speed settings or doesn't work at all, that could be a sign the motor is on its way out. So, I Bought a new blower/motor and replaced it and only speed 5 would work after the replacement on my now 2nd bmrp replacement. Troubleshooting these is a medium job for someone with the right kind of ammeter and some experience. I then pulled the blower motor out of dash and determined there was power to the plug at the motor. That is a common problem on the 1st gen You can apply 12v direct to the blower motor there 2 wires orange + & black - I have repaired many Never had to replace the blower motor the Problem is the harness wire connectors that connect to the resistor are not heavy enough for the amp draw of the blower motor & over time they burn. Checked all fuses. woodchuck2, Dec 15, 2010 #8. The fan and resistor are both behind the glovebox, a little to the left between it and the center console. Blower Not Working (New Blower, Resistor, Good Fuses) 2 Answers. I sent the motor that I just bought back as it wasnt a clip style like the resistor took. The lower fan settings (1~4) does not work. Blower fan not working! Fan level 1 and 2 slowly stoped work but did work on level 3 and 4. Research on the internet points to it being a faulty Blower Motor Resistor. Not as common as the other way around. So, I Bought a new blower/motor and replaced it and only speed 5 would work after the replacement on my now 2nd bmrp replacement. there is a sensor in the airconditioning duct work by the motor under the hood. If blower runs, it is more than likely the blower motor speed resistor just rear of the passenger side of engine. unplug blower motor. The ground or negative is the lower blade. front blower was bad. What would I do? 1. hi i have a 03 ford focus ZX3 its actually my mothers. the thing is it may show 12v but may only have. Carpet is in Excellent shape. Remember that it’s possible for the blower motor to fail itself. for a B&S motor but the center hole, the outlet in this case is a little smaller, it's maybe 1/2 or 3/4 of an inch, and the screws I'd say are, maybe 1/4 inch, give or take. It was a cold 35 min ride to work this morning. It is common that when you turn on the fan, the fan keeps working at high speed, but not the slow speed, to show your blower motor resistor is failing. If your Mustang blower motors are not working, making noises, or not blowing like it use to it may be time to replace the blower motor assembly, speed switch, or wiring harness. Driving car with heater on, out of the blue, it stopped working. If the blower motor doesn't work at all, you probably have a defective relay. I've checked the. Look for a 10 ga red wire that goes to a connector in the alternator harness that should be to the left of the carb when you are looking at it from in front of the car and see if the connector looks like it is melted or discolored and you have probably found the problem. Removing the Resistor is fairly easy, (if you are an agile midget) as it is held in with one screw. Some blower motor resistors are often suspected of not working when usually, it's the fuse that doesn't work. The blower motor resistor was a little rusty. If your blower motor only works on certain speeds or is stuck on one speed, you may have a problem with the blower motor resistor. 2 weeks ago my car stopped blowing air all together. If the blower fan was dead, I dont think it would spin up and probably make some weird noises when it does spin. I replaced the blower motor resistor and the control unit with new parts from rockauto (ACDelco). Going to have a 2-4 inches of snow on Thursday, would really like to have the heat working by then. Still not working. not a real expensive fix as it is not an oem part. In some cars, a failed blower motor resistor can cause a heater fan to stop working completely. Since the blower motor and resistor are working almost constantly, it can wear out over time. the resistor only controls the ground going to the blower motor and has nothing to do with how the blower motor sounds. Mercedes blower motor resistor. I replaced the blower motor resistor module that also did not fix the problem. After a month or two, it may burn your new resistor out. Recharged with Artic Zone and now get a reading as low as 47. Second I bought the new resistor, plugs and connectors. Be careful to not break all that high quality Subaru plastic. I think a better fix would be an updated resistor with a large male spade on that terminal and a new connector to match. Blower motor ran for about 10 sec then stopped. Can you offer any other suggestio. I inspected and found no burned or melted wires anywhere , at the inside three way dash switch , at the blower motor and at the resistor. The problem sounds like it is with your blower motor, not your AC system. If the circuits are in good repair but the blower motor keeps blowing fuses, replace the blower motor [source: You Fix Cars]. Your motor may be the part at fault, or you may be having problems with your blower motor resistor or a connector. A proper diagnosis is highly recommended if you are uncertain of the issue. 004 milliamp which would not be enough to spin the blower, the resistor will create heat which eventually just burns it's self out, this is why they generally have a heat sink on them so the blow-by air can cool the resistor but over time they eventually die anyway. You literally have to cut it out. Features include: https://www. Find your fuse panel and check the fuse for the “blower motor” or “vent fan” or something like that. Now it's doing it again and bought new resistor/ blower motor and not getting anything only when I bang on dash. i didnt see a relay anywhere i looked in the owners manual didnt see anything about a relay for blower motor either. There's a clip on the opposite side of the resistor pack holding the blower on. it kinda looks like this thread has derailed and is way off topic but to answer the very first question about the blower motor, if the blower motor is making noise when it is on it needs a new blower motor. The resistor block is only in circuit for: LOW, MED1 and MED2. The blower power module should be mounted on the HVAC housing behind the glovebox door or in the passenger footwell area. Answer: Could you please give me a little more info. :nerd Personally, I replaced mine when it stopped working and that solved the problem. Heater fan blower does not work period. Be careful to not break all that high quality Subaru plastic. Check the voltage at the fan plug, if its less than 12 you've probably got this issue or a blown fuse. Please use a voltmeter/DVM to check the two motor wires. Check for 12 v (+) power side and ground side (-) at the underdash blower motor. 1997 Pontiac Grand Prix. If something shorted across the entire resistor it could cause the blower to be on high all the time, but that is very unlikely. Forgot to tell you that I initially replaced the resistor. Here's a pic of the resistors Which fan speed you choose determines which resistor gets "used" by the voltage coming from the relay. The only thing left after blower motor, resistor, and fuses is the fan selector switch. So after replacing, and screwing the piece in, now the air only works for 4. Blower works on some speeds but not others. Car back fees were just paid off, all thats left is a smog. I got a new blower and before removing the old blower I just plug the new one in. Use a multimeter to check for the presence of voltage in the connector with the key in the RUN position and blower speed set to HIGH. Hopefully that is what the problem is, otherwise I will be headed back to pick up a new blower motor as well for $110. Looks like the Gen 3 cars have a different set up than Gen 2, with the control module integrated on the back (bottom) of the blower motor, so I don't think there is a stand-alone part available. Not as common as the other way around. the resistor only controls the ground going to the blower motor and has nothing to do with how the blower motor sounds. One part of your Nissan Titan is the Blower Motor Resistor. blower motor not working 3 Answers. (Again, with 12V direct it works just fine). the blower motor isnt working. 1997 Pontiac Grand Prix. Hopefully, the blower motor simply blew a fuse. Heater fan blower does not work period. I then pulled the blower motor out of dash and determined there was power to the plug at the motor. To me, digging into the dash is not the most entertaining job. You literally have to cut it out. 2004-2014 Ford F-150 Blower Motor Resistor Replacement. HVAC Blower Motor Resistor. Still will not run. It is responsible for controlling the blower motor's fan speed. Fast forward to 5 days ago the fuse popped again under the hood for the 3rd time. The lower fan settings (1~4) does not work. After about 1. Since I telecommute from home, I've not been subjected to a lot of cold driving days. The resistor is not the same on newer TJ. for a B&S motor but the center hole, the outlet in this case is a little smaller, it's maybe 1/2 or 3/4 of an inch, and the screws I'd say are, maybe 1/4 inch, give or take. It was a cold 35 min ride to work this morning. If it is the first time replacing the blower motor you'll have to spend money on the blower motor bracket kit since GM decided to semiperminantly attach the blower motor to the dash. Also check the blower resistor which mounts in the blower housing. You must have simple understand of your Titan Blower Motor Resistor that you can find some problem correct in time. What would I do? 1. Common Problems and Symptoms. On the top is a small hole. Check the voltage at the fan plug, if its less than 12 you've probably got this issue or a blown fuse. I test the new blower by running it off the battery. Remember that it’s possible for the blower motor to fail itself. Checked the fuses of course, still doesn't work. However, other factors can cause the blower motor resistor to fail prematurely. While doing those speed 5 tests with the blower not working, I popped 4, 40 amp fuses in the process. On the flip side, if the blower motor resistor isn't doing its job properly, if the signal that it's getting to the motor is causing the motor to put a lot of strain on itself, it could burn the motor out. Remove the blower motor and cup from the lower case by cutting through the case between the circular ribs around the motor with a sharp utility knife. The car has an LSX crate motor with billet internals, tsp heads, comp cam, V7 blower RPS triple disk clutch, dual nozzle alky kit just to name a few. Since the blower motor and resistor are working almost constantly, it can wear out over time. Average failure mileage is 58,100 miles. Carpet is in Excellent shape. Here you can see the blower motor, and the resistor off th the left. Since them i have replaced both the blower motor as well as the blower resistor neither of which has solved the problem. If your car is in need of a new resistor, you want to shop from among the best blower motor resistors for cars and trucks to find the ideal option for you. PASSIVE KEYLESS was restored at great cost, works perfectly. So I replaced the blower motor resistor with a brand new one. if you do have a blower motor problem try sending a 12v direct source to it and see if it turns on. Now it's doing it again and bought new resistor/ blower motor and not getting anything only when I bang on dash. 2l blower hair professional turbo blower motor resistor ford blower gas blower fan blower motor resistor 2005 chevrolet silverado 1500 ls 5. Heater, unit, rhd. 2004-2014 Ford F-150 Blower Motor Resistor Replacement. (Again, with 12V direct it works just fine). So I bought a brand new resistor from Nissan. 5 weeks of owning it I started having blower motor issues, did some research and saw it was a common problem with the resistor. the red base was all black like it heated up I don't know what would of caused it other than the part failing. If there is power indicated on high blower speed, but not low or mid range, the problem is the blower resistor. This means that the current running through the blower motor, and thus is speed is controlled by the resistor value. By bypassing the blower pack resistor, the motor runs. Do it on a warm-ish day so the plastic is a bit more ply-able. 2004-2014 Ford F-150 Blower Motor Resistor Replacement. So I bought a brand new resistor from Nissan. Take it out and re-solder all 5 plug contacts on board. Anyone have any idea of how to get the blower. You literally have to cut it out. unplug blower motor. Here's a pic of the resistors Which fan speed you choose determines which resistor gets "used" by the voltage coming from the relay. The problem sounds like it is with your blower motor, not your AC system. Hopefully, the blower motor simply blew a fuse. Also check the blower resistor which mounts in the blower housing. I have a problem with the heater motor compartment. Next time, the mechanic again replaced the blower motor again and reportedly tightened the electrical. should be a button on one end. Use a small nail/ paper clip and insert into hole and press inward to reset breaker. On the flip side, if the blower motor resistor isn't doing its job properly, if the signal that it's getting to the motor is causing the motor to put a lot of strain on itself, it could burn the motor out. I sent the motor that I just bought back as it wasnt a clip style like the resistor took. The heating and A/C system on your car is considered a. Also there seems to be a relay behind the dash in the A/C controls area or near the evaporator area that can go bad and kill the blower. Can you offer any other suggestio. Find your fuse panel and check the fuse for the “blower motor” or “vent fan” or something like that. 2 weeks ago my car stopped blowing air all together. Now it gets just a tad more intricate. The car has an LSX crate motor with billet internals, tsp heads, comp cam, V7 blower RPS triple disk clutch, dual nozzle alky kit just to name a few. Does anyone know where the blower motor resistor bank is located. If the blower motor is no longer working on any speed, we have two main potential faults. maybe im missing it? anyways i have no power. While doing those speed 5 tests with the blower not working, I popped 4, 40 amp fuses in the process. Worked great for about 2 days than my blower motor slowly started to die, could hear it only running at partial speed and could hear a ticking noise like. The blower resistor (also known as the “final stage”) for the E46 3 series was mysteriously buried by BMW engineers in the passenger side footwell at the back of the. It is mounted to the the blower housing near the blower motor. A wiring diagram is a simplified conventional pictorial representation of an electrical circuit. On the top is a small hole. 589,991 million in the previous year showing an increase of 19 percent. The blower motor resistor is around 30 to 50 dollars and is readily available at your local auto parts store. i didnt see a relay anywhere i looked in the owners manual didnt see anything about a relay for blower motor either. Normally when the blower module fails, it will not cause intermittent blower function. Hello dear! My name is Dmitry, I'm from Moscow! My car is 1998 Cadillac Seville STS. If the resistor shorts or fails, it may cause the blower motor to remain stuck on one fan speed. Last week I discovered that my heater blower is only working on speed #4. Either pull or push on it to unclip and simply rotate the blower to remove it. Hi, Most likely the blower motor resistor pack has failed. If your car is in need of a new resistor, you want to shop from among the best blower motor resistors for cars and trucks to find the ideal option for you. It was a cold 35 min ride to work this morning. Blower works on some speeds but not others. There is a blower fuse in the underhood PDC (fuse/relay) box to check first. Collection of 2006 chevy silverado blower motor resistor wiring diagram. Blower motor does not work on certain settings. It can be replaced (soldered in) with a part from Radio Shack for about $1. 1999 Jeep Wrangler. The high position is not managed by the resistor, so since the blower was working at high, I knew the switch was good. Your car's blower motor is not only necessary for the operation of your air conditioner. side kick panel and follow the wiring to it. Problems with a blower motor resistor are common in many cars. The outside AC unit and the gas heater seem to be working but the blower fan (below the inside furnace unit) will not move. I inspected and found no burned or melted wires anywhere , at the inside three way dash switch , at the blower motor and at the resistor. See full list on chevroletforum. Troubleshooting these is a medium job for someone with the right kind of ammeter and some experience. Does anyone know where the blower motor resistor bank is located. FWIW the WSM calls for removal of the accelerator pedal to R&R that component. A common symptom of a failing final stage unit is the blower motor not operating in accordance to how the controls are set, as if the blower “had a mind of its own”. When the resistor is bad the blower motors will not turn on. The heating and A/C system on your car is considered a. Either the resistor needs replacement ($25. But recheck them any way it’ll be of a higher amperage 40 or 50 amp in the under hood fuse panel. 004 milliamp which would not be enough to spin the blower, the resistor will create heat which eventually just burns it's self out, this is why they generally have a heat sink on them so the blow-by air can cool the resistor but over time they eventually die anyway. Only the high fan settings (highest or highest two) work. Blower Motor Resistor Removal - YouTube. The resistor block is only in circuit for: LOW, MED1 and MED2. Can you offer any other suggestio. Replacing a BMW E46 blower resistor is a pain in the neck…literally. Step 3 - Check the blower motor. replaced blower and cabin filter. Replaced both blower motor and resistor with new parts. Unplugged the resistor and found water in the connector and water coming out of the resistor!!! Dried everything out, put a new resistor in, even a new blower motor. Replacing the power module will most likely fix the issue but you should check the motor current after you replace the module. as a blower motor ages and wears, it can draw more current—more current than the blower motor resistor was designed to handle. The new blower did not work either. This can be a bad blower motor resistor or a failed speed switch. When my Blower Motor started fluctuating in speed, replacing the Final Stage Resistor solved the problem. By bypassing the blower pack resistor, the motor runs. go to a new blower motor and replace it. Check the voltage at the fan plug, if its less than 12 you've probably got this issue or a blown fuse. If your heater is just working at the high position, chances are that the blower motor resistor is not working properly. You could replace just the resistor, but if the blower is defective, the resistor will fail again in a short time. 2004-2014 Ford F-150 Blower Motor Resistor Replacement. Sometimes corroded connectors will cause the failure. Blower Motor Resistor for 2005-2007 Grand Cherokee WK and 2006-2007 Commander XK. If your Mustang blower motors are not working, making noises, or not blowing like it use to it may be time to replace the blower motor assembly, speed switch, or wiring harness. Troubleshooting these is a medium job for someone with the right kind of ammeter and some experience. Re: 79 trans am blower motor resistor switch. Maybe the my new blower just went bad after 2 weeks, but I thought that was unlikely. On the top is a small hole. Since Ive had the car, the heat and a/c havent worked right anyways. replaced blower and cabin filter. Some Blower Motor Fan Speeds Not Working This one has been a big issue over the years. The blower resistor (also known as the “final stage”) for the E46 3 series was mysteriously buried by BMW engineers in the passenger side footwell at the back of the. If the blower motor is no longer working on any speed, we have two main potential faults. On the manual system there's a component labeled "Blower Motor Resistor" under a 4-pin connector plugged into the [EDIT -] driver's side of the HVAC plenum just below the motor itself (about 7 o'clock position relative to the motor). Cruise and A/C work. 2004-2014 Ford F-150 Blower Motor Resistor Replacement. There's a clip on the opposite side of the resistor pack holding the blower on. This can be a bad blower motor resistor or a failed speed switch. 00 from Advanced Auto) or the whole blower motor needs to be replaced ($$$$ from. How severe is a faulty heater blower motor?. 2nd, tested the voltage at the plug that goes into the blower motor module. So I bought a brand new resistor from Nissan. Check your blower relay. A malfunctioning blower motor resistor will cause the blower motor not to work. I looked all around the blower. After a month or two, it may burn your new resistor out. Blower motor does not work on certain settings Another common symptom of a faulty blower motor resistor is a a blower motor that does not function on certain settings. We use cookies to give you the best possible experience on our website. The lower fan settings (1~4) does not work. Blower works on some speeds but not others. Could be an easy couple dollar fix. Removing the Resistor is fairly easy, (if you are an agile midget) as it is held in with one screw. 00 at this link. Problems with a blower motor resistor are common in many cars. O'Reilly Auto Parts has replacement blower motor resistors to fit most cars, trucks and SUVs. 1, 2, & 3 not working. I changed the front blower motor and resistor and the rear resistor too from my 2001 grand caravan. Blower Not Working (New Blower, Resistor, Good Fuses) 2 Answers. Ford blower motor resistor problems remain the most common solution to interior fan malfunctions on Ford cars and trucks. It's not an expensive part and not a difficult DIY, just an ergonomic challenge. After about 1. Most resistors will fade only leaving high fan speeds left. I had the same problem, fan speeds quit except 5. The blower motor circuit is fused before the ignition switch; with you not saying anything about other things not working it likely isn’t a fuse. - unplugged the fan motor resistor - start motor, an error message appears and disappears - switch engine off and remove contact key - put switch back on place, start motor, all working as before. I have read the posts about the resistor and I think I located it near the throttle pedal mounting location, right up against. Replaced both blower motor and resistor with new parts. It is located in the air duct next to the blower motor, it screws into an opening on the side of the duct. Ford service parts literature lists the transistion date from the old style blower resistor and electrical connector to the new style setup as 12/06/05. I struggled to remove the cable and used a flat screwdriver to pry it apart, I didn't see any damage. Problems with a blower motor resistor are common in many cars. 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. Many, many times a car or truckwill come into the shop with the customer complaining that their blower motor doesn’t work, or only works on high speed, etc. Average failure mileage is 58,100 miles. After a month or two, it may burn your new resistor out. Im replacing things as Im going along on this project. In each case there should be continuity. Help! Fan quit working on all 4 speeds. The blower motor works only on high mode, the lower modes do not work and also its affecting the daytime driving lights when blower speeds is used. Brand new resistor and motor. The trouble is that regardless of the commanded speed the far right vertical bar is always feeding the blower motor. I just replaced the blower motor, put in a new a/c heat speed selector switch, replaced the relay, checked the inline fuse under the hood for the orange power wire and checked the blower resistor for continuity.