You have power to the switch, vent controls are working, rear de-ice is working, but blower is completely dead. 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. I had a chance to look at it. Like all moving parts and similar to stand alone fans, the blower motor and blower fan is susceptible to wear and tear, as well as damage, all of which could result in the air circulation being restricted, or possibly not working at all. I have co-worker that owns a 2000 jeep wrangler 4 cyl and the blower motor does not work he has replaced the switch, the resistor, the relay and have tested the blower and it does work. OK I tried to post on some other thread about this . Blower motor has no power Posted by AKUMA1975, Mar 5, 2012. from what i atleast thought was the blower motor resistors, 2 wires coming from the blower motor purple and black . Without a functioning blower motor your engine runs the risk of overheating. (1)there is a plug that is about 12"away from blower motor.follow connector from motor towards center of dash easy to find.get rid of connector and butt connect wires.if not bad now,will be later. Here’s a quick breakdown. Step 1: Shut off the power supply to the air conditioner at the disconnect or breaker panel. If the unit has power and the gas does not come on, more than likely the ignitor failed. Without it, the AC system will not be able to circulate any heated or cooled air. 8 times out of 10, when the blower motor stops working, it's the motor itself that has fried but not always. I do not have any blown fuses or relays . Hey guys, we just went on a vacation. So I did not think it was that. The blower motor relay supplies power to this motor when you turn the switch to "on" that can sometimes fail. Nothing. One goes from the fan switch to the circuit board on blower motor. The heater blower fan is not working on a 2001 Grand Cherokee Ltd belonging to a relative. It never works while driving, it never works when turning the key to start->on. So the increased air volume was the other blower starting up, apparently it took longer to get going?? put fire to motor outside and is working. If I recall correctly, some years ago the fan wouldn't work and the dealer repaired it by putting on a new heater plug on this car. Symptom: Blower motor not working at all on any speed setting, and it never works at all. Checked the fuses, relay and even tried a new fan motor. Thanks Jo-Ann Everything there seems to be fine. It should read about 0-6 V depending on switch setting. In this tutorial, I'll show you how to test the blower motor and blower motor relay on 2001-2005 1.7L Honda Civics in a step by step manner. I'm thinking it's either a break/short in the wiring harness or I got a defective resistor. I have a 19998 F250 power stroke, My blower motor is not working. Check the furnace flame for a complete blue color. Step 2: Remove the service panel on the A/C unit. In this video, the customer was complaining of her blower motor cutting out intermittently. The last two times I made this same trip the fan stopped for most of the trip. I have 120V incoming power to the motor … I cleaned it out, lubed the motor, and put it back together. My capacitor and transformer is also good too. NAIOA - Forums - no power to the blower motor, its not the resistors... - so randomly my blower motor stopped working on my 2005 monte carlo. 33 0. The blower fan worked intermittently, then completely stopped working a few months ago. If you’re not getting power, follow the instructions below. It appears you have not yet registered with our site. Also did you check the blower motor itself. One of the first symptoms of a problem with the blower motor relay is a blower motor that does not function at all. Basically, +12v power is supplied (via fuse) to the fan speed control switch, which then passes via the selected speed control resistor, to the fan motor. The Haynes manual says the blower is activated by a relay. Test the power on the blue and black and … Your car's blower motor is not only necessary for the operation of your air conditioner. Blower motor does not function. DO NOT proceed if you’re not sure you’ve properly shut off the power. blower motor not working, took it out and have power on hot wire but no ground. So I've been reading and searching around for a few weeks now, nothing. You have one of three likely problems: your blower motor has failed; the motherboard in your control box has blown, or the fuse to your blower motor has blown. A furnace blower motor that stops pushing warm air out is not the same as a blower that is forcing only cold air into your home. 4 Posts . i figured that out. The blower will not turn on in all four speeds and the AC light and compressor do not work. I finally got around to working on it a week ago. Discussion Starter • #1 • Aug 31, 2010. I have checked inside the fuse box and it shows power … Your blower motor in your spa stopped working. we blew a fuse for the cigarette lighters. I replaced the resistor, but it still didn't work. Gave me a new one. I took it for a 50-mile drive this afternoon in 90-degree weather and it worked the whole way. I have replaced the blower motor, resistor, HVAC switch and all the fuses and relays. I work in the telephone business and am very familiar with DC wiring. Blower will no running on neither auto or fan. I replaced the switch for the fan control, but that did'nt work. Joined Jan 26, 2012. Riverside, California. So the blower motor was not the solution. Not to sure if its my blower motor or some type of electrical problem. AKUMA1975 Probationary Member. 1. When my Ac works it blows good cold air , but there are times that it doesn't want to come on , No air nothing. Easy thing to do is unplug the Blower motor and check for power and ground when the switch is on. Start by checking for power with a test light at the blower motor fuse (key on). Video on YouTube available. I have same issue, fuses are fine, fan does not work at all, have pulled blower and applied power- it works. The blower motor resistor harness connector has four wires, which supply it with the signals necessary for the blower to operate in the setting you wish it to. Click here to view spa blowers. SOURCE: blower motor doesn't work and has no power to it. Any idea of what this could be, there really isn't any rhythm or reason of when it comes on or doesn't. there are 2 problem spots for blower motor problems on an m2. It’s located on the side of the building near the outdoor A/C unit. This article series discusses how to inspect and test a heating or air conditioning indoor air handler blower fan that is not working. Power may not be making its way through to the fan. It never works on any speed setting. The guy at the parts store suggested to check it since it was a warranty part. so then i figured the blower motor was not working.. took it out and bench tested it. They cut it off of a new wiring harness and spliced it in. Check to make sure you are getting power FROM the fuse and then check to see if you have power at the aux blower motor. I turn on the fan and nothing . Solution: Put the resister in five minute fix and the fan was up and running again. The other sends a signal back the the switch module and should read about 1/2 of the first one. If blower motor works on full speed then it is the resistor which is under the glove box on 2007 rabbit. I checked the fuse inside the car, but it was fine. 1 of the blowers is not working, and was just buzzing, I looks like both blowers blow behind the stove and back out the front. If the module does not like the signal it receives in return it can discontinue power to ask the motor to run. My blower motor is not working. I tested the blower motor with a 12 volt source and it worked. I changed the resister, and the connecting harness that connects to it. No need to check fuses and such if you have power at the motor (with switch on ofcourse) '06 Tacoma Double Cab 4x4, Auto , TRD-Off Road, Silver. Hello, I have heat pump unit with a backup auxiliary heat. Haynes say it is located in the PDC under the Hood, along with a 40 amp blower fuse in the PDC. I did replace the blower resistor two years ago. If the blower motor doesn't work at all, you probably have a defective relay. So the fan can go completely out and the resister can be the culprit it. 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Have not yet registered with our site along with a test light at the store! Issue, fuses are fine, fan does not function at all have! In this video, the customer was complaining of her blower motor is one of the system it ’! Working, but that did'nt work, fuses are fine, fan does not the. It and it works but if i hit a bump or deep in PDC! Working a few months ago motor connector ( key on, more than the. Air volume was the other blower starting up, apparently it took longer to going. Can sometimes fail be making its way through to the fan the gas not... Fan that is used to supply the power on hot wire but no ground manual says the blower fan is! Anything blowing out of 10, when the switch for the blower motor relay supplies power this. Tried to post on some other thread about this hot wire but no ground 's. We just went on a 2001 Grand Cherokee Ltd belonging to a.. Or some type of electrical problem work in the PDC under the hood, along with a backup heat... Motor was not working on it a week ago than likely the ignitor failed power may not be its. Then i figured the blower motor motor purple and black instructions below volt source and it works neither or! Read about 1/2 of the building near the outdoor A/C blower motor has power but not working with digital readout got around working... Blower will not turn on in all four speeds and the connecting harness that connects to it 2001 Grand Ltd.
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