Just the other day I decided to document one repair and take some pictures of the failed parts. This may be a faulty blower control. These to things do the opposite of each other, but they have one part in common. The motor should run at full speed. A failed blower motor resistor can cause issues with the operation of the entire heating and air conditioning system. My guess is I knocked something loose or broke something, the resistor or something else. i just bought a 99 wrangler 4cyl 5 speed, and the blower motor is not working. Upgrade Car Audio System Guide For Beginners, Check Engine Light Blinking- The Complete Guide For Car Owner. ‘HI’ is the only blower speed that doesn't depend on the blower resistor to function. 2001 Ford Expedition V8 Automatic I have read up on this and cant find any specifics close enough to be sure. High blower speed has direct power to the motor from the switch. Especially if the original blower motor was manufactured by Bosch. Blower motor just quit working. I went ahead and replaced the blower motor resistor and cabin air filter, but it … My blower works on settings 1,2 and 3 in my Saturn Vue but no temperature change. This is usually the case after a blower resistor failure on one or more speed settings. A couple screws later and the resistor is out and unplugged from the blower motor. Now it gets just a tad more intricate. BLOWER MOTOR DOES NOT RUN AT ANY SPEED 2000 Models 1. Buick Lesabre Blower Motor Only Has High And Low Speeds, Buick Winshield Washer Pump Motor Not Working, No Heat In My 2000 Chevrolet Malibu – Blower Not…, 1999 Olds Alero Blower Motor and Security Light, 2006 Chevrolet Impala Shifter Stuck In Park, 1999 Oldsmobile Cutlass Engine Light and Transmission Problems, 2001 Chevy Silverado Brake Pedal Soft And Goes To The Floor, Location And Replacing 3.1L Cam Position Sensor, Oil and Coolant Mixing In Engine- Pictures, Chevy Impala Engine Overheating- Common Causes And Repair. You know how to check these things now though and also how to fix them. It is actually pretty uncommon for the motor to go out itself before something else and you normally have a warning when it is about to fail because it will start running poorly and squeak or slow down and things, but sometimes blower motors do go out. it does not work on any fan speed or setting. Sounds like either the blower motor is bad, or the wiring connection at the blow motor. You know that the most common issue is a blown a fuse, but also sometimes the speed control module can go out if you have a variable speed motor. A fuse is a small wire inside of a connector that is used to protect the motor itself from a surge of electricity. There have been many attempts at redesigns to the resistor and wiring…even sometimes adding a control module to the resistor assembly to help regulate voltage and cause less heat to the electronics inside. Lastly, you know if all else fails, then the motor is probably bad and needs to be replaced. A quick check with a test light can determine failure. Testing begins at the HVAC fuses in the driver’s side fuse box that is located behind the dash end cap. Another thing that is tied to bad fuses is bad relays. If you are not familiar with how electricity works, basically it comes down to this…resistance causes heat. Any ideas. If the blower motor doesn't turn on, follow the next section to replace the blower motor. You can locate the fuse to your blower motor. Have spare motor that I know works plugged it in and it didn't work. Two days ago the blower motor on my 2014 ED quit. All the blower speeds should be functional and the customer smiling again! It doesn't work on any speed. If the speed control module goes out, then the motor will not run. If you have a reading, then connect one lead to the power terminal on the motor and the other to the ground. Required fields are marked *. blower motor does not work, on any speed, - Chevrolet 1992 Cavalier question Any help is appreciated? If it does, then your probably is solved. After connecting with heat shrink connectors, it’s all good to go. If you can’t get the motor to run with these troubleshooting tips, then you will need to replace the motor because it is most likely dead, but do these other things first. If it does run at full speed though, then you know that the issue lies in the blower motor speed controller or the HVAC control head, but you will have to use a scan tool to see which one of those is the problem and then have it replaced. dc8cappie: Winnebago Industries Owner's Forum: 31: 09-07-2010 08:27 AM: heater/ac blower motor high speed not working: Big Newf Dog: MH-General Discussions & Problems: 10: 07-31-2007 08:48 PM: Only high speed working on my dash blower: Ken & Joyce: Winnebago Industries Owner's Forum: 9: 01-14-2007 04:37 … If it is, then you most likely have a dead motor, but if it isn’t, then that is a sign that the motor is not being grounded and you can clean it like previously mentioned.

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