Auto Parts and Repairs
Heater Cores and Blower Fans

Where can you find directions to replace the fan module for the interior blower fan that pushes the AC and heat?


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2004-10-09 10:01:04
2004-10-09 10:01:04

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Something called a blower control module takes the place and is found in the hole where you would find a blower resistor, so there isn't a blower resistor in that vehicle. As far as the blower control module is concerned, the module is serviced as a unit. No part can be fixed or replaced. This is not to be confused with the control head in the dash. The blower control module is held into the heater box with two 8mm screws outside the firewall under the hood, where you would normally find the blower resistor pack.

i think what you are refering to is a blower staying on all the time, if so the blower motor has shorted the control module, you need to replace the blower motor and control module.

If the fan runs with the HVAC panel shut off, the blower resistor power module has failed.

First remove your door panel and interior lock module modular with T30 screwdriver. Then proceed to remove the window mechanism and your interior panel. A T20 screwdriver to remove the interior panel and lock module from the inside of door. Disconnect your control module and replace with a new.

On the auto temp unit it is called a blower power module.

Take the glove box out then behind it if you listen you can find the blower mtr not all the facts but its how far I got

Open hood . Disconnect blower module located near blower fan. Disconnect, if blower shuts off, repalce module

have you checked fuses and relays? Yes, I actually replaced the blower motor module & that didn't work. The Blower Motor itself spins freely & there doesn't seem to be any electrical issues. Could it be the Blower Motor speed switch??? If so, is that hard to access?

sounds like a defective blower module

There is none - usually it is the module in the top of the heater / blower box (resistor module) that is the problem.

It may only be the resistor pack or the resistor module depending upon your climate control type.

behind the engine, next to the brake booster, a ring of 7mm screws finess it out wriggling it a little. replace the control module at the same time!!

Im trying to figure out how to replace my heater modual in my 2006 gmc, I have the part just need a diagram of where exactly it is located in my truck.

the problem may be the blower control is located under the hood by the blower motor itself,on the right has a wirer connector plugged into it.remove batt connection.then remove module by removing the two small bolts.look at module one of the coil windings will be bad,if so replace module.

The blower motors only work with the engine running. If the blower motor has three wires on the electrical plug, then the blower motor module is built into the unit & it's very expensive. Sometimes, you can tap on the motor with a hammer & it may work or slowly turn. If this is the case, replace the blower motor.

The 2000 Chevrolet Corvette blower motor control module can be found behind the passenger side dashboard. You will need to remove the dashboard in order to access the module.

Remove the HVAC rear module auxiliary assembly.Disconnect the electrical connectors from the rear blower resister auxiliary.Remove the air outlet duct from the rear blower motor controller auxiliary.Remove the screws from the blower motor rear resister auxiliary.Remove the rear blower motor resister auxiliary.Replace the resister and install new thermal gasket.................

Replace blower control module. Usually the fan starts acting erraticaly and eventualy just stops.

If your blower motor is either not turning itself off, or randomly turning itself on with the ignition off (and you have auto climate control), the problem is the blower control module. Located directly behind the blower motor, it takes information from the climate control, and is in charge of turning the blower on/off. To replace the blower control module, remove the splash shield under the passenger side dash (there's 3 plastic retainers hold it in place). The blower control module is located behind the blower motor, and is held in with 3 bolts. The 2 rearmost bolts (by the firewall) only need to be loosened, and the front one removed. The entire unit rotates down and can then be replaced.

The front blower motor power module is under the dash on the passenger side. It bolts to the bottom of the HVAC housing.

The blower control module is located behind the icm module which is mounted to a bracket directly behind the glove box. The blower control module is mounted to the right side of the upper part of the blower housing. It actually seals the upper housing of the blower assembly. When removed you can see part of the fan wheel through the opening. Two 5.5mm socket size screws hold it in place to seal the upper housing. Remove only one and just loosen the other and it removes easily. You must have the connector to the blower itself disconnected to fully remove and replace. Its quite a bit of work to get to but if you have the paitence, it beats paying the mech/dealer mech to do it. Hope this helps.

Behind glove-box, behind engine control module

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