The switch works - but just 2 positions, electrically and mechanically - on or off. I need to get to it to fix the mechanical blockage or replace it entirely.The switch works - but just 2 positions, electrically and mechanically - on or off. I need to get to it to fix the mechanical blockage or replace it entirely.
AnonymousMar 21, 2009
The switch turns Off at positon 2 and on High at position 3. It will not rotate to positons 1 or 4. Do you know if the control is part of a bigger assembly or can it be replaced without replacing a electronic board the switch shaft goes through?The switch turns Off at positon 2 and on High at position 3. It will not rotate to positons 1 or 4. Do you know if the control is part of a bigger assembly or can it be replaced without replacing a electronic board the switch shaft goes through?
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Normally the ac fan (in front of the condenser) will run as soon as the ac is switched on. This condenser gets hot when the gas is being compressed and needs to have the heat removed for the system to work IT will switch on regardless of the ambient temperature as it is connected directly to the ac compressor clutch. IF you are referring to the heater fan inside then it will only work with the heater fan on or with both ac and heater on but will not always work with just the ac on.
HI. This switch is called a resistor switch. It regulate the current to the blower motor. The switch circuit is damaged, and it will need to be replaced asap. Once replaced, this issue will be solved.
You will need to remove the AC/Heater cluster assembly, in order to access the actual switch.
I just fixed mine. same problem, no ac light no fan. inside the heater control assembly there is a electric wiper arm on the fan switch. This arm connects all power for fan and ac. Mine broke out of the fan control switch. Dash is not too much problem to get out. Have to pull top dash center section out by puching forward and lifting out. pull all screws on center dash counsel. remove radio, two side covers that hide screwsand lower trim that holds emergency flasher switch. remove cables from heater control and wires and remove. Took me about an hour. The code on radio will need to be reset so make sure you have that handy. Hope this helps..
Fan will be under dash on passengers side , Removing glove box might be needed, Gm also uses a blower resister ro control fan speeds. First check your fuse and then check and make sure your getting 12 volts to the terminal at the blower, You could have a blown fuse, a bad switch, or a bad resister , if your getting voltage to blower motor then most likely it will be the motor. These are not to difficult to change. I hope this helps, please be aware I can only guess at what the problem is from my past experience.
Do you mean the small handle tips on the levers are preventing you from removing the plate? Normally, those tips should just pull off, then the plate can slide off over the levers.
The switch works - but just 2 positions, electrically and mechanically - on or off. I need to get to it to fix the mechanical blockage or replace it entirely.
The switch turns Off at positon 2 and on High at position 3. It will not rotate to positons 1 or 4. Do you know if the control is part of a bigger assembly or can it be replaced without replacing a electronic board the switch shaft goes through?
I presume you are certain it has failed ? i would check the relay for that first.
Robert
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