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#2
04-29-2007, 10:11 AM
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Re: A/C Blower
Welcome to AF.
The leading cause of no lower blower speeds is the blower motor resister block. Look on the ac/heater core housing for it and see if it is plugged in and wires good. Then get a test light and see if voltage is going to and threw it.
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Remember proper testing gives us the answer to many problems. MT 
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#3
04-29-2007, 10:13 AM
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Re: A/C Blower
The blower resistor needs replacement. It is located under the hood, and mounts with two screws to the evaporator housing near the blower motor. There are 5 wires connected to it. Most auto parts stores stock them.
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#4
05-02-2007, 02:49 PM
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Re: A/C Blower
Mine ('97) had the lower speeds quit too.
I removed the resistor block, and found that the printed "wire" on the board had been eaten by the sealant. I soldered in a replacement wire. (I could see where the printed foil was) All is well.
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#5
07-07-2007, 01:33 PM
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Re: A/C Blower
in my 99 i replaced.the block and it was only 37 bucks and it was a delco part
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