Blower fan
2 Answers
It would help if you told us what year you have but it is probably the blower resistor. It is located in the air duct so that air blows over it....there will be a connector that plugs into it and then you unscrew a couple of screws to take it out and replace.
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MissesFixItMySelf answered 6 years ago
I have 2001 buick century custom and my ac doesn't blow on the first 2 but it does blow on medium threw HI. Then when i change vent settings from anything besides MAX the car idles down feels like it wants to cut off.... Any suggestions