just recently after starting my car and turning the ac on it stalls the ac does, it'll be turned on one of the levels of air but nothing blows out, only if it's on high
If just blows cold on hi the blower motor switch is bad.
Or the resistor block. Or a blown fuse. GM used 2 fuses for this. One for high speed only and another for the other speeds. HTH. -Jim
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