2002 Chevrolet Avalanche 1500 Q&A

2002 Chevrolet Avalanche 1500 Question: Air conditioner won't shut off

The switch on the dash will turn the light on and off, but even in the off position cold air still comes out of the vents whenever the fan is on. I changed the compressor relay in the electrical center under the hood, but that didn't fix it...any ideas? -
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