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Q: Why does my car stall when I turn on the ac or heat? on 2004 Chevrolet Trailblazer

I recently replaced the alternator in my 2004 Chevrolet Trailblazer. After it was replaced, I drove my vehicle and turned on the air conditioner. Immediately, the car began to stall out. I gassed it, and it continued to drive. I turned off the ac and it stopped stalling.
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