Question about 1990 Buick LeSabre

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The ac/heater blower doesn't blow air.

1990 buick lesabre. The ac/heater blower doesn't blow air and the fuse isn't blown. It has the push type climate control system with low, auto, and high speed positions. I'm trying to figure what it might be and what I need to do to check the blower itself. There's so many wires under there.

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