Power windows: It activates the internal mechanism that rolls the windows up and down.
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It may be manually activated with a window crank, or electrically activated with just a switch. Cranks are always attached to the door itself, while switches may be either on the door or the central console.
Replaced intake twice do to STUPID COOLING WATER inlet design flaw. None OEM parts are generally JUNK & DON'T LAST ! especially from China! EG: power window regulators , sensors , +++.