Explaining a car on Instagram: "A power window works by using electrical energy from the car battery to drive a DC motor. When the window switch is pressed, current flows through a fuse and relay to the motor. The motor rotates in one direction to raise the window and reverses direction to lower it. This rotation is transferred to a window regulator, which converts the motor’s motion into smooth up-and-down movement of the glass along guide channels. Modern systems also include auto up/down and

How To Diagnose Power Window Problem - Is the Switch or Motor bad