
It is likely due to water ingress or solder point corrosion. Window Regulator Mechanism: The window regulator is the mechanism for raising and lowering car door windows, mainly divided into electric window regulators and manual window regulators. Nowadays, many car door windows generally use button-operated electric regulators. Electric Window Regulator: Electric window regulators for cars are mostly composed of a motor, reducer, guide rope, guide plate, and window mounting bracket. The master switch is controlled by the driver to open and close all door windows, while the individual switches on each door handle allow passengers to control their respective windows, making operation very convenient.


