The Case IH 9966428 is a genuine OEM light switch designed for precise control of lighting functions on a range of Case IH agricultural machinery. This 3-position, 12V switch is a critical component for maintaining operational safety and visibility. It ensures proper functioning of headlights, work lights, and other electrical systems, providing a direct replacement for worn or faulty original switches. Engineered to meet Case IH's rigorous standards, it offers durability and seamless integration with compatible models.