The Jet JWDS1632-179 Circuit Board helps regulate and control the electrical functions of compatible Jet JWDS-1632 drum sanders. It works by managing the flow of electrical signals between the motor, controls, and other electronic components, supporting smooth operation and dependable machine performance. Made to replace a faulty or damaged circuit board, it helps restore reliable ele... https://www.wholetoolbox.com/jet-jwds1632-179-circuit-board/JWDS1632-179.html