The John Deere AN303140 is an authentic OEM wiring harness specifically designed for wheel speed sensors in various John Deere agricultural and construction machinery. This critical component ensures accurate data transmission from the wheel speed sensors to the machine's control systems, vital for proper operation of features like ground speed monitoring, traction control, and precision farming applications. Manufactured to John Deere's rigorous standards, it provides durable and reliable electrical connectivity, maintaining optimal performance and system integrity across a wide range of compatible models including R-Series Tractors and S-Series Combines.