Mercury - Platinum Plus Throttle and Shift Cable 14 Foot Mechanical Engine Control - 858342A14. The Mercury Platinum Plus Throttle and Shift Cable is designed for Mercury mechanical control systems where smooth, predictable response at the helm is essential. Built with Platinum Plus construction, this cable delivers a direct mechanical connection between the helm and engine while reducing internal friction for a refined, consistent control feel. The 14-foot length is well suited for moderate con