Mercury - Platinum Plus Throttle and Shift Cable 17 Ft SAE Mechanical Control Cable 8M0082589. The Mercury Platinum Plus throttle and shift cable is designed for Mercury mechanical control systems that use SAE-style connections on boats with longer helm-to-engine routing. The 17-foot length is ideal for larger boats where smooth control feel depends on clean, relaxed cable runs without tight bends. Platinum Plus construction delivers smoother, more refined movement than standard mechanical cable