Mercury - Dual Engine LCM Zero Effort Kit Legacy Control Module 98-8M0165552. OverviewThis kit gives older dual-engine Zero Effort Controls a clean path into the newer Digital Throttle and Shift harnessing. It keeps the familiar feel at the helm while letting the system run through modern wiring that's steadier and easier to work with. With two modules and the harness included, the setup stays organized instead of turning into a mess behind the dash. It's a practical way to modernize a twin-engi