Mercury - Electric Steering TVM Lite Kit for Rig Center Steering System 8M0191738. OverviewThis TVM Lite kit gives Mercury Racing 450R rigs the hardware needed to run electric steering, whether you're using Joystick Piloting or a non-joystick setup. It's built for boats rigged with a rig center and gives each actuator what it needs to communicate cleanly with the steering system. The kit keeps the wiring straightforward and avoids the patchwork approach that causes steering glitches. Once instal