Mercury – Trim Analog-to-Digital and Limit Kit | SmartCraft Conversion | 8M0118725Mercury Trim Analog to Digital and Limit Kit SmartCraft Conversion 8M0118725 Overview Analog trim systems work well, but when you upgrade to SmartCraft gauges, the signal needs to speak the same digital language. The Mercury Trim Analog to Digital and Limit Kit (8M0118725) handles that translation cleanly. It takes the analog trim position from the engine and turns it into the digital output your SmartCraft display expects. It also adds an upper limit