Mercury - Power Trim Gauge Trim Position Monitoring White Face Chrome Bezel 79-8M6020018. OverviewThis power trim gauge gives you a steady, easy-to-read look at where the engine is sitting as you adjust trim. The needle moves in a smooth, predictable sweep, so you're not wrestling with jumpy readings when the boat hits a little chop. Out on the water, it becomes a natural part of your quick dash check-trim, glance, adjust, and keep running. It's a clean, simple gauge that helps you dial in the r