Mercury - Fused Bow Trim Harness Fuse Adapter 84-8M0169503. OverviewThis fused bow trim harness is a simple adapter used to bring fused protection into a bow-mounted trim circuit. It's meant for setups where you need a fuse in-line rather than running an unfused trim feed up front. The harness itself is just the fuse adapter-no extra wiring-so it drops into place cleanly. For V6 and V8 DTS engines, Mercury requires the L6SC fuse to be used with this adapter.. Key Features • Fuse Adapter Only - P