31404-ZW1-000AH 6' Omc Adaptor Hrns - Overview. The 31404-ZW1-000AH 6' OMC Adaptor Harness is an essential rigging component designed for Honda marine engine systems. This adapter harness facilitates a reliable electrical connection between an OMC (Outboard Marine Corporation) component and Honda outboard motors. By ensuring proper integration within the engine's electrical system, it supports seamless communication and control critical for efficient engine operation. Crafted to adhere strictly