32550-ZV5-910 Meter Harness Assembly - Overview. The 32550-ZV5-910 Meter Harness Assembly is an essential wiring harness designed to support the gauge system in Honda marine engine systems. It functions as a critical gauge extension harness providing an additional connection to the main harness for your boat speedometer, hour meter, and volt meter. By accurately transmitting sensor data, it ensures that vital engine performance information is displayed reliably on the boat's instrument panel. Co