Main Wire Harness 32100-ZVR-901 - Overview. The Main Wire Harness 32100-ZVR-901 is a vital electrical component designed specifically for Honda marine engine systems. This OEM harness serves as the central connection hub, routing power and signal transmission between numerous engine and onboard system components, ensuring seamless communication and reliable performance. Engineered to Honda's exacting specifications, it ensures seamless integration with existing parts, maintaining optimal perform