32535-ZVL-PA0 Extension Harness - Overview. The 32535-ZVL-PA0 Extension Harness is an essential component designed for Honda marine engine systems. This harness serves as a power trim-tilt switch extension, providing a reliable electrical connection extension that supports the smooth operation of trim and tilt functions in marine engines. Engineered to Honda factory specifications, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features.