35100-ZVL-702 Combination Switch - Overview. The 35100-ZVL-702 Combination Switch is an essential control component within Honda marine engine systems. It serves as a multi-functional switch assembly that integrates key controls such as ignition, lighting, and emergency stop functions into a single streamlined unit. Specifically designed to maintain consistent operation and safety, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features.