14114-PNA-003 TDC Pulse Plate - Overview. The 14114-PNA-003 TDC Pulse Plate is a crucial OEM component for Honda marine engine systems. It generates a top dead center (TDC) pulse signal critical for the engine's control module to accurately track piston position, enabling precise ignition timing and fuel injection. Designed for reliable operation within the ignition and fuel systems, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Feature