Mercury – Diagnostic Port Assembly | 10-Pin SmartCraft CDS Access | 8M0046339Mercury Diagnostic Port Assembly 10 Pin SmartCraft CDS Access 8M0046339 Overview Technicians need quick access to the SmartCraft network, and digging into a helm every time a boat needs diagnostics can get old fast. The Mercury 8M0046339 Diagnostic Port Assembly solves that by giving the boat a dedicated 10 pin access point for CDS tools. It mounts out of sight near the helm, stays protected, and makes service checks faster and cleaner without tearing