The AHDC169-T-OBDBK is a tethered protective cap for 9-position Amphenol AHD Series™ connectors. Constructed from durable black rubber, this cap is designed to protect the connector interface from environmental ingress when not in use. It helps maintain an IP67 rating in a mated condition and is rated for a wide operating temperature range of -55°C to +125°C. This accessory is ideal for ensuring connector integrity in vehicle diagnostic applications, particularly for J1939 Type 1 systems found in commercial heavy-duty, off-highway, and marine equipment.