Feature: 1. Fitment: Replacement for Paccar diagnostic port, compatible with Cummins INLINE 5, Cummins INLINE 6, Noregon, Dearborn, Bosch, and Nexiq data link adapters. 2. Usage: This feedthrough adapter allows you to connect a 9-pin ELD or any other J1939 II compatible device to the truck diagnostic port. 3. Characteristic: The adapter provides straight-through electrical continuity. It enables the use of older diagnostic cables with black ends to connect to newer J1939 Type II green connectors in the cab. 4. 9 Pin Connector: This adapter allows your interface with a 9-pin adapter to connect to trucks equipped with a Deutsch green 9-pin Type II connector on newer heavy-duty trucks. 5. Great Choice: Ideal for users with a new vehicle featuring a Green 9-Pin connector in the cab who wish to continue using their older single CAN datalink adapter. Specification: Item Type: J1939 II Adapter Material: ABS Connect other J1939 II compatible devices to your diagnostic port Fitment: Replacement for Paccar diagnostic port; compatible with Cummins INLINE 5, Cummins INLINE 6, Noregon, Dearborn, Bosch, and Nexiq data link adapters Great Choice: Suitable for new vehicles with a Green 9-Pin connector in the cab while still using an older single CAN datalink adapter Package List: 1 x Adapter Note: This cable is not compatible with trucks equipped with replacement PACCAR MX engines.