Connect your standard OBD2 scanner directly to the world of heavy-duty diesel. This Y-adapter cable is the essential tool for any workshop, technician, or owner working with trucks, buses, and heavy equipment.
It allows you to use a single 16-pin diagnostic scanner with the two most common port types on commercial vehicles: the J1939 port (9-pin) and the J1708 port (6-pin) . This 2-in-1 cable gives you the flexibility to instantly switch between newer and older truck models without changing tools.
Key Features
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Dual Compatibility (2-in-1): A single cable connects your scanner to ports J1939 (9 Pins, green) and J1708 (6 Pins, black).
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Universal OBD2 Connector: The 16-pin female port works with the vast majority of diagnostic scanners and telematics devices on the market.
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Full Data Transfer: Provides power, ground and access to CAN (J1939) and J1708/J1587 data lines for full read.
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Robust Design: Built to withstand daily use in the workshop and in the field.
Pro Tip: Ideal for use with your fleet scanner or telematics device to avoid constantly disconnecting and reconnecting.
Compatibility
Compatible with most heavy-duty truck and engine manufacturers that use J1939 or J1708 protocols, including:
- Cummins
- Caterpillar (Cat)
- Mack
- Freightliner
- Kenworth
- International
- WestStar
- And many more...
Includes
- 1 x Heavy Duty Y Adapter Cable (J1708 6-Pin + J1939 9-Pin) to OBD2 16-Pin Female.
Technical specifications
| Vehicle Side Connector |
J1939 (9 Pins) and J1708 (6 Pins) |
| Scanner Side Connector |
OBD2 Female (16 Pins) |
| Total Length |
Approx. 30 cm (1 foot) |
| Supported Protocols |
CAN, J1939, J1708, J1587 |
Important note: Ensure your diagnostic tool (scanner) is compatible with heavy diesel protocols (J1939 or J1708). This cable adapts the physical connection but does not translate the protocols.