Ensure seamless diagnostic communication in your Peterbilt or Kenworth truck with the Kustom Truck J1587/J1708 Datalink Jumper Harness, designed to connect the engine harness firewall connector to the data bus block inside the dash. This jumper harness is essential for NAMUX3 generation Peterbilt or Kenworth trucks equipped with engines that utilize J1587 as the primary diagnostic communication protocol, such as Caterpillar engines, Cummins N14 or M11 engines, or Detroit Series 60 engines. Without this jumper installed on a NAMUX3 truck, diagnostic communication with the engine ECM using OEM engine software will not be possible, making it a critical component for maintenance and troubleshooting. Note: For NAMUX3 trucks from 2016 and newer, a different J1587 jumper harness (PN: 99906011) is required, as these trucks lack a data bus block and need a jumper that connects directly from the firewall to the OBD connector. For compatibility confirmation, contact Kustom Truck. Upgrade your truck’s diagnostic capabilities with this precision-engineered jumper harness, crafted for durability and performance.
KIT INCLUDES:
- (1) J1587/J1708 Datalink Jumper Harness
KEY FEATURES:
- J1587/J1708 datalink jumper harness for NAMUX3 Peterbilt or Kenworth trucks
- Connects engine harness firewall connector to data bus block for diagnostic communication
- Required for engines using J1587 protocol (Caterpillar, Cummins N14/M11, Detroit Series 60)
- Enables diagnostic communication with engine ECM using OEM engine software
- Note: 2016+ NAMUX3 trucks require different jumper (PN: 99906011) for firewall-to-OBD connection
- Contact Kustom Truck for compatibility confirmation
- Engineered for durable performance and precise diagnostic connectivity
Upgrade your Peterbilt or Kenworth truck’s diagnostic system with Kustom Truck Parts’ J1587/J1708 Datalink Jumper Harness, crafted for reliability and precision.
