Engine Installation Harness (Engine to Cab) for Cummins ISX15 or ISX12 engine with CM2250 electronics in 2011+ Peterbilt trucks equipped with NAMUX3 chassis electronics.
This direct-fit OEM replacement harness is designed for replacing worn or damaged harnesses or for new engine installations. It enables seamless integration of a Cummins CM2250 engine with Peterbilt NAMUX3 electronics (250K baud rate dash systems).
Kit Includes:
- (1) Engine to Cab Harness
Compatibility:
- 2011 and newer Peterbilt trucks with NAMUX3 chassis electronics
- Cummins ISX15 & ISX12 engines with CM2250 electronics
- Peterbilt models including 389, 388, 386, and 367
Important Notes:
- This harness is only compatible with Peterbilt NAMUX3 chassis electronics using 250K baud rate dash systems.
- If you are not certain of your chassis electronics or baud rate, contact Kustom Truck for verification.
- Provide the last 6 digits of your chassis VIN and the engine serial number when ordering.
Key Specifications:
- Cummins ISX15 or ISX12 CM2250 to Peterbilt NAMUX3 chassis electronis interface
- Suitable for glider kit builds, engine swaps, or harness replacements in class 8 Peterbilt trucks