Engine Installation Harness (Engine to Cab) for Detroit Series 60 engine (DDEC3 or DDEC4 electronics) in Peterbilt 387 or 587 trucks with NAMUX2 Cummins CM2250 chassis electronics.
This direct-fit harness enables seamless integration of a Detroit Series 60 DDEC3/DDEC4 engine into a Peterbilt 387 or 587 chassis. It includes the Kustom Data Management Processor (GPLM-04) to ensure proper communication between the engine and NAMUX2 electronics.
Kit Includes:
- (1) Engine to Cab Harness (Detroit Series 60 DDEC3/DDEC4)
- (1) Kustom Data Management Processor (GPLM-04)
Compatibility:
- Peterbilt 387 and 587 trucks with NAMUX2 Cummins CM2250 chassis electronics (typically 2011–2012 models)
- Detroit Series 60 engines with DDEC3 or DDEC4 electronics
Important Notes:
- Even with the harness fully installed, the truck’s dash may not function without ECM or cab programming.
- This harness is only compatible with Cummins CM2250-based NAMUX2 Peterbilt 387 or 587 chassis electronics.
- If you are not certain of your chassis electronics, contact Kustom Truck for verification.
- Provide the last 6 digits of your chassis VIN and the engine serial number when ordering.
Key Specifications:
- Detroit Series 60 DDEC3/DDEC4 to NAMUX2 Cummins CM2250 interface
- Includes GPLM-04 Data Management Processor for proper signal translation
- Suitable for engine swaps in Peterbilt 387 and 587 trucks