Fuse Harness for 2008 and newer Peterbilt trucks with NAMUX2 or NAMUX3 chassis electronics.
This direct-fit harness delivers reliable power from the battery box to the main engine harness. It is available in two lengths to accommodate different battery box locations and is commonly used as an OEM replacement or during cab swaps on NAMUX2 trucks, and when replacing a Paccar engine in NAMUX3 trucks (the Paccar pulls fused ECM power through the emission system).
Kit Includes:
- (1) Fuse Harness (Standard 8'8" or Extended 12'8" length, based on selection)
Compatibility:
- 2008 and newer Peterbilt class 8 trucks with NAMUX2 or NAMUX3 chassis electronics
- Models including 389, 388, 386, 367, and others
Important Notes:
- Standard length (8'8") for battery boxes under the driver’s door.
- Extended length (12'8") for passenger-side or behind-cab battery box locations.
- If you are not certain of your chassis electronics or battery box configuration, contact Kustom Truck for verification.
Key Specifications:
- Delivers fused power from battery box to main engine harness
- Suitable for 2008+ Peterbilt NAMUX2/NAMUX3 trucks
1 year
