Upgrade your Peterbilt truck’s electrical system with the Kustom Truck Installation Kit, designed for 2011 and newer heavy-duty class 8 models with NAMUX3 chassis electronics, including but not limited to 389, 388, and 367. This comprehensive kit provides main cab power, main chassis power, and charge system harnessing, available in standard or extended lengths to suit your battery box location. The standard length kit is optimized for battery boxes under the driver’s door, while the extended length kit accommodates battery boxes behind the cab on the driver’s side or under the passenger side door. Engineered for durability and precise fitment, this kit includes all necessary harnesses and components for reliable power delivery. Ideal for mechanics and fleet operators, it ensures seamless electrical performance for custom builds or fleet upgrades. Contact Kustom Truck Parts to confirm chassis electronics and fitment compatibility.
Kit Includes:
- (1) Power Jumper Harness
- (1) Power Cable Extension Harness
- (1) Ground Jumper Extension Harness
- (1) Battery Positive Interconnect Harness
- (1) Battery Negative Connector Harness
- (1) Megafuse Holder and Fuse
Key Features:
- Designed for 2011+ Peterbilt class 8 trucks with NAMUX3 chassis electronics (e.g., 389, 388, 367, and more)
- Provides main cab power, chassis power, and charge system harnessing
- Standard length for driver’s door battery box location
- Extended length for back-of-cab (driver’s side) or passenger side door battery box locations
- High-quality components ensure reliable power delivery and durability
- Ideal for electrical system upgrades and fleet maintenance
- Easy installation for custom builds or repairs
Upgrade your Peterbilt’s electrical system with Kustom Truck Parts’ precision-engineered solutions, trusted for quality and performance.
