Description
The Burger Tuning Replacement JB4 Harness is the official OEM wiring solution for restoring or replacing the connection between your JB4 performance tuner and your vehicle’s sensors. Designed for perfect fitment and maximum reliability, this harness ensures your JB4 operates exactly as intended—delivering the performance, safety, and smoothness you expect from Burger Tuning.
Whether you’re replacing a worn harness, repairing accidental damage, or keeping a spare for future installs, this high-quality plug-and-play cable is built to last with OEM-grade connectors and durable sheathing. Installation is fast and straightforward—no cutting, soldering, or splicing required.
Features & Benefits
- Official Burger Tuning replacement part for all JB4 tuners
- Restores OEM-level fit, finish, and reliability
- Plug-and-play installation – no modifications needed
- High-quality, heat- and abrasion-resistant wiring
- Perfect for repairs, upgrades, or spare parts
- Compatible across all JB4-supported vehicle platforms
- Maintains factory-like durability and performance
- Made in the USA
Vehicle Fitment
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Select your platform in the option above
What is a JB4 Harness?
The JB4 harness is the wiring bridge that connects your JB4 tuner to your vehicle’s engine sensors and CANbus system. It’s responsible for transmitting critical performance data, allowing the JB4 to adjust boost, timing, and fueling in real time. Using an official Burger Tuning harness ensures maximum signal integrity, proper fitment, and reliable operation—essential for safe, consistent tuning results.
