MaxxEcu harness kit, Toyota 2JZ harness with connectors

MaxxECU Terminated Engine Harness – Toyota 2JZ (MAX-1775)

The MaxxECU MAX-1775 terminated engine harness is a plug-and-play wiring solution designed specifically for Toyota 2JZ engines, including both non-VVTi and VVTi versions. This harness provides a complete, factory-style wiring interface between your 2JZ engine and a MaxxECU engine management system, such as MaxxECU STREET, RACE or PRO, ensuring a clean and reliable installation without extensive custom wiring.

Built to OEM-quality standards with ready-made connectors for injectors and sensors, the MAX-1775 harness includes support for key engine systems including the crank and cam triggers, IAT, CLT, TPS and more. It uses VAG-style coil-on-plug connections (coils not included), and is wired for short VAG coils for seamless integration.

This terminated harness is ideal for engine swaps, standalone conversions or high-performance 2JZ builds where reliable and tidy wiring is essential. Because it is designed to suit MaxxECU systems, it greatly simplifies installation and reduces installation time.

Features & Benefits

• Terminated engine harness for Toyota 2JZ (non-VVTi and VVTi)
• Designed to work with MaxxECU STREET, RACE or PRO ECUs
• Plug-and-play connectors for key engine sensors and actuators
• Supports VAG coil-on-plug setup (coils not included)
• OEM-style injection and trigger connections for straightforward integration
• Reduces custom wiring and installation errors

Typical Applications

• Toyota Supra MKIV (2JZ-GTE / 1993–2002)
• Other 2JZ non-VVTi or VVTi engines in custom projects and swaps
• Standalone MaxxECU engine management installations

Please note this harness requires a compatible MaxxECU unit and may need additional components such as VAG coils and a wideband O2 sensor (LSU4.2) for full functionality.