MS3Pro Mini Wiring Harness – Universal Flying Lead

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Simplified wiring for MS3Pro Mini—built for clean installs and full ECU functionality. The MS3Pro Mini 8′ Flying Lead Harness is a complete, pre-labeled wiring solution built speci fically for the MS3Pro Mini ECU. Designed to make custom wiring projects faster and cleaner, this harness provides a flexible, professional-grade option for motorsport, race, and retrofit applications. Each wire is color-coded and clearly printed with its function, helping eliminate guesswork during installation and making future diagnostics easier. Whether you're tackling a fresh build or reworking an older system, this harness is engineered for durability and ease of use. Perfect for: Custom engine swaps Standalone ECU projects Race car rewiring Retrofit EFI conversions Key Features: 8′ flying lead harness tailored for MS3Pro Mini Color-coded and printed wire labels for easy installation High-temp, automotive-grade TXL/GXL wire construction Open-ended for custom routing, sensor placement, and I/O mapping Supports full MS3Pro Mini functionality Ideal for use in motorsports, custom street builds, and ECU upgrades Show more