MS3Pro Mini Wiring Harness – Universal Flying Lead

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 specifically 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