Shelby GT500 ECU Harness Wiring & High-Amp Alternator
2020 Ford Mustang Shelby GT500 — Completed August 2026
Technical Challenge & Diagnostic Scope
Custom engine harness heat shielding, 220A high-output alternator installation, and AGM battery system setup.
Initial Condition
Intermittent voltage drop to 11.2V causing instrument cluster flickering and electric power steering fade.
Execution & Repair
Diagnosed damaged alternator stator ground wire, upgraded main power lead gauge, and installed 220-amp heavy duty alternator.
Verified Outcomes & Dyno/Road Validation
Engine & Diagnostic Photo Gallery
High-resolution inspection imagery from this project. Click any photo to open the full-screen viewer with keyboard navigation.
Performance Metrics
Every repair documented in our recent work portfolio is performed by ASE Certified Master Technicians with factory diagnostic tools.
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