This diode adapter kit is designed for use with GM SI series alternators and is commonly used when wiring custom or updated charging systems. It helps prevent engine run-on by controlling feedback current in the alternator circuit, making it a smart solution for hot rods, restorations, and custom builds using SI-style alternators.

• Designed for GM SI series alternators
• Prevents engine run-on caused by backfeeding
• Ideal for custom wiring and aftermarket harness installations
• Compact, easy-to-install adapter design
• Suitable for street rods, restorations, and custom vehicles
• Sold as a complete adapter kit