Function: 1. Cable Converter: This adapter cable can convert 24V to 12V or 12V to 24V, only suitable for heavy diesel trucks with stable performance. 2. Suitable Scanners: This 12V to 24V adapter works for Launch X431 easydiag 3.0 2.0 Golo 3 Scannner and more, and your phone will become a truck scanner. 3. Professional: The OBD2 Scanner Adapter Cable is a great car repair tool that can help you complete repairs and diagnostics easily. 4. Long Durability: The truck diesel adapter cord is made of ABS material, which has strong tensile strength, not easy to break and durable. 5. Rigorous Testing: Manufactured to exacting specifications, with stable performance and high reliability, it perfectly matches the original car. Specification: Item Type: Truck Adapter Cable Material : ABS Conversion voltage: 24V-12V; 12V-24V Fitment: Fits Heavy Duty Diesel Trucks Suitable Diagnostic Scanners: Fits X431 Easydiag 3.0 2.0 Golo 3 Scanner Launch Package List: 1 x Adapter Cable