A. Product overview 1. Spiral cable. 2. 13 pins. 3. Approximately 2 meters. B. Product Features 1. Pin 1 - Left turn signal. 2. Pin 2 - Fog light. 3. Pin 3 - Return circuit. 4. Pin 4 - Right turn signal. 5. Pin 5 - Right tail light and frame light. 6. Pin 6 - Brake light. 7. Pin 7 - Left tail light and frame light. 8. Pin 8 - Reverse light. 9. Pin 9 - Static power supply. 10. Pin 10 - Powered through the ignition switch. 11. Pin 11 - 10 - contact circuit. 12. Pin 12 - Contact reserved for future configuration. 13. Pin 13 - 9 - contact circuit. C. Voltage Output Approximately 12 volts. D. Main Function Connect and transmit electrical signals between the towing vehicle and the towed vehicle. E. Application Scenarios Multi - purpose vehicles/trailers/campers/cars/ships, etc. F. Technical Characteristics 1. Length: Approximately 2 meters. 2. Connection method: 13 pins. 3. Number of wires: 13. G. Product Content One 13 - pin spiral cable approximately 2 meters long. H. Notes Since the measurements are manual, there may be errors in the dimensions, with an error range of approximately 2 cm/1 inch. Due to differences in the display screen and viewing angle, the color and size may vary slightly. Thank you for your understanding! Hanbing welcomes you to make a purchase! We look forward to serving you.