Feature: 1. WIDE APPLICATION: Connect and conduct electrical signals with high grade 7 core trailer spring wire suitable for trucks, trailers, motorhomes, cars, and boats. 2. BUILT TO LAST: Made of durable metal and TPU materials, this wire features high and low temperature resistance, acid and alkali resistance, wear, oil resistance for reliable performance. 3. SECURE ELECTRICAL CONNECTION: The 7 core design ensures a secure and stable electrical connection, allowing for proper signal transmission between the towing and towed vehicles. 4. VERSATILE COMPATIBILITY: The 12V 24V voltage output makes it compatible with a wide range of vehicles, ensuring efficient and safe electrical connections for towing purposes. 5. EASY INSTALLATION: With a length of 2M, this trailer spring wire provides enough flexibility for easy installation and connection between the towing vehicle and the towed vehicle. Specification: Type: Trailer Spring Wire Length: 2M Material: Metal + TPU Cores: 7 core Voltage Output: 12V 24V Features: High Low Temperature Resistance, Acid Alkali Resistance, Wear Oil Resistance Main Function: Connect and conduct electrical signals between towing vehicle and towed vehicle Application: Commercial Vehicles, Trailers, Motorhomes, Cars, Boats and more Features: PIN 1 - Left turn signal PIN 2 - Fog light PIN 3 - CircuitPIN 4 - Right turn signal light PIN 5 - Right taillight and plate frame light PIN 6 - Brake light PIN 7 - Left taillight and plate frame light . Package List: 1 x Trailer Spring Wire