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 WireLength: 2MMaterial: Metal + TPUCores: 7 coreVoltage Output: 12V 24VFeatures: High Low Temperature Resistance, Acid Alkali Resistance, Wear Oil ResistanceMain Function: Connect and conduct electrical signals between towing vehicle and towed vehicleApplication: Commercial Vehicles, Trailers, Motorhomes, Cars, Boats and moreFeatures:PIN 1 - Left turn signalPIN 2 - Fog lightPIN 3 - CircuitPIN 4 - Right turn signal lightPIN 5 - Right taillight and plate frame lightPIN 6 - Brake lightPIN 7 - Left taillight and plate frame light.Package List:1 x Trailer Spring Wire