Horn Button 12V Air Horn Harness Relay Kit 40A 4 Pins for Car Truck Train Boat SUV Bus Lorry

High-concerned chemical：None Special Features：horn harness with relay Year：2025 Product Type：Switches and accessories Is It Charged：No Origin：Mainland China Material：plastic Item Type：Car Relays Item：Air Horn Wiring Kit with Button Switch Voltage：12V application：Suitable for cars, trucks, SUVs material：High - quality copper wire for stable conductivity Button advantage：Easy - to - press button for quick operation install：Simple installation, suitable for grille mount apply for：Compatible with most blast tone horns

High-concerned chemical: None Special Features: horn harness with relay Year: 2025 Product Type: Switches and accessories Is It Charged: No Origin: Mainland China Material: plastic Item Type: Car Relays Item: Air Horn Wiring Kit with Button Switch Voltage: 12V application: Suitable for cars, trucks, SUVs material: High - quality copper wire for stable conductivity Button advantage: Easy - to - press button for quick operation install: Simple installation, suitable for grille mount apply for: Compatible with most blast tone horns