H4 LED Relay Harness for Bi-led Projector Lens This H4-LED-Relay-Harness is designed for seamless integration with bi-led projector lens systems, ensuring optimal performance and reliability in your vehicle’s lighting setup.
High-Quality H4 Relay Harness featuring a durable H4 Relay Harness, this accessory ensures stable electrical connections and protects your LED bulbs from voltage fluctuations and potential damage.
Complete H4 Control Wiring Solution The H4 Control Wiring system provides efficient signal transmission, enabling smooth operation of your LED headlights with precise switching and reduced risk of flickering.
Universal H4 Socket Compatibility Designed for H4 Socket Type bulbs, this relay harness fits a wide range of vehicles, making it a versatile and easy-to-install solution for upgrading your headlight setup.






