About this product
Upgrade your vehicle’s lighting system with these H4 CANBUS LED decoders , designed to eliminate common errors when replacing halogen bulbs with LEDs. This pair of anti-flicker error cancellers helps resolve dashboard warning messages, headlight flickering, and startup shutdown issues. Equipped with load resistors and capacitors, these decoders suppress radio interference and ensure smooth headlight operation for most European, American, and Japanese vehicles (excluding Mazda). Enjoy a plug-and-play installation with no wiring modification required.
