H4 CANbus Decoder – Plug-and-Play Anti-Flicker Module (Pack of 2)
Note: Product appearance may vary slightly between batches, but functionality remains consistent.
Fix Error Codes Instantly
Eliminates dashboard warning lights and bulb-out errors commonly triggered after upgrading to LED bulbs in vehicles using H4 connections.
Anti-Flicker & Voltage Stabilization
Built-in resistors and capacitors stabilize the power supply to prevent flickering, flashing, or dimming during operation.
Plug-and-Play Installation
No wiring or modifications required — simply connect between the OEM socket and the LED/HID bulb. Install in minutes with full compatibility.
Wide Compatibility
Supports H4 bulb types (including OEM HID systems). Suitable for halogen-to-LED as well as HID-to-LED upgrade setups.
Durable & Heat-Resistant Design
Constructed with an aluminum housing for efficient heat dissipation and reliable performance in high-temperature automotive environments.