Feature:
Fits for 35W/45W/55W H4 9003 HB2 high low bixenon lamps;
Solve the high low bixenon H4 Switch encountered during installation of HID kits;
This wiring harness is designed to work on the aftermarket HID system, it will draw stable and constant power direct from the battery, help on insufficient power supply, solve flicker or only one side of the bulbs light up.
No modification is needed,just Plug and Play;