can i replace the headlights of crew with HID citadel headlights...
What the requirements to install it without errors or external wiring ...

i already replaced them but the TECH used a ext wiring , fuses and small bulb to avoid any error...
but sometimes i facing a flashing bulb so if any gentleman know the right parts which can i use to solve all wrong installation did by him

 

anyone have another idea or do it before