The XB Super Duty LED headlights are designed to work without any modifications.
.. No error codes, no flic Traffic Pattern: LHD Only;Input: Ford Multi-Pin OEM;Functions: DRL (Amber), Turn, Parking, Low, High;Bezel Color: Gloss Black;Material: ABS Plastic (Housing), UV-Resistant Polycarbonate (Lens);Optic: Kuria Optic Bi-LED;UV Coating: Momentive UVHC3000;UV Coating: Momentive UVHC3000;Headlights: 2x (One Pair) 11-16 Super Duty XB LED Headlights;Wiring: Plug and play harness, fuse tap, DRL modules;California Residents: WARNING While the XB LEDs from Morimoto cost a bit more relative to other options in the aftermarket as the saying goes you pay for what you get.