Halo Lights LED 90mm/120mm Red Four Diode Dynamics Fiat These harnesses are made to

These harnesses are made to OEM specs

low-intensity white daytime running lights

requiring no modifications to your SuperDuty

Always follow local regulations when using them

4 has a slightly larger LED driver than normal because the CANBUS anti-flicker and anti-error circuitry is built in

Halo Lights LED 90mm/120mm Red Four Diode Dynamics Fiat These harnesses are made toHDHalo Technology. These HD LED halo rings have been designed from the ground up to be absolutely the brightest, most reliable halos physically possible. Each halo is populated with a large number of high density (HD) LEDs, which are then coated by a diffusing gel, resulting in a perfectly uniform light when turned on. When off, the diffusing gel hides the chips, resulting in a clean, OEM appearance. Sizing: All sizes are listed by outside diameter,