WOLFSTORM BRAND LED HEADLIGHTS ASSEMBLY FOR 2017-2020 FORD F-250/F-350/F-450/F-550 Resistors Resistor could make your vehicle use this led headlight rightly.Make the turn light have a sequential effect LED DRL LED Daytime Running Light DesignLED High Beam and Low BeamYellow color Turn Signal Light Design Waterproof All headlight housing use the gum to seal with the lens. item have a good waterproofHeadlight back, there some waterproof cap or waterproof breathable patch. This design would let the temperature down and have more long lifetime LED Sequential Turning Light Design The more detail of this headlight assembly,you could see the product page video. HEADLIGHT ASSEMBLY FOR 2017 2018 2019 2020 FORD F-250/F-350/F-450/F-550 New DRL and LED Sequential Turning Lights This headlight assembly design with led sequential turning light. Especially have a unique vision.All ford f-150 headlight are led resource light design with daytime running light desing and led low and high beam. Fit for 2017 Ford F-250/F-350/F-450/F-550 Fit for 2018 Ford F-250/F-350/F-450/F-550 Fit for 2019 Ford F-250/F-350/F-450/F-550 Fit for 2020 Ford F-250/F-350/F-450/F-550