How do you replace headlight bulbs on ford e350?

To replace the headlight bulbs on a Ford E350, first, open the hood and locate the back of the headlight assembly. Disconnect the electrical connector from the bulb, then twist the bulb socket counterclockwise to remove it. Replace the old bulb with a new one, ensuring not to touch the glass part with your fingers, and then reassemble by twisting the socket back into place and reconnecting the electrical connector. Finally, test the new bulb to ensure it’s working properly.