How do you open the power distribution box on a 2003 Ford F-150?

To open the power distribution box on a 2003 Ford F-150, first, locate the box, which is typically found under the hood near the battery. Carefully release the clips on the sides or the top of the box to open it. If necessary, use a flathead screwdriver to gently pry it open, ensuring not to damage the clips. Once opened, you'll have access to the fuses and relays inside.