* Underhood Fuse Box: This is usually located on the driver's side fender well, near the battery. It's a large, black box.
* Interior Fuse Panel (Power Distribution Box): This is typically located under the dashboard, on the driver's side. You may need to remove a small access panel to get to it. It's often under a small cover or panel on the lower left of the dashboard.
It's always best to consult your owner's manual for the exact location and diagram of the fuse boxes in your specific 1996 Ford E250 van. The diagrams will show you which fuse controls what circuit.