Mark, there are many pages to the wiring diagrams on these vehicles, I am going to give you the fuse layout for the engine compartment fuse block, then when you determine what fuse is blowing, I can give you a wiring diagram related to those circuits. Steve
Sorry for the delay. Here is the interior fuse panel. What engine is your E150 equipped with? I'll need to know for the other diagrams.
Here is the diagram for fuse 17 on a 5.4L. 4.6 is the same.