Where can you obtain a fuse diagram for a 1999 Ford E-350 wirthout a manual or a fuse cover?
You are going to need ADOBE reader or some sort of PDF reader.
There is a link to download it. Go ahead, it's safe.
Click the glove box pull down tab.
Choose your car / truck and year. Choose the owners guide.
Download the adobe PDF file. For a 1999 F-350 page 146 is where
it starts, page 152 is the end.
I printed just these pages by setting the options on my printer
set up page.
Enjoy. Tell your friends.
There is a diagram in the owners manual (page 125 for fuses,
page 129 for relays).
to download it for free.