Fuse box diagram 1988 Ford E250 - Fixya fuse box diagram 1988 Ford E250 fuse box diagram - Ford Cars & Trucks question. Search Fixya. Browse Categories Answer Questions . Ford Car and Truck; Cars & Trucks Fuse box ford econoline diagram. fuse box diagram for 94 econoline 250 van Jul 23, 2010 | 2002 Ford E250. 1 Answer SOLVED: Picture of a fuse box diagram for a 1988 ford - Fixya picture of a fuse box diagram for a 1988 ford econoline van e150 fuse box diagram - Cars & Trucks question Diagram of fuse box for 1988 ford econoline van - Answers Answer Fuse number 23. It should be a 20A Or. I found on my Econoline, that it was fuse 10 @ 25A There is a complete fuse and relay diagram in the Roadside Emergencies section of the owners manual.