Fuses and relay Ford E-Series 1988-1993 Fuse panel is located under the instrument panel tothe left of the steering column. Refer to appropriate illustration to identify and circuit breakers. Fuse box layout (1988-1989). I need a fuse/relay box diagram for a 1992 Ford E-250 van Dec 15, 2007I need a fuse/relay box diagram for a 1992 Ford E-250 van. The repair manual doesn''t have it and the dealership wants to charge $60 for an owner''s manual Submitted: 11 years ago.