Check the related link, I found a picture of the diagram posted on the inside of the engine compartment.
Your next best bet would be a Haynes or Chiltons manual.
You can find a fuse box diagram for a 1985 Ford E350 7.5 liter inside the owner's manual. You can also find it in the vehicle's Chilton repair manual.
My 1991 E350 Fuse diagram is in the owners manual.
I have a 460 in my 1983 e350.
http://wiki.answers.com/Q/Where_can_you_find_the_wiring_diagram_for_a_1982_ford_e3501982 ford e350
A diagram for a 1994 Ford e350 can be found in the trucks service manual. The manual can be found through most auto parts.
diagram to replace belt on E350 1994 7.3L
there are a few. the "main" vacuum line comes out of the vacuum pump located on the front of the engine (drivers side) about mid-way down. This goes to a tree of sorts mounted just above the brake booster on the firewall. then from there, other vacuum lines run from it. Hope this helps.
Whe it needs it
your local ford dealership
Owners manual
My 2000 E350 has 385 978miles keep the oil changed
In bed with britney spears