I bought a 1989 Ford E350 1 ton. No Owners Manual. I need a diagram for the fuse box, so I can replace the fuse for the dash lights.

It's behind the side panel on the dash or under the dash left side of the steering column go to ford owners.Com and register for free then download the manual then go to roadside emergencies and your fuse box diagrams and values are there and the relays

Inside your fuse box on the inside of the protective cover, there should be a diagram of location. There may also be relays in this box that control the lights. If this is not the problem, check for broken wires or connectors going to the lights. If this checks ok start looking at the switch.

Ford owners.Com register for free then download the manual then go to roadside emergencies and your fuse box diagrams are in there and the fuse values

Dome light is a minor light ... probably on a circuit with other lights. Is it out and you want to fix the fuse? Find the burned out fuse and replace it. ... I am more inclined to say it is the lamp that is burned out. Best way to solve this problem is to turn the dome light on (open the door or turn the dash lights all the way up) and check with a volt meter. You can also check the continuity of the lamp filament with an Ohm meter.

Good luck with your project.

go here for a used owners manual.

http://ebiz.netopia.com/jbmanuals

Most cars have a fuse layout diagram on the inside cover of the fuse box.

it should under the lid of the fuse box and in the owners manual if no manual try here for one online www.edmonds.com

google it. go to www.google.com and search for the fuse diagram,put the search in images and you can find a diagram for reffernce.good luck

Facing fuse box, left hand side, bottom fuse

For Ford's fuse diagrams and schemes you may want to check Ford diagrams schemes imgVEHICLE com