Headlights and dash lights don't work?

I have a 1988 Ford F-150. Yesterday the headlights came on once then the next time I went to turn them on they wouldn't work. However, at the time my tail lights wouldn't work. I checked all my fuses and replaced one that went to the tail lights. I can't find anymore blown fuses. Any ideas? If there's a short how can I find it?

Its a ford there's your problem

Check fuses--headlight switch