I really don't know anything about diesels, later I am sure someone will jump in who does.
In the mean time, I would suggest that you check your fuses. I am guessing that the wait to start has something to do with the glow plugs, and if that light isn't coming on, I'll bet that the plugs aren't getting any power.
So checking your fuses is a good start before someone can give you more specific things to look for.
Here are tips for checking your fuses
http://www.fordforumsonline.com/forum/electrical-lighting/128-howto-check-your-fuses.html
In the mean time, I would suggest that you check your fuses. I am guessing that the wait to start has something to do with the glow plugs, and if that light isn't coming on, I'll bet that the plugs aren't getting any power.
So checking your fuses is a good start before someone can give you more specific things to look for.
Here are tips for checking your fuses
http://www.fordforumsonline.com/forum/electrical-lighting/128-howto-check-your-fuses.html