Re: ODD ELECTRICAL ISSUE!!
No central power, dome light, headlight, etc is usually a battery connection/corrosion issue. Go through that with a fine comb. My wife had an SHO towed home a number of years ago due to the exact same thing.
2000 F250 CCSB-- GT4294R, 250/100s, Dahl/Fuelab, PHP, scan gauge, stock 17* pump
1994 F250 4x4 SC (sold)
1997 F250 CCSB 2wd (sold)