gjrock
Bronco Guru
Found some free one online.They cover the 77 Bronco.That is all I know so far.
http://arrc.epnet.com/autoasp/index.asp?sid=211620102&uid=s9048444.main.autorefctr
http://arrc.epnet.com/autoasp/index.asp?sid=211620102&uid=s9048444.main.autorefctr