This manual covers ALL ENGINES for 1985 on these trucks:

Gas
4.9L
5.0L
5.8L
7.5L

Diesel
6.9L

Covers ignition systems, fuel systems, exhaust systems cooling systems, starting system and engine/emissions diagnostics. Manual is in good shape and selling for twice this and MORE on flea bay.

$20 plus $6 shipping to a good FTE home