This really depends on what engine your F-350 has in it and if it is equipped with the California Emissions system. If you have a 7.5L EFI engine, then the vaccuum diagram will be located on the air filter housing cover.
we have looked everywhere there is no diagram to be found it is a 7.5 efi and not california emission.
where can i find a vacuum line diagram for 1989 ford 2.9 liter engine
Were can you find a fuse diagram for a 1988 ford F350
I have a pic I can send you of the diagram or you an find it in the chilton repair manual at auto zone
where is the vin located on a ford f350 frame 1989
Bad!
how do i down load a wiring diagram for a f350 6.0 diesel engine compartment
You can find a free Ford F1 50 vacuum diagram at most Ford dealerships. Many auto-parts stores will have the vacuum diagram.
vacuum line diagram
the diagram should be under the hood on the sticker with the emissions information
In both Chiltons and haynes, there is a vac. diagram
Under the hood
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