Yeah, step one of owning one of these trucks is to buy yourself a Haynes and Chiltons manual. Between the two pretty much everything is covered.
That said, I have a 79 F100 2wd with a single tank. When I get home I'll try to snap a good pic of the fuse box and post it up for you. My lettering is still somewhat readable. I was actually contemplating replacing the box so I can use modern blade type fuses, but decided not to since the box I have works.
'79 F100 Custom 300 I6, Factory Air, Rolling Project
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