My Dad just gave me his old truck, 1997 F150, but all my gages don't work.
It does not indicate how fast I’m going, how much gas I have, or my oil pressure or temp., and its not marking my miles either, oh yeah all the gages are needles. Sometimes when I put the truck in reverse the RPMs needle works but only for a bit, less than a second, then it just dies back down. I've checked the fuses and they all work, I don't know how to check the relays but I tried finding the one that might make all those components work but I guess I don’t know what I’m looking for so...I’m at a lost. Does anyone have any idea what it could be?

Greatly appreciate the help