Questions about 1978 c10 parts on a 1974

[ivorton74]

So I have a friend who's parting out a 78 big 10 and he told me give him $200 and I can have whatever I want from it. But I'm not sure about fitments of the 78 parts on my 74. I'm taking the tilt steering column, tailgate band, parts of the front clip(fenders and inner fenders, core support, bumper),driver side door, seat belts and gauge cluster.

1..Is there anything I have to do to make the tilt column work in my truck?

2..Also I was thinking about swapping the dash but my truck is a non a/c truck and the 78 is...will this be able to work?

3..Next is how do I fit the tailgate band on my tailgate?

4..Can the 78 door cards fit on a 74 door? I'm only taking on the driver side door off the 78 because the passenger side is rusted

5..Is the wiring for the 78 gauge cluster different from the 74?