1979 to 1969 wire harness

[chip46wis]

I was wondering about using the wiring harness from my 1979 parts truck and using it in my 69 stepside---the 69 harness has been cut many places and I dont see a splice ect in the 79.anyone done this/----seems like a natural as the power wire is there for the dist. the wiring is correct for the alt. ect ect. any help would be appreciated before I pull all the %$#@& wires. the parts truck was a air cond truck the 69 is not.-----TY