70 dash harness non rallye ?

[70gtx440dana]

Wondering what the difference is in the non rallye dash harnesses for 70, 71 & 72. I see M&H lists a different part number for each year. Will a 72 harness work fine in a 70? If not, what adaptations need to be made?

 

[Chryco Psycho]

The positions of some wires were moved year to year .