1996 ford f350 auto transmission to a standerd transmission, do i need to change wire hardness on the truck, im changing the auto 4x4 to a standerd 4x4, they both has the same transfer case, but what do i need to do, all ready have the other truck here and all ready pulled the tranny out

 

Just the one for the trans.
You'll also need to change the pcm

 

You won't HAVE to change the PCM, but you can have any number of tuning companies sell you tuning for a manual transmission and it will work just fine.