I bought a 98 2wd xj about 2 years ago been slowly buying parts and converting it but recently got into a stalemate I bought a 95 or older aw4 and had a guy take my 2wd tranny and the 4wd tranny and make one 4wd tranny but I'm getting a p0700 and p0720 code I replaced all speed sensors the input the output in the transfer case and the one right before the transfer case and I don't know why I'm getting codes can anyone help or have had this problem can help me