I have a 93 jeep xj 4.0 and a 94 grand 5.2,what i want to do if possible is take the 5.2 and pcm along with the injector harness and swap it into the 93 xj. my ?........is the wiring harness in both,close enough to the same,with the exeption of the injector harness,to plug and play? As far as trans and transfer case,Axles,etc i have everything i may need to swap the rest of the rig to handle the 5.2.