Join Date: Sep 1999
Location: Boilermaker Country USA
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Good Question. Not having proper grounds on the PCM and computer for my 4.0 transplant have been the most important thing in getting the engine to operate correctly. Not having well connected or available grounds have taught me more that anything during my engine swap. Since the altenator is the energy heart to operate all the a-zillion amp hungry stuff in my Jeep, I don't want to take any chances, hence I want to be dog-gone sure I have the best possible ground for that enrgy producing device. Thanks.
P.S. I took me months (my bride would say years, hehehe,) to sort out a 94 OEM YJ wiring harness to get just what I needed to mate it over to my 85 CJ.
1985 CJ with a transplanted 94YJ 4.0L motor, T176 tranny, mainly stock otherwise. ><>