What do you mean that ground is long gone? I've done 4-5 engine swaps in a car and never hurt the ground wire. If you lost that ground, solder a new wire on or replace that damn icm harness.
Don't make me call you a .......hacker.
You can call me an incomplete detail guy, I was referring to the ground that I added. to the bottom of the plate from the battery.
2005 GPGT- Top Swapped Click me!15.5 @109
2002 GPGT- slow and stock
1993 Oldmobile 88- exploded the diff @158k GPF Resident Flowmaster Troll