That's the NGS which tells the ECU the trans is in neutral and does affect idle strategy a bit. The actual neutral safety is jumped already on the reverse light harness.
To answer your question, yes, you can just swap the two top covers. You could actually drill and tap the 4 cyl cover to add the plug, although it's easier to swap.
Thanks guys!
I wanted to keep the functionality, so pulled the top plates and swapped them. Had to pull the tail housing as well…
Not difficult, just chewed up all my time for today…
The chewed gear is from the 5.0 unit. The 2.3 trans looked pretty