There are two large connectors for the transmission near the starter. Another knock sensor at the rear of the block, a starter connection and the oil level sensor down at the pan.
This large wire threw me for a couple minutes until I jogged my memory. I hadn’t marked it when I removed the harness. It is a ground connection to the rear of the lower intake manifold.
Here is a little rope trick I did when I removed the rear wiring harness over the top of the transmission. I tied a rope to the end of the harness and dragged it along with the wiring harness up through the firewall. This made it much easier to feed the harness back through the same path past the starter and over the tranny. It is a tight fit between the tranny and the body below the drivers footwell.
There are two connections at the transmission:
And two O2 sensors. This is the front:
I finished the evenings’ work by placing the upper intake and throttle body. I’m almost there.
This engine will never look this clean again.