TBI wiring issues, again...the week of bad luck...

[cfan10]

Dog cracked tablet and all the downloaded wiring manuals were on it.
Phone camera not working, and not compatible to download the wiring manuals again! That means I cannot show photos of the wiring I need help with.
What I need help with I can't seem to find on google searches.

Wiring up the '91 suburban I've run into a few issues...wiring harness is from a '90 suburban doing the swap because the frame on the '90 is damaged. I've already swapped the 5.7 you/700r4 over to the '91... Help/advice is greatly appreciated! Thanks in advance for your time!

Oil pressure switch plug: what wire does the tan wire connect to, (mine is cut off)

Bulkhead connector: gray wire is cut off what looks like it was 3 wires connected using soldered metal clamp.
On google I saw a bulkhead diagram and looks to be (E7)

Alternator plug: brown wire is cut off what/where does the brown wire connect?
(2 wire alternator plug, pink/black and brown wire)

Transmission TCC plug: 2 purple wires with unknown plug, 1 purple wire is cut off. What/where does this wire connect to?