Looking to identify some engine bay plugs

Hi all. I have a 89 mustang coupe project car. I am trying to clean up the engine bay wiring since I only need a few of them. But I am having a hard time finding wiring diagrams or plug diagrams to help identify some of the wiring.

I am wondering if anyone can help identify some of the wiring and plugs that come out of the firewall on the drivers side.
One of them Is for the headlight harness. But there are a few more I have no idea about.

I will add some pictures and if anyone could help that would be awesome
I think this one is a power or some sort maybe? 1
5B4957A3-D507-484A-A80D-B74ECE35957B.jpeg

2
33C848AF-E3C8-4682-8743-127C112367DA.jpeg

3 this one is for the headlight harness but it has an extra single wire with it?
750503E1-D938-417B-84D7-BFEAC2E4A01E.jpeg

4 This one might be a ground
38995A30-9AA6-4803-BDF7-061B008BF6AB.jpeg

5
46C5AC28-866B-478D-BC84-E8823C96C71E.jpeg

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