Wire ID help - under dash drivers side
 

We've picked up a 1988 Vert with many previous lives and its hard figuring out who did what on it.

I've found these green wires with red perpendicular stripes twisted onto a couple grey wires. I don't think they go to either the underdash speaker or the door. Any clue?

There is also a black female round plug right next to it in the circled area, no idea what it is. Any clues?

Lastly, On the fuse box panel, there is a red wire with a spade terminal plugged into a slot. Any clue as to what or why?

Any help is much appreciated!

previous owners like to hack into wiring and leave a cluster fark for others..
That spade wire is a 12v feed for something..who knows.
the other 2..again..anyone's guess.

The only way to find out is to follow the mess...that red wire would be a start.