ok! sorry for my ignorance, upon further research, the microswitch i previously posted an image of is the FULL THROTTLE switch. i now see that the idle speed microswitch is the larger one next to the air intake valve with two wires(black and black/green) leading to it.
attached is an image of a can-thing; the yellow wire that runs out of it, the joint is failing. i either need to take it apart and solder it, or replace it. what is that canister thing?
Attachment 52318
lastly, the red junction point on the wires to the idle speed microswitch is just that-it's a non-solder junction; it basically taps into the green/black wire and provides a junction point for the yellow wire. it was on the car when i acquired it.