Stray unused connectors aren't always a problem. Sometimes they're for options not installed. Power window and power locks are both stand alone add on harnesses that plug in to the main body harness. Aux title lamp in kick panel might be for the Cordoba B pillar opera lamps or the rear defrost switch goes right there. Pink and yellow is generally locks. shiny electrical tape probably existed in the 70s but they used cloth tape at the factory and no doubt somebody has been in here. Might be time well spent peeling some of it back. Not gonna get any where until vr fixed.