Stop in for a cup of coffee

Try putting the tips of the continuity tester on the different terminals two at a time in different combinations to see which one(s) will have continuity.... If you find only one combination that will trigger the continuity tester, then those should be the two connections that you should use.... As long as two of them are not connected to the same node...
I think it's just a question of which of the 2 terminals on speaker is + or -. As Frank said it would work as long as you are consistent wiring all the same they won't cancel. I think on better speakers you will lose some sound quality. Mostly on that thumpin base of your Disco tunes. :poke::lol: