These are the ebay ones i bought
https://rover.ebay.com/rover/0/0/0?m...2F381575113139
In the picture for the blue lead/video:
The black is the neg and red the pos
The audio leads have a thicker black wire which is the left and right neg combined.
The red is the right pos and the thinner black is the left pos.
If yours are different send me a pic.
Hope this helps mate.