If the wires are the same colour, they do the same thing.
Hahaha, you haven't seen chinese wiring looms then.
The BMS balance cable sets are things like
A) 1 Red wire, rest are black wires, no matter how many cells are involved.
B) Several Red wires, rest are black wires, again same issues.
C) Random colour wire order; Black, Red, White, Yellow, Orange, Green, Blue, Purple. So Black is positive, Purple is negative, the other wires are between cells.
There is a reason I don't assume wires are actually what they appear, certain sloppy people will use whatever colour wire they have left in stock.