Which end of the connector? The 6 pin end - would mean switching green and red. ( 1:black, 3:red, 4:green, 6:blue) Then presumably switching green and red on the board end would be equivalent. That would be pins 2 an 4, if 1.:black, 2:green, 3:blue, 4:red. Which is the wiring my motor came with.
It might be helpful, if a clearer pin-out diagram was provided in the instructions, than just a pic of the Creality board - which can easily be found on a web search.
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