Wuxing cut off switch wiring

[Hammers]

Hello and thank you for letting me join the group I'm very new to e-bikes look forward to learning and helping where I can e-bike I'm doing my first build and need a bitt of help the break wires I have wuxing leavers but the red wire I don't now where it goes there is a white wire and a black wire cauld any one help as to we're the red goes pls thank you View attachment 164377