Brake Light Wire

[ABETRMAN]

Looking for some help. I have seen the light diagram but I cannot figure which wire is the one for the brake. I am trying to do a curt wiring harness and am not sure which wire to splice into. Hope someone can help.

Thanks

 

[Viperi]

did you figure this out? im also looking for the brake light, reverse light, and a auxilary power from the back