Making customized model from Overwatch. (Black textures on the second)

[GraczCourier]

https://files.facepunch.com/forum/upload/263253/fa64b1bf-a82a-4a51-9d32-5101d238c074/image.png

Can't clearly explain my problem, but I did this: Deleted the material and textures but I kept UV mapping. Wanted to fix and then replace hands and arms.