HELP - wiring problem

Morning all, I am in the process of fitting a R&G tail tidy to my DRZ and come a cropper over the wiring.

The instructions say the tail light connections are Red brake, Yellow tail and Black earth all good but I have a Grey a White and Black and a Black and White so what connects to what?

can anyone help:D

Here is a link to the wiring diagram:

DRZ wiring Diag.


Your a star:D:D

all sorted rear end looks so much ‘tidier’