NEED CD Changer optic cable and brackets

[dalbisla]

Hi about to fit command and CD changer to my 2002 ML. I need the cd changer brackets and also I think optic cable.
Has anyone got for sale please. I also have small black 3 pin plug at back wires are pink, brown and orange. Are these the power cables and if so what does the optic cable do
Any help would be most welcome
oh also looking to buy
CD disk I think tele atlas DX
Remote for my command

Thanks