Hey just a quick query was looking to install an aftermarket radio in my vectra and was wonderin wat all do i need, i know i need a facia adaptor and im guessing its the charcoal metallic one, also wat steering wheel lead adaptor thing do i need, i really havent a clue and im not paying those halfrauds peps money for their stuff when i can order it online, is there anything else i need. cheers.