i think it normally depends on the rear car design....for example the S15....the front night club(hahaha....kidding...light cup...) of it can hold totally 3 pieces of light.....supposed to hold 2 white and 1 orange....for the rear one...it should be held 2 red and 1 orange la......
if anything i said wrong....just shout......
so u should better tell the model name u wanna know......