Red = power - accessory
yellow= power to battery or constant. (normally has a fuse) saves your radio and clock settings
blue= power antenna or outboard amp trigger
black= earth. some units will earth via the antenna but best to connect it anyway to reduce system noise
speakers will group together front and rear
front is generally grey and grey with black stripe
white and white with black stripe
from memory white is right.
rears will be green and green with black stripe
and purple and purple with black stripe.
found this info in the search