My escort needs a plug wired up for my headunit, as it has been chopped off, anyone tell me what wire does what please?

cheers

 

red-live, yellow-ignition, brown-earth, grey/yellow-lights,
yellow/black-front left pos, white/black-front left neg
yellow/brown-front right pos, white/brown-front right neg
yellow/green-rear left pos, white /green-rear left neg
yellow/red-rear right pos, white/red-rear right neg