Cable color Bose rear

Hello, everybody.
I would like to exchange the rear Bose active speakers for normal speakers in conjunction with a blue point CD radio with ISO connections.
In order to save me from putting the cables from front to back, I would like to know which cable color is in the back for left and right as speaker cable
"responsible", or which cable color I can use from the plug on the radio ( for passive rear )
Can anyone help me?
Greetings Stefan