Yellow is for the Memory and is always powered
Red is for the ignition, it becomes powered when you turn on your car
Orange is a dimming feature not always used
Black is the ground.
Blue and Blue with white stripe turns on your power antenna and/or you AMP
The 8 remaining wires are all for your speakers the ones with Black strips are the grounds
The white wire goes to left Front positive on Speaker
The Gray wire goes to the right Front positive on Speaker
The Green Wire connects to the Left Rear positive on Speaker
The Violet Wire Connects to the Right Rear positive on Speaker
If there are RCA wires on this they go to your amp.
Just Connect one wire at a time and you are set.
Plugs directly into your cars wiring harness to make the install quick and easy