Sherwood XCM-6870R CD Changer "car stero connect yellow red" Questions

...stero, but I'm going to install an after market Alpine cd player in it's place....Can you tell me witch wires are for what?? use a test light with ignition off when u find power connect it to ...

...car stereo, so my question is where can i use to connect the remote cable from amplifier to stereo, is there any port from the stereo that i can use with the remote cable of the amplifier so i can ...