Not sure where to put this but i need help

I just got a CD player for my car its really old. i basicly got it for free and i want to hook it up. i just have a bunch of wires comming straight from the harness and i dont know what color is what and what its used for. please help

thanks
matt

Oh yeah i have a 1987 T2

 

i would get a harness if you cant do that then plug in the hot wire to power the ground to metal and rewire all the speakers to the radio, u will get better sound because u rewired it all

 

Stereo wiring colours are in the FAQ.