How do you hook up a CD player in a 1990 Jeep Cherokee Laredo?

I have a 1990 Jeep Cherokee Laredo and I am trying to install my Pioneer DEH-2000MP CD player.My friend gave me a wire harness that fits and works.I got it to turn on but no music coming out of the speakers. I unhooked it all and tried it again and now nothing is coming on.Is there anyway I could print out a diagram of what wires are what?Or does someone know what wires are what and where i hook it up to? you want to stick it in me deep baby.

go to ur locala car audio shop..
its to confusing

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