2003 Yukon wiring schematic

I need a wiring schematic for a 2003 Yukon with the Bose stereo option and 6 disc CD player...looking to add some subs and need the colors for the remote and the speakers (front or rear, left and right, positive and negative) which at the back of the unit arent the same colors as a 97 Tahoe.

I believe the wire colors are the same but you need to catch them at either the amp or at the speakers.  The factory amplifier should be under the center console.  If you pull the cup holder out there will be to large black plugs, these are the wires for the amp, and the speaker wires should be there.  As for the remote wire you should use the green wire (acc wire/turn on) at the deckCertified Security Specialist

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I tried but I couldnt get any current to my speakers through my amp when connected to the normal colors AFTER the factory amp (amp powers up and everything...it is jsut a matter of finding the right wires)...dont i have to connect into the wires BEFORE they go into the factory amp???  Either way thank you very much because I wasnt aware of the factory amp's location.