Radio Wiring Colors, 2007 Chevrolet Uplander

There is no switched 12 volt wire to power the switched wire of your new radio. Here are all of the other wires.      Battery          RED / WHITE          (+)          RADIO HARNESS                Accesory          ORANGE          (DATA)          RADIO HARNESS                Ground          BLACK/ WHITE          (-)          RADIO HARNESS                Illumination          GRAY          (+)          RADIO HARNESS                LF Speaker (+)          TAN                LF Speaker (-)          GRAY                RF Speaker (+)          LIGHT GREEN                RF Speaker (-)          DARK GREEN                LR Speaker (+)          BROWN                LR Speaker (-)          YELLOW                RR Speaker (+)          DARK BLUE