wiring an '88

Heres my problem, the factory radio harness was cut out and I haven't been able to find the constant 12 V and the 12 V switch. I also removed my fan and all controls there so there are quite a few of the same colour wires. Has anyone found a full wiring schematic for this model?

Edited: 12/26/2007 2:56:41 PM by LayedOutChevy

Battery BLUE/RED Accessory RED/BLACK Ground N/A (GROUND IT METAL) Illumination BLUE/WHITE LF Speaker (+) BLUE/RED LF Speaker (-) BLUE/YELLOW

RF Speaker (+) BLUE RF Speaker (-) BLUE/WHITE

LR Speaker (+) BLUE/RED LR Speaker (-) BLUE/GREEN

RR Speaker (+) BLUE/WHITE RR Speaker (-) BLUE/GREEN