2003-2006 Pontiac GTO Stereo Wiring

I dont supose any one has a pontiac gto 2003-2006 wiring diagram do they?

2004 Pontiac GTO 28 Pin Connector behind radio: Pin - Wire Color - Function A1 -GN/WH - UART Serial Data - Secondary A2 - OG/BK - Battery Positive Voltage A3 - YE/BK - Cellular Telephone Connector Mute Signal A4 - YE - Accessory Voltage A5 - YE/RD - Radio On Signal A6 - BN/WH - Instrument Panel Lamp Fuse Supply Voltage A7 - OG/BK - Battery Positive Voltage A8 - BK/WH - Ground B1 - BU/OG - Right Rear Speaker Output (+) B2 - BU/BK - Right Rear Speaker Output (-) B3 - L-GN - Right Front Speaker Output (+) B4 - GN - Right Front Speaker Output (-) B5 - TN - Left Front Speaker Output (+) B6 - GY - Left Front Speaker Output (-) B7 - BN/BK - Left Rear Speaker Output (+) B8 - YE/BU - Left Rear Speaker Output (-) C1-C6 - Not Used C7 - BU/BK - Cellular Microphone Signal C8 - BU - Audio Return Signal C9-C10 - Not Used C11 - BN - Steering Wheel Controls Signal C12 - BK/YE - Ground C13-C20 - Not Used Hope it helps, Mike