2005 GMC Sierra Stereo Wiring Pin Out

Hi Im looking for a wiring diagram for a 2005 gmc sierra extendended cab. I think it has 6 speakers.2 in each front door and 1 speaker in each rear door.I have the cd/cassette player. no onstar.no nav.

thanks

scott

Radio C1 24way     A1-----orange   class2 data serial       A2--------N/A

                               A3-----purple   RSA enable(UQ7)         A4 thru A7     N/A

                               A8-----tan      LF speaker output(+)  or LF low level audio signal(+)

                               A9-----gray or dk.green   LF speaker output(-) or LF low level audio signal(-)

                               A10---lt.blue or blk           RR speaker output(-) or RR low level audio signal(-)

                               A11---dk.blue                    RR speaker output(+) or RR low level audio signal(+)

                               A12---blk/white                 Ground

                               B1---orange                      Battery Positive Voltage

                               B2-----N/A

                               B3-----pink                         Radio on signal(UQ7 w/o Y91)

                               B4&B5----N/A

                               B6------gray/blk                Radio mute(UQ7 w/o Y91)

                               B7------N/A

                               B8------brown                   LR speaker output(+) or LR low level audio signal(+)

                               B9------yellow or dk.GREEN/ wht    LR speaker output(-) or LR low level audio signal(-)

                               B10----dk green or ORANGE / blk    RF speaker output(+) or RF low level audio signal(-)

                               B11----lt.green                                RF speaker output(-) or RF low level audio signal(-)

*UQ7 means BOSE system    UQ3 and UQ5 means regular spkr systems.

  Check your "SERVICE PARTS ID" with VIN .                         Good luck!