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2005 GMC Sierra Stereo Wiring Pin Out

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Member - Posts: 1
Member spacespace
Joined: August 22, 2005
Location: United States
Posted: August 25, 2005 at 8:52 AM / IP Logged  

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 nav.



Copper - Posts: 151
Copper spacespace
Joined: December 12, 2003
Location: Georgia, United States
Posted: September 14, 2005 at 10:26 PM / IP Logged  
    This info only good if it dont have the Bose audio system. This has standard GM colors but also class2 data bus. You need Metra part numbers GMRC-01, 99-2003, and 40-GM10. The tweeters in the front doors are just in parallel with the mid.
Member - Posts: 1
Member spacespace
Joined: October 22, 2005
Posted: October 22, 2005 at 10:32 AM / IP Logged  
I need the wiring diagram for one with the bose system in a 2005 Chevy Duramax crew cab.
Copper - Posts: 53
Copper spacespace
Joined: June 29, 2005
Location: Korea, North
Posted: October 23, 2005 at 8:02 PM / IP Logged  

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   LF speaker output(-) or LF low level audio signal(-)

                      or blk           RR speaker output(-) or RR low level audio signal(-)

                                         RR speaker output(+) or RR low level audio signal(+)

                               A12---blk/white                 Ground

                               B1---orange                      Battery Positive Voltage


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


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


                               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(-)

                                                     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!

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Disclaimer: *All information on this site ( ) is provided "as is" without any warranty of any kind, either expressed or implied, including but not limited to fitness for a particular use. Any user assumes the entire risk as to the accuracy and use of this information. Please verify all wire colors and diagrams before applying any information.

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