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2007 Chevy Avalanche, Full Bose Audio Replacement?


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mrcllusb 
Copper - Posts: 489
Copper spacespace
Joined: September 06, 2005
Location: Georgia, United States
Posted: January 07, 2019 at 8:01 PM / IP Logged Link to Post Post Reply Quote mrcllusb
For anyone who has done one of these, I have an 07 Avalanche non-navigation but Bose system. I want to replace the head unit and all door speakers and add an amp but keep onstar and chimes. Which harness kit did you use, how did you bypass the Bose amp and did you grab the speaker wires from the output harness of the Bose amp?
"ole blake"
motosaki 
Member - Posts: 24
Member spacespace
Joined: January 23, 2019
Location: North Dakota, United States
Posted: February 06, 2019 at 3:30 PM / IP Logged Link to Post Post Reply Quote motosaki
The harness to use will be the PAC Audio BLU-GM29, but with an aftermarket 4-channel amp you will have to add an external speaker just for the on-star the signal will not pass thru RCA outputs of the aftermarket deck.
Here is the wiring
Radio 12V     red/white     +     radio, black 14 pin plug, pin 1
Radio Ground     black     -     radio, black 14 pin plug, pin 8
Radio Ignition     (low speed GMLAN)
          
Radio Illumination     yellow (dimmer)     +     radio, black 14 pin plug, pin 7
Factory Amp Turn-on     (same as power antenna) (some models only)
          
Power Antenna     white     +     radio, black 14 pin plug, pin 6
Left Front Speaker (+/-)     tan - gray or tan - dk. green     +,-     radio, black 14 pin plug, pins 2 - 9
Note - Left Front Speaker (+/-): On models with amplifier, the speaker wires are tan - gray at the amplifier under rear of center console, black 16 pin plug, pins 4 - 3 (without surround) or 4 - 5 (with surround).
Right Front Speaker (+/-)     lt. green - dk. green or lt. green/white - org/blk     +,-     radio, black 14 pin plug, pins 3 - 10
Note - Right Front Speaker (+/-): On models with amplifier, the speaker wires are lt. green - dk. green at the amplifier under rear of center console, black 16 pin plug, pins 2 - 1 (without surround) or 7 - 6 (with surround).
Left Rear Speaker (+/-)     brown - yellow or brown/white - brown     +,-     radio, black 16 pin plug, pins 5 - 13
Note - Left Rear Speaker (+/-): On models with amplifier, the speaker wires are brown - yellow at the amplifier under rear of center console, black 16 pin plug, pins 8 - 7 (without surround) or 15 - 14 (with surround). The tweeter wires are tan - white at the amplifier, black 16 pin plug, pins 11 - 10 (with surround).
Right Rear Speaker (+/-)     dk. blue - lt. blue or dk. blue - tan     +,-     radio, black 16 pin plug, pins 6 - 14
Note - Right Rear Speaker (+/-): On models with amplifier, the speaker wires are dk. blue - lt. blue at the amplifier under rear of center console, black 16 pin plug, pins 6 - 5 (without surround) or 16 - 8 (with surround). The tweeter wires are tan/white - orange at the amplifier, black 16 pin plug, pins 3 - 2 (with surround).
Center Channel (+/-)     dk. blue - orange (with surround)     +,-     radio, brown 16 pin plug, pins 3 - 11
Note - Center Channel (+/-): On models with amplifier, the speaker wires are yellow/black - lt. blue at the amplifier under rear of center console, black 16 pin plug, pins 13 - 12.
Subwoofer (+/-)     white - pink (with surround)     +,-     radio, brown 16 pin plug, pins 4 - 12
Note - Subwoofer (+/-): On models with amplifier, the subwoofer 1 wires are dk. blue/white - lt. green/black at the amplifier under rear of center console, gray 8 pin plug, pins 7 - 3 (without surround) or black 8 pin plug, pins 1 - 2 (with surround). The subwoofer 2 wires are dk. green - lt. blue/black at the amplifier, gray 8 pin plug, pins 6 - 2 (without surround) or black 8 pin plug, pins 7 - 3 (with surround).
15yrs. in the industry. everything from simple deck installs, to remote starters, and full custom audio systems. I've Installed it all.

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