2012 Chevrolet Impala Radio Wiring w/Bose

i am installing subs tonight in my cousins girlfriends car for her bday. he has decided that we are just foing to stick with the factory head unit so my question is does anybody knw the wire colors and where the bose amp is in a 2012 impala so i can wire in a line-out converter i qould greatly appericiate it since im doing the 2 at 2 in the morning so she os suprised when she goes go workNick Miller

Left Front Speaker (+/-)     tan - gray     +,-     radio, black 14 pin plug, pins 2 and 9 On models with amplifier, the speaker wires are tan - gray at the amplifier under rear deck, black 16 pin plug (X2), pins 4 and 3. Right Front Speaker (+/-)     lt. green - dk. green     +,-     radio, black 14 pin plug, pins 3 and 10 On models with amplifier, the speaker wires are lt. green - dk. green at the amplifier under rear deck, black 16 pin plug (X2), pins 2 and 1. Left Rear Speaker (+/-)     brown - yellow     +,-     radio, black 16 pin plug, pins 5 and 13 On models with amplifier, the rear speaker is bi-amplified. The high end wires are brown - yellow at the amplifier under rear deck, black 16 pin plug (X2), pins 8 and 7. The low end wires are dk. blue/white - lt. GREEN/ black at the amplifier, black 8 pin plug (X3), pins 7 and 3. Right Rear Speaker (+/-)     dk. blue - lt. blue     +,-     radio, black 16 pin plug, pins 6 and 14 On models with amplifier, the rear speaker is bi-amplified. The high end wires are dk. blue - lt. blue at the amplifier under rear deck, black 16 pin plug (X2), pins 6 and 5. The low end wires are dk. green - lt. blue/black at the amplifier, black 8 pin plug (X3), pins 6 and 2. Center Channel (+/-)     N/A Subwoofer (+/-)     N/A Aux. Audio Input Left (+/-)     BROWN / white - dk. green (satellite audio)     +,-     radio, black 16 pin plug, pins 1 and 9 Aux. Audio Input Right (+/-)     dk. GREEN / WHITE - gray/black (satellite audio)     +,-     radio, black 16 pin plug, pins 2 and 10 RSE Video (+/-)     N/A RSE Audio Left (+/-)     N/A RSE Audio Right (+/-)     N/A Satellite Radio 12 Volts     RED / white     +     Sat Radio in R side of trnk, bk 16 pin plg, pin 16 Satellite Radio Ground     BLACK/ white     -     Sat Radio in R side of trnk, bk 16 pin plg, pin 9 Satellite Radio Ignition     (low speed GMLAN) Satellite Radio Antenna     (coaxial cable) Satellite Audio Left (+/-)     BROWN / white - dk. green     +,-     Satellite Radio, black 16 pin plug, pins 2 and 1 Satellite Audio Right (+/-)     dk. GREEN / WHITE - gray/black     +,-     Satellite Radio, black 16 pin plug, pins 3 and 4 Gary Sather

thanks that helped out a lot normally I would have just tested the wires but with me doing the install at 2 am thought this would be a faster safer bet lolNick Miller