2011 Honda CR-Z Audio
Radio 12V     pink     +     radio, 24 pin plug, pin 13
Radio Ground     black     -     radio, 24 pin plug, pin 1
Radio Ignition     purple     +     radio, 24 pin plug, pin 23
Radio Illumination     red (parking lights); white (dimmer)     +,-     radio, 24 pin plug, pins 24 - 12
Factory Amp Turn-on     white     +     radio, 24 pin plug, pin 20
Power Antenna     black     +     radio, 3 pin plug, pin 1
Left Front Speaker (+/-)     lt. blue - gray or yellow - pink     +,-     radio, 24 pin plug, pins 14 - 15
On models with amplifier, the speaker wires are white - gray (woofer); lt. blue - gray (tweeter) at the amplifier left of radio, 20 pin plug, pins 8 - 18; 7 - 17.
Right Front Speaker (+/-)     blue - red or green - orange     +,-     radio, 24 pin plug, pins 18 - 19
On models with amplifier, the speaker wires are blue - red (woofer); blue - red (tweeter) at the amplifier left of radio, 20 pin plug, pins 9 - 19; 10 - 20.
Left Rear Speaker (+/-)     gray - brown or red - green     +,-     radio, 24 pin plug, pins 2 - 3
On models with amplifier, the speaker wires are gray - brown at the amplifier left of radio, 20 pin plug, pins 3 - 13.
Right Rear Speaker (+/-)     blue - orange or lt. green - white     +,-     radio, 24 pin plug, pins 6 - 7
On models with amplifier, the speaker wires are blue - orange at the amplifier left of radio, 20 pin plug, pins 4 - 14.
Center Channel (+/-)     N/A     
     
Subwoofer (+/-)     red - lt. blue     +,-     amplifier left of radio, 20 pin plug, pins 6 - 16
Aux. Audio Input Left (+/-)     yellow - brown (with navigation)     +,-     radio, 24 pin plug (B), pins 24 - 12
Aux. Audio Input Right (+/-)     orange - brown (with navigation)     +,-     radio, 24 pin plug (B), pins 23 - 12
RSE Video (+/-)     N/A  
RSE Audio Left (+/-)     white - green or white - black (USB and XM audio)     +,-     radio, 14 pin plug, pins 1 - 7
RSE Audio Right (+/-)     black - red or red - green (USB and XM audio)     +,-     radio, 14 pin plug, pins 2 - 8
Satellite Radio 12 Volts     lt. blue     +     XM Receiver behind glove box, 14 pin plug, pin 6
Satellite Radio Ground     purple     -     XM Receiver behind glove box, 14 pin plug, pin 10
Satellite Radio Ignition     brown     +     XM Receiver behind glove box, 14 pin plug, pin 5
Satellite Radio Antenna     (coaxial cable)  
Satellite Audio Left (+/-)     white - black     +,-     XM Receiver, 14 pin plug, pins 1 - 7
Satellite Audio Right (+/-)     red - green     +,-     XM Receiver, 14 pin plug, pins 2 - 8