Radio 12v red/white + radio harness
Radio Ground black/white - radio harness
Radio Ignition (GMLAN Serial Data)
Radio Illumination gray (dimmer) + radio harness
Factory Amp Turn-on same as power antenna wire
Power Antenna pink + radio harness
LF Speaker +/- tan - gray +,- radio harness or amplifier
Notes: If equipped, the amplifier is in the driver side rear quarter panel.
RF Speaker +/- lt. green - dk. green +,- radio harness or amplifier
LR Speaker +/- brown - yellow +,- radio harness or amplifier
RR Speaker +/- dk. blue - lt. blue +,- radio harness or amplifier