Wiring color code radio
Here is what I show from the manual.
2005 Hummer H2 Car Audio Installation Guide
Car Radio Battery Constant 12v+ Wire: Orange
Car Radio Ground Wire: Black/White
Car Stereo Antenna Trigger Wire: Gray
Car Stereo Amp Trigger Wire: Pink
Car Stereo Amplifier Location: Under the Center Console or Behind the Glove Box
Left Front Speaker Positive Wire (+): Tan
Left Front Speaker Negative Wire (-): Gray
Right Front Speaker Positive Wire (+): Light Green
Right Front Speaker Negative Wire (-): Dark Green
Left Rear Speaker Positive Wire (+): Brown
Left Rear Speaker Negative Wire (-): Yellow
Right Rear Speaker Positive Wire (+): Dark Blue
Right Rear Speaker Negative Wire (-): Light Blue
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