Stereo Wiring Colours

2006 Ford Focus Car Stereo Wire Color Codes
Car Radio Battery Constant 12v+ Wire: Yellow/Green
Car Radio Accessory Switched 12v+ Wire: Orange/Black
Car Radio Ground Wire: Black/Green
Car Radio Illumination Wire: Orange/Black
Car Stereo Dimmer Wire: N/A
Car Stereo Antenna Trigger Wire: N/A
Car Stereo Amp Trigger Wire: N/A
Car Stereo Amplifier Location: N/A
Car Audio Front Speakers Size: N/A
Car Audio Front Speakers Location: N/A
Left Front Speaker Positive Wire (+): White/Black
Left Front Speaker Negative Wire (-): Gray/Black
Right Front Speaker Positive Wire (+): White/Red
Right Front Speaker Negative Wire (-): Gray/Red
Car Audio Rear Speakers Size: N/A
Car Audio Rear Speakers Location: N/A
Left Rear Speaker Positive Wire (+): White/Green
Left Rear Speaker Negative Wire (-): Gray/White
Right Rear Speaker Positive Wire (+): White
Right Rear Speaker Negative Wire (-): Gray


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I would just buy a harness at walmart, autozone or best buy or anystore like that. its worth the money, you can order it cheaper through ebay if you can wait.