2002 Mercury Grand Marquis Stereo Wiring Information
Radio Battery Constant 12v+ Wire: Violet/Light Blue
Radio Accessory Switched 12v+ Wire: Yellow/Black
Radio Ground Wire: Black
Radio Illumination Wire: Light Blue/Red
Stereo Amp Trigger Wire: Blue
Left Front Speaker Positive Wire (+): Orange/Light Green
Left Front Speaker Negative Wire (-): Light Blue/White
Right Front Speaker Positive Wire (+): White/Light Green
Right Front Speaker Negative Wire (-): Dark Green/Orange
Left Rear Speaker Positive Wire (+): Tan/Yellow
Left Rear Speaker Negative Wire (-): Gray/Blue
Right Rear Speaker Positive Wire (+): Brown/Pink
Right Rear Speaker Negative Wire (-): Orange/Red
The following information is currently not available:
Stereo Dimmer Wire
Stereo Antenna Trigger Wire
Audio Front Speakers Size
Audio Rear Speakers Size
*If you know any of the above or any other missing information please use the comment box below to notify us.