SedanCoupe All of this information is taken from a 2008 Honda Civic! From what i can tell though, all 06+ Civics follow this system. Regular Stereo System (Not Premium, No amplifier) Premium Stereo System (With Amplifier)Navigation System (With Amplifier)XM ReceiverStereo Amplifier (Coupe and Sedan Pinouts are the same)Auxiliary Jack Pinout Tables Note: The P after a number denotes the number.. Car Radio Ground Wire: Black Car Radio Illumination Wire: Red/Black Car Stereo Dimmer Wire: Red Car Stereo Antenna Trigger Wire: Gray Car Stereo Amp Trigger Wire: Light Blue Car Stereo Amplifier Location: Located in the front of the center console under the center of the dash. Car Audio Front Speakers Size: N/A Car Audio Front Speakers Location.
Stereo Out (Pre-Out) Speaker Output Terminals Remote Control Cables Inputs/Outputs (For Accessories) Common Honda Civic 2008 Radio Wiring Diagram Legend When interpreting a diagram, it's very important to understand the meaning of each marking. Most diagrams will feature a legend along the bottom which explains each symbol present.. 2008 Honda Civic Stereo Wiring Information Radio Battery Constant 12v+ Wire: White Radio Accessory Switched 12v+ Wire: Violet Radio Ground Wire: Black Radio Illumination Wire: Red/Black Stereo Dimmer Wire: Red Stereo Antenna Trigger Wire: Gray Stereo Amp Trigger Wire: Light Blue Left Front Speaker Positive Wire (+): Light Green Left Front Speaker Negative Wire (-): Pink Right Front Speaker.