Car wiring diagrams: 00 Honda Civic Wiring Diagram, wiring diagram, wire wiring harness, schematic circuit diagram, wiring diagran, wireing diagram, wirring diagram, wiring daigram, wiring diagrams. Feel free to use any Honda Civic car stereo wiring diagram that is listed on The Honda Civic radio wire color information above is updated as it is .Does anyone have a wiring diagram of what color wire does what on a civic coupe?.Honda Civic Stereo Wiring. Constant V , Blue White. Switched V , Yellow Red. Ground, Black. Illumination, Red Black. Dimmer, n a. Antenna .