2012 Civic Stereo Wiring Diagram. Left front speaker positive wire. Yellowred radio ground wire.
Radio accessory switched 12v wire. A single trick that we use is to printing the same wiring diagram off twice. Grayblack right front speaker wire.
Blueyellow left rear speaker wire.
Redyellow right rear speaker negative. Cavity wire color connects to. Redgreen right front speaker negative wire. Radio antenna trigger wire.