Car Audio Wiring Diagram. The right-front speaker wires are gray left-front speakers are white right-rear speakers are purple and left-rear speakers are green. If additional installation procedures or information is needed contact a qualified car stereo installer.
This wiring diagram shows how a full-blown car audio system upgrade gets wired in a car. Please verify all wire colors and diagrams before applying any information. View my channel joe electronics schematic for auto and my other channel automotive electronic schematics by joseph for more automotive diagnostics and video.
It covers most makes of vehicle and has both stereo wiring diagrams and car alarm wiring diagrams.
So the harnesses had to evolve to handle the complex wiring and data information that modern cars use. The dotted black line shows the path of the preamp audio signal before its amplified from a head unit through an equalizer and electronic crossover and to the amplifier. Components of car stereo wiring diagram and a few tips. Your new stereo will come with a diagram indicating what each wire is and what it needs to be connected to but that process can be made much simpler by using a wiring harness clip adaptor.