How to Identify Aftermarket Car Stereo Wire Colors The reason you usually don't actually need a wiring diagram to install a car stereo, even if it's a second-hand unit that didn't come with any paperwork, is that aftermarket car stereo wire colors are Car radio wiring connector diagram - TehnoMagazin Car radio wiring diagrams car radio wire diagram radio wire diagram stereo wiring diagram gm radio wiring diagram. Car stereo wiring diagrams car radio wiring car Car Stereo Wiring Color and Identification Basics You can either track down a wiring diagram for that specific make, model, and year, or you can grab an inexpensive multimeter, which is an essential tool for DIY car stereo wiring projects, and an AA battery, and figure it out on your own. The Install Doctor - The Do-It-Yourself Car Stereo The Install Doctor has gathered common car radio wiring and car stereo wiring information for the most popular automakers and placed this information into quick reference documents. Each document shows a diagram of the automakers radio wire harness connector and lists what each wire is with its typical wire color. In Adobe Acrobat Reader Format SONY Car Radio Stereo Audio Wiring Diagram Autoradio SONY Car Radio Stereo Audio Wiring Diagram Autoradio connector wire installation schematic schema esquema de conexiones stecker konektor connecteur cable shema car stereo harness wire speaker pinout connectors power how to install. SONY Car radio wiring diagrams. Car radio wire diagram stereo wiring diagram gm radio wiring diagram. Aftermarket Car Stereo Wiring Color Codes - A Aftermarket Car Stereo Wiring Color Codes. Why Do I need An Aftermarket Wiring Harness? Generally, when installing a new car stereo into your vehicle you’ll need an aftermarket wiring harness that clips onto the factory harness you pulled off of the back of your factory radio during its removal.