What is the black wire on a radio?
What is the black wire on a radio? The red wire is for the 12 volt ignition, which can be attached to the stereo. The yellow wire is the 12 volt battery wire, which should also be attached to the stereo for power. The final wire, the black wire, is the ground wire. This wire, once attached to the stereo, will help ground it. What kind of wire does a Chevy Silverado use? If your Chevy Silverado has a 16-pin plug on the back of your stereo, you will need to follow this guide instead of the previous one. Silverado...