Car Stereo Wire Color Codes - Chevrolet Wire Diagrams and IMPORTANT - There are two (2) yellow*, two (2) gray and two (2) brown wires in this harness. Locate the +12 volt constant wire first. Label it or splice to constant wire on aftermarket stereo first. Swapping yellow wires will cause damage to any aftermarket stereo. 2011 Chevy Silverado Radio Wiring Diagram | Wirings Diagram 2011 Chevy Silverado Radio Wiring Diagram – 2011 chevy silverado 1500 stereo wiring diagram, 2011 chevy silverado radio wiring diagram, 2011 chevy silverado radio wiring harness diagram, Every electrical structure consists of various different pieces. Each part ought to be set and linked to other parts in specific manner. Otherwise, the arrangement will not work as it ought to be. 2010 Silverado Radio Wiring Diagram Collection 2010 Silverado Radio Wiring Diagram from wwwetteforum To properly read a cabling diagram, one has to find out how the particular components in the method operate. For example , in case a module is powered up and it sends out a signal of half the voltage plus the technician will not know this, he would think he has a problem, as this individual would expect the 12V signal.