Gm Stereo Wiring Diagram 1979 C20

Wiring a radio into a 1976 c10, which stock wires are which? Wiring diagram chevy k20 1977 silverado chevrolet stepside radio light tail schematic 1976 solenoid c10 cab diagrams which gm find gm stereo wiring diagram 1979 c20

wiring a radio into a 1976 c10, which stock wires are which?