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

Gm Stereo Wiring Diagram 1979 C20

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

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

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