GMC Rally G2500 (1985-1995) Radio circuits, with cd player or cassette

ANTENNA ANTENNA INPUT BLK WIRE BRN WIRE BUS BAR GROUND COAXIAL CABLE DK BLU WIRE DK GRN WIRE FUSE BLOCK (UNDER LEFT SIDE OF DASH) GRY WIRE HORN- DM FUSE HOT AT ALL TIMES HOT IN ACCY OR RUN HOT IN PARK OR HEAD INST LPS FUSE INST LPS LIGHT SW PWR ANTENNA POWER BAT+ INTERIOR LIGHTS SYSTEM, POWER ANTENNA SYSTEM LEFT FRONT SPEAKER LEFT REAR SPEAKER LT BLU WIRE LT FRT SPKR LT FRT SPKR RT FRT SPKR RT FRT SPKR LT GRN WIRE ORG/ WIRE PNK WIRE RADIO RADIO FUSE RIGHT FRONT SPEAKER RIGHT REAR SPEAKER RT REAR SPKR RT REAR SPKR LT REAR SPKR LT REAR SPKR TAN WIRE YEL WIRE