Oldsmobile Bravada III (2001-2004) Base radio circuit, without rear seat audio

A/C SYSTEM AM ANTENNA AM/FM ANTENNA BLK/WHT WIRE BODY CONTROL MODULE BRN WIRE COAX COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE ENABLE SIG FM ANTENNA FM IMPEDANCE MATCHING MODULE FM SIG GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL LF DOOR SPEAKER LF DOOR TWEETER SPEAKER LF OUT LR DOOR SPEAKER LR OUT LT BLU WIRE LT GRN WIRE MODE NCA WIRE ORG/ WIRE PNK WIRE PPL/WHT WIRE RADIO RADIO ANTENNA RADIO ANTENNA MODULE RADIO CONTROL SIGNAL RADIO FUSE 41 RF DOOR SPEAKER RF DOOR TWEETER SPEAKER RF OUT RR DOOR SPEAKER RR OUT RR OUT + GROUND SERIAL DATA STEERING WHEEL CONTROLS ASSEMBLY SUPPLY VOLTAGE TAN WIRE VOLUME AM/FM SWITCH VOLUME DOWN VOLUME UP WHT WIRE WIPER/ WASHER SYSTEM YEL WIRE