Base radio circuit, with rear seat audio for Chevrolet TrailBlazer I (2001-2006)

ANTENNA AUXILIARY HVAC CONTROL MODULE BARE BARE DRAIN WIRE BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE DIGITAL RADIO ANTENNA DIGITAL RADIO RECEIVER DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE ENGINE CONTROLS SYSTEM GROUND GROUND RADIO ON SIG GRY WIRE HOT AT ALL TIMES HVAC-B FUSE 36 L AUD SIG + R AUD SIG + LF OUT LR LOW LEVEL AUDIO SIG + LR OUT LR SPEAKER OUT - LT BLU LT BLU WIRE LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK/BLK WIRE R AUD SIG + L AUD SIG + RADIO ON SIG REMOTE OUT - REMOTE L SIG RADIO RADIO FUSE 41 REAR FUSE BLOCK (BELOW LEFT REAR SEAT) REMOTE L SIG REMOTE OUT - RF OUT RR LOW LEVEL AUDIO SIG + RR OUT RR OUT + GROUND RR SPEAKER OUT + SERIAL DATA TAN WIRE VSS YEL WIRE

BODY CONTROL MODULE (BENEATH LEFT REAR SEAT, ON REAR FUSE BLOCK) BRN WIRE DK BLU WIRE DK GRN WIRE GRY WIRE INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL LF DOOR SPEAKER LF DOOR TWEETER SPEAKER LR DOOR SPEAKER LT BLU WIRE LT GRN WIRE NCA WIRE PNK WIRE RADIO CONTROL SIGNAL RF DOOR SPEAKER RF DOOR TWEETER SPEAKER RR DOOR SPEAKER SEEK DOWN SEEK PROG SEEK UP SEEK VOICE SERIAL DATA SOURCE DOWN SOURCE UP STEERING WHEEL) SUPPLY VOLTAGE TAN WIRE UPPER LEFT STEERING WHEEL CONTROL SWITCH ASSEMBLY UPPER RIGHT STEERING WHEEL CONTROL SWITCH ASSEMBLY VOLUME DOWN VOLUME UP WHT WIRE WIPER/ WASHER SYSTEM YEL WIRE