Buick Century VI (1997-2005) radio Wiring diagrams

BLK WIRE BODY CONTROL MODULE (BCM) (BEHIND LEFT SIDE OF DASH, LEFT OF STEERING COLUMN) DATA CLSS 2 DATA LINK CONNECTOR (DLC) (UNDER LEFT SIDE OF DASH, RIGHT OF STEERING COLUMN) DK BLU WIRE DK GRN WIRE E, C SER DATA GRY WIRE HOT AT ALL TIMES HVAC CONTROL MODULE I/P FUSE BLOCK (BEHIND RIGHT SIDE OF DASH, IN RIGHT DOOR OPENING) INSTRUMENT PANEL CLUSTER LT BLU WIRE LT GRN WIRE ORG/ WIRE PPL RADIO RADIO, HVAC, RFA, CLUSTER, DATA LINK FUSE SPLICE VEHICLE COMMUNICATIONS INTERFACE MODULE (ON REAR OF LEFT REAR WHEELHOUSE) WHT WIRE

3 CM FROM AUDIO AMPLIFIER (W/ AMP) AUTOMATIC HEADLAMP RELAY BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) BRAKE FLUID LEVEL SWITCH CENTER HIGH MOUNTED STOP LAMPS CRUISE CONTROL MODULE DRIVER INFORMATION DISPLAY SWITCH (REGAL) DATA LINK CONNECTOR (DLC) DRIVER SEAT HEATER CONTROL MODULE DRIVER SEAT ADJUSTER SWITCH DRIVER SEAT HEATER SWITCH PASSENGER SEAT HEATER SWITCH DRIVER WINDOW MASTER SWITCH DRIVER'S HEATED SEAT BACK ELEMENT DRIVER'S HEATED SEAT THERMISTER DRIVER SEAT BELT SWITCH EXC ONSTAR EXC ONSTAR ONSTAR FOG LAMP SWITCH (REGAL) GROUND (ON STEERING COLUMN) HEADLAMP DIMMER SWITCH HEADLAMP SWITCH IGNITION KEY ALARM SWITCH INSTRUMENT PANEL CLUSTER (IPC) LEFT FRONT DOOR LOCK LEFT FRONT DOOR LOCK SWITCH LEFT REAR DOOR LOCK (AJAR INDICATOR SWITCH) LEFT REAR PARK LAMP LEFT REAR PARK LAMP LEFT LICENSE LAMP LEFT ROOF RAIL COURTESY/ READING LAMP NCA WIRE ONSTAR OUTSIDE REMOTE CONTROL REARVIEW MIRROR SWITCH PASSENGER SEAT HEATER CONTROL MODULE PASSENGER'S HEATED SEAT BACK ELEMENT PASSENGER'S HEATED SEAT THERMISTOR PASSENGER SEAT ADJUSTER SWITCH RADIO RADIO ANTENNA MODULE REAR COMPARTMENT LID AJAR SWITCH REAR COMPARTMENT LID LOCK RELEASE ACTUATOR REAR COMPARTMENT LID RELEASE SWITCH REAR WDO ANTENNA FIXED ANTENNA REMOTE CONTROL DOOR LOCK RECEIVER RIGHT BACK-UP LAMP RIGHT LICENSE LAMP LEFT BACK-UP LAMP RIGHT FRONT DOOR LOCK (AJAR INDICATOR SWITCH) RIGHT FRONT DOOR LOCK SWITCH RIGHT FRONT WINDOW SWITCH RIGHT REAR DOOR LOCK (AJAR INDICATOR SWITCH) RIGHT REAR PARK LAMP RIGHT REAR PARK LAMP RIGHT ROOF RAIL COURTESY/ READING LAMP LEFT VANITY MIRROR LAMP RIGHT TAIL/ STOP/TURN SIGNAL LAMP RIGHT REAR SIDE MARKER LAMP FUEL PUMP RIGHT VANITY MIRROR LAMP INSIDE REARVIEW MIRROR SUNROOF MODULE TAN WIRE TIRE RESET SWITCH TRACTION CONTROL SWITCH (REGAL) INSTRUMENT PANEL CLUSTER (IPC) TURN SIGNAL/ HAZARD FLASHER MODULE VEHICLE COMMUNICATIONS INTERFACE MODULE W/ HEATED SEATS (PASS SEAT HARN, 20 CM FROM W/O HEATED SEATS WHT WIRE WIND- SHIELD WIPER MOTOR

A/T SHIFT LOCK CONTROL SWITCH BCM ACC FUSE BLK WIRE BODY CONTROL MODULE (BCM) BODY CONTROL MODULE (BCM) (BELOW LEFT SIDE OF DASH) BREAKOUT) BRN (OR DK BLU) WIRE BRN WIRE CRANK SIGNAL BCM, CLUSTER FUSE DK BLU WIRE DK GRN WIRE FROM GEN FUSE 21 (DIAGRAM 1 OF 3) FROM IGNITION SWITCH (DIAGRAM 2 OF 3) FROM INADV POWER BUS FUSE (DIAGRAM 1 OF 3) FROM R HEATED SEAT FUSE DIAGRAM (1 OF 3) FUSE 5 FUSE 8 FUSE BLOCK, UNDER- HOOD FUSE BLOCK- I/P FUSE BLOCK- UNDERHOOD GRY WIRE HEATER- A/C CONTROL CRUISE CONTROL SWITCH CRUISE CONTROL MODULE HVAC CONTROL MODULE RIGHT AIR TEMPERATURE ACTUATOR HVAC FUSE I/P HARN, RIGHT SIDE OF STEERING COLUMN, 13 CM FROM INSTRUMENT CLUSTER BREAKOUT) IGN 0,CLUSTER, PCM, BCM FUSE IGNITION SWITCH INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL BREAKOUT) INSIDE REARVIEW MIRROR INSTRUMENT PANEL CLUSTER (IPC) BODY CONTROL MODULE (BCM) LEFT AIR TEMPERATURE ACTUATOR LEFT RADIO CONTROL SWITCH LEFT FRONT WINDOW SWITCH SUNROOF MODULE LOCK LOCK OFF LOW BLOWER FUSE CRUISE FUSE NCA WIRE OFF ONSTAR FUSE ORG/ WIRE PARK LOCK FUSE (REGAL) PASSENGER SEAT HEATER SWITCH DRIVER SEAT HEATER SWITCH PNK WIRE POWER DROP CONNECTOR POWER DROP FUSE POWERTRAIN CONTROL MODULE (PCM) PPL PPL PPL PPL/ PPL/ PPL/ PWR WINDOWS PWR SUNROOF CIRCUIT BREAKER RADIO RADIO FUSE RADIO FUSE (W/O RAP) REAR WINDOW DEFOGGER RELAY RED WIRE REGAL RETAINED ACCESSORY POWER (RAP) RELAY RUN WIRE TO CRANK SIGNAL FUSE (DIAGRAM 2 OF 3) TO IGN MAIN RELAY 13 (DIAGRAM 3 OF 3) TO LOW BLOWER FUSE (DIAGRAM 2 OF 3) VACUUM CONTROL ASSEMBLY CRUISE CONTROL RELEASE SWITCH VEHICLE COMMUNI- CATIONS INTERFACE MODULE W/ ELECTRIC O/S MIRRORS W/ FOLD AWAY MIRRORS W/ RAP W/ RAP W/O RAP W/ SUN ROOF W/O RAP WHT WIRE WINDSHIELD WIPER MOTOR WIND- SHIELD WIPER/ WASHER SWITCH WIPER FUSE YEL WIRE

AM/FM ANT IN AUDIO AMPLIFIER (BELOW REAR SPEAKER SHELF, IN TRUNK) BARE BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE E, C DATA FRONT WINDOW ANTENNA GRID GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACC OR RUN I/P FUSE BLOCK (BEHIND RIGHT SIDE OF DASH, IN RIGHT DOOR OPENING) INFLATABLE RESTRAINT STEERING WHEEL CONTROL MODULE LEFT FRONT MIDRANGE SPEAKER LEFT FRONT TWEETER SPEAKER LEFT RADIO CONTROL SWITCHES LEFT REAR SPEAKER LF AUDIO RF AUDIO LF AUDIO RR AUDIO RR AUDIO LR AUDIO LR AUDIO GROUND GROUND LF SPKR LF SPKR RR SPKR RR SPKR LT BLU WIRE LT BLU/BLK WIRE LT GRN (OR BLK/WHT) WIRE LT GRN WIRE LT GRN/BLK WIRE LT LT MID-RANGE MUTE NCA WIRE ORG/ WIRE ORG/BLK WIRE PPL RADIO RADIO ANTENNA MODULE (ON REAR WINDOW HEADER PANEL) RADIO FUSE RADIO PREM FUSE RADIO, HVAC, RFA, CEL TEL, CLUSTER FUSE REAR WINDOW ANTENNA GRID RED WIRE RIGHT FRONT MIDRANGE SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT RADIO CONTROL SWITCHES RIGHT REAR SPEAKER RR RTN RR FEED LR FEED LR RTN SCAN SEEK DN SEEK UP SOURCE STRG CTRL SUB RTN SUB RTN SUB-WOOFER TAN WIRE USED) (NOT VEHICLE INTERFACE UNIT (VIU) (IN REAR COMPT, MOUNTED TO LEFT REAR WHEELHOUSE) VOL DN VOL UP W/ ADAPTIVE RECEPTION SYSTEM W/O ADAPTIVE RECEPTION SYSTEM WHT WIRE YEL WIRE

AM/FM ANT IN ARS BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE E, C DATA FRONT WINDOW ANTENNA GRID GRY WIRE HOT AT ALL TIMES HOT IN ACC OR RUN I/P FUSE BLOCK (BEHIND RIGHT SIDE OF DASH, IN RIGHT DOOR OPENING) INFLATABLE RESTRAINT STEERING WHEEL CONTROL MODULE LEFT FRONT DOOR SPEAKER LEFT FRONT TWEETER LEFT RADIO CONTROL SWITCHES LEFT REAR SPEAKER LF SPKR LF SPKR RR SPKR RR SPKR LR SPKR LR SPKR RF SPKR RF SPKR GROUND BATTERY RAP PWR RADIO PWR ILLUM FUSE OUT LT BLU WIRE LT GRN (OR BLK/WHT) WIRE LT GRN WIRE MUTE NCA WIRE NOT USED ORG/ WIRE RADIO RADIO ANTENNA MODULE (ON REAR WINDOW HEADER PANEL) RADIO FUSE RADIO, HVAC, RFA, CEL TEL, CLUSTER FUSE REAR WINDOW ANTENNA GRID RED WIRE RIGHT FRONT DOOR SPEAKER RIGHT FRONT TWEETER RIGHT RADIO CONTROL SWITCHES RIGHT REAR SPEAKER SCAN SEEK DN SEEK UP SOURCE STRG CTRL TAN WIRE VOL DN VOL UP W/ ADAPTIVE RECEPTION SYSTEM W/O ADAPTIVE RECEPTION SYSTEM WHT WIRE YEL WIRE