Buick Century VI (1997-2005) wht Wiring diagrams

AUTOMATIC TRANSAXLE AUTOMATIC TRANSAXLE FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSAXLE FLUID TEMPERATURE SENSOR AUTOMATIC TRANSAXLE INPUT SHAFT SPEED SENSOR AUTOMATIC TRANSMISSION BCM INSTRUMENT CLUSTER BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE, INSTRUMENT CLUSTER BRN WIRE BRN/WHT WIRE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ECM FUSE 22 ENG EMIS FUSE 30 ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE SENSOR (TOP LEFT SIDE OF ENGINE) GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT IN OFF, RUN OR START HOT IN RUN OR START HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK (BEHIND RIGHT SIDE OF DASH) CLUSTER FUSE IGN 0 FUSE INSTRUMENT PANEL CLUSTER (IPC) LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE MAP SENSOR ORG/ WIRE ORG/BLK WIRE PCM BCM IGN RELAY FUSE PNK WIRE POWERTRAIN CONTROL MODULE (LEFT SIDE OF ENGINE COMPT, IN AIR CLEANER ASSEMBLY) PPL PPL DATA LINK CONNECTOR (BELOW DASH, RIGHT SIDE OF STEERING COLUMN) PRESSURE CONTROL SOL RED WIRE RED/BLK WIRE SERVICE ENGINE SOON SPLICE STOP LAMP SWITCH (ON BRAKE PEDAL SUPPORT BRACKET) TCC/ BRAKE SWITCH TAN WIRE TCC PWM SOL 2-3 SHIFT SOL 1-2 SHIFT SOL TCC RELEASE THROTTLE POSITION SENSOR (ON THROTTLE BODY) TRANS FUSE 26 TRANSMISSION INTERNAL MODE SWITCH UNDERHOOD FUSE BLOCK (MOUNTED TO RIGHT FRONT STRUT TOWER) WHT WIRE YEL WIRE YEL/BLK WIRE

2002 REGAL /CENTURY, 2003 REGAL ONLY ASHTRAY LAMP (CENTURY) BLK WIRE BLU WIRE BRN WIRE DOME DRIVER DOOR LOCK SWITCH DRIVER MASTER WINDOW SWITCH DRIVER SEAT HEATER SWITCH ELECTRONIC TRACTION CONTROL SWITCH (REGAL) FOG LAMP SWITCH FRONT PASSENGER WINDOW SWITCH FRONT PASSENGER DOOR LOCK SWITCH GRD GRY WIRE HEAD OFF PARK HEADLAMP SWITCH HOT AT ALL TIMES HVAC CONTROL MODULE I/P FUSE BLOCK I/P FUSE BLOCK STRG WHL CONT FUSE ILLUM INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL INSTRUMENT CLUSTER VF DIM DIS SIG LP PARK FUSE LT BLU WIRE OFF ORG/ WIRE OUTSIDE REAR VIEW MIRROR SWITCH PANEL DIMMING FUSE PASSENGER SEAT HEATER SWITCH PRNDL LAMP (REGAL) RADIO CONTROL SWITCHES RADIO VF DIM DIS SIG RED WIRE TAIL, LIC LAMPS FUSE UNDERHOOD FUSE BLOCK VF DIM SIG W/ HEATED SEATS W/O HEATED SEATS WHT WIRE YEL WIRE

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

BLK WIRE DAY/NIGHT MIRROR SYSTEM DRIVER OUTSIDE REARVIEW MIRROR ECB ECB ECB GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES I/P FUSE BLOCK (BEHIND RIGHT SIDE OF DASH, IN RIGHT DOOR OPENING) LEFT MIRROR RIGHT MIRROR LOW REF SIGNAL LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE OUTSIDE REARVIEW MIRROR SWITCH PASSENGER OUTSIDE REARVIEW MIRROR PNK WIRE POWER MIRRORS FUSE PPL PPL/WHT WIRE RED/WHT WIRE RIGHT/ LEFT MOTOR RIGHT/ LEFT MOTOR UP/ DOWN MOTOR UP DN UP DN UP UP/ DOWN MOTOR WHT RED/ WIRE WHT WIRE

BATTERY BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE CLOSE CLOSE OPEN DK BLU WIRE DK BLU/RED WIRE HOT IN ACCY, RUN,, RETAINED ACCESSORY POWER I/P FUSE BLOCK (BEHIND RIGHT SIDE OF DASH, IN RIGHT DOOR OPENING) OPEN GND ORG/ WIRE POS 2 POS 1 POS 3 GND GND POWER WINDOWS SYSTEM PPL PWR WINDOWS PWR SUN ROOF CIRCUIT BREAKER RED WIRE SUN ROOF MODULE (CENTER REAR OF SUN ROOF) SUN ROOF MOTOR (CENTER REAR OF SUN ROOF MODULE) SUN ROOF SWITCH SUNROOF LIMIT SWITCH ASSEMBLY (IN SUNROOF MOTOR TRANSMISSION WHT WIRE 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

A/T SHIFT LOCK CONTROL SOLENOID AUTOMATIC TRANSMISSION BLK WIRE BRAKE TO SHIFT RELAY (LEFT OF I/P FUSE BLOCK) BTSI PARK LOCK FUSE COMPUTER DATA LINES SYSTEM DATA LINE DK GRN WIRE GRN WIRE GRY WIRE HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK (RIGHT SIDE OF DASH, IN RIGHT DOOR OPENING) ORG/ WIRE PNK WIRE RED WIRE SIG A SIG B SIG P SIG C STOPLAMP SWITCH (OPEN WHEN BRAKE PEDAL DEPRESSED) (ON BRAKE PEDAL SUPPORT) TAN WIRE TRANSMISSION INTERNAL MODE SWITCH WHT WIRE YEL WIRE

AIR BAG FUSE AIR BAG WARNING INDICATOR BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND LEFT SIDE OF DASH, LEFT OF STEERING COLUMN) BRN WIRE CASE GROUND CLASS 2 (BCM) SERIAL DATA DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GROUND GRY WIRE HIGH CONTROL HIGH CONTROL LOW CONTROL HOT IN RUN, BULB TEST, START I/P FUSE BLOCK (BEHIND RIGHT SIDE OF DASH, IN RIGHT DOOR OPENING) IGNITION IGNITION VOLTAGE INFLATABLE RESTRAINT I/P MODULE INFLATABLE RESTRAINT STEERING WHEEL MODULE INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL INSTRUMENT CLUSTER IPC CLASS 2 SERIAL DATA LEFT FRONT INFLATABLE RESTRAINT SIDE IMPACT MODULE LEFT FRONT INFLATABLE RESTRAINT SIDE IMPACT SENSOR (AT BASE OF LEFT "B" PILLAR) LOGIC LT GRN WIRE NCA WIRE PPL SEAT BELT SWITCH SEAT BELT SWITCH (PART OF DRIVER'S SEAT BELT ASSEMBLY) SERIAL DATA CLASS 2 SERIAL DATA CLASS 2 HIGH CONTROL LOW CONTROL LOW CONTROL SHORTING BAR SIGNAL VOLTAGE SOLID STATE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BRN WIRE CLASS 2 SER DATA TK RELEASE SW SIG COMPUTER DATA LINES SYSTEM DOOR LOCKS FUSE GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (BEHIND RIGHT SIDE OF DASH, IN RIGHT DOOR OPENING) INSTRUMENT PANEL CLUSTER KEYLESS SER DATA RELEASE RLY CTRL TK AJAR SW SIG LT GRN WIRE ORG/ WIRE ORG/BLK WIRE REAR COMPARTMENT LID LOCK RELEASE ACTUATOR (NEAR REAR COMPARTMENT LID LATCH) REAR COMPARTMENT LID RELEASE SWITCH REMOTE CONTROL DOOR LOCK RECEIVER (BEHIND NSTRUMENT CLUSTER) TRUNK OPEN IND WHT WIRE