Buick Century VI (1997-2005) instrument panel cluster (ipc) 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

AMBIENT LIGHT SENSOR (TOP RIGHT SIDE OF DASH, AT BASE OF WINDSHIELD) B+ B- BLK WIRE BLU WIRE BODY CONTROL MODULE (BCM) (BEHIND LEFT SIDE OF DASH, LEFT OF STEERING COLUMN) BRN WIRE BRN/WHT WIRE CENTER HIGH MOUNTED STOPLAMP (CHMSL) CORN- ERING LAMP CORNERING LAMP DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DRL AMBIENT LIGHT GROUND REF DRL AMBIENT LIGHT SIGNAL FRT PARK LPS FUSE GRN WIRE GRY/BLK WIRE HAZARD HAZARD FUSE HEADLAMP RELAY (BEHIND GLOVE BOX, MOUNTED TO UNDERSIDE OF CROSS-CAR BEAM) HEADLAMP SWITCH HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK I/P FUSE BLOCK (BEHIND RIGHT SIDE OF DASH) INSTRUMENT PANEL CLUSTER (IPC) LEFT LEFT HEAD- LAMP ASSEMBLY LEFT REAR MARKER LAMP LEFT REAR PARK LAMPS LEFT TAIL/ TURN SIGNAL/ STOP- LAMP LEFT TURN INDICATOR LEFT TURN SIGNAL LP PARK FUSE LT BLU WIRE LT BLU/WHT WIRE LT GRN/BLK WIRE LT LT LT PNK WIRE NCA WIRE NORMAL OFF ORG/ WIRE PARK PARK LAMP RELAY (BEHIND RIGHT SIDE OF DASH) PARK/ TURN SIGNAL LAMP PARK/ TURN SIGNAL LAMP SIDE MARKER LAMP PNK WIRE POWER DISTRIBUTION PPL RIGHT RIGHT HEAD LAMP ASSEMBLY RIGHT REAR MARKER LAMP RIGHT REAR PARK LAMPS REAR LICENSE LAMPS RIGHT TAIL/ TURN SIGNAL/ STOP- LAMP RIGHT TURN INDICATOR RIGHT TURN SIGNAL SIDE MARKER LAMP STOP LAMPS FUSE STOPLIGHT SWITCH (ON BRAKE PEDAL SUPPORT BRACKET) TAIL LAMPS, LIC LAMPS FUSE TURN SIGNAL TURN SIGNAL/ HAZARD FLASHER MODULE (BELOW LEFT SIDE OF DASH) TURN SIGNAL/MULTIFUNCTION SWITCH) TURN SIGNALS, CORN LPS FUSE UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (MOUNTED TO RIGHT STRUT TOWER) WHT WIRE YEL WIRE YEL/BLK 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/C CLUTCH FUSE 23 A/C CLUTCH RELAY 15 ABS FUSE 1 ACCESSORY POWER OUTLET AUDIO AMPLIFIER BACK-UP LAMP RELAY (REGAL) BATT 1 FUSE 7 BATT 3 FUSE 3 BATT 2 FUSE 4 BATTERY BCM PWR FUSE BLK WIRE BLOWER MOTOR CONTROL PROCESSOR BLOWER MOTOR RESISTOR ASSEMBLY BODY CONTROL MODULE (BCM) BODY CONTROL MODULE (BCM) OUTSIDE REARVIEW MIRROR SWITCH BREAKOUT) CIGAR LIGHTER CIGAR LTR FUSE COOL FAN 1 FUSE 6 COOL FAN 1 RELAY 12 COOL FAN 2 FUSE 24 COOL FAN 2 RELAY 9 COOL FAN 3 RELAY CRANK FUSE 2 CRANK RELAY 11 DATA LINK CONNECTOR (DLC) DRIVER HEATED SEAT CONTROL MODULE DRIVER SEAT ADJUSTER SWITCH ECM FUSE 22 ELECTRONIC BRAKE CONTROL MODULE (EBCM) F/PMP FUSE 35 F/PMP RELAY 19 F/PMP SPD CONT RELAY 18 FOG LAMP RELAY 17 FOG LP FUSE 31 FROM BATT 2 FUSE 4 (DIAGRAM 1 OF 3) FROM HORN FUSE 27 (DIAGRAM 1 OF 3) FUSE BLOCK- I/P FUSE BLOCK- UNDERHOOD FUSIBLE LINK (10 GA-RUST) GEN FUSE 21 GENERATOR HAZARD FUSE HDLP L FUSE 36 HDLP R FUSE 32 HEADLAMP RELAY HEADLAMP SWITCH PARK LAMP RELAY HIGH BLOWER FUSE HORN FUSE 27 HORN RELAY 16 HVAC CONTROL MODULE RADIO INADV POWER BUS FUSE INSTRUMENT PANEL CLUSTER (IPC) L HEATED SEAT FUSE LEFT HEADLAMP LP PARK FUSE 34 NCA WIRE ORG/ WIRE PARK/ NEUTRAL POSITION SWITCH (CENTURY) PASSENGER FRONT HEATED SEAT CONTROL MODULE PASSENGER FRONT SEAT ADJUSTER SWITCH POWER DROP CONNECTOR POWER MIRRORS FUSE DOOR LOCKS FUSE POWERTRAIN CONTROL MODULE (PCM) R/CMPT REL FUSE 33 RADIO PREM SOUND FUSE RDO,HVAC RFA,CLUSTER DATA LINK FUSE REAR COMPARTMENT LID RELEASE RELAY REAR DEFOG CIRCUIT BREAKER POWER SEAT CIRCUIT BREAKER REAR WINDOW DEFOGGER RELAY RED WIRE REGAL REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) RIGHT HEADLAMP STARTER STOP LAMPS FUSE STOPLAMP SWITCH TO HDLP L FUSE 36 (DIAGRAM 1 OF 3) TO HIGH BLOWER FUSE (DIAGRAM 1 OF 3) TO IGN 2 FUSE 8 (DIAGRAM 2 OF 3) TO ONSTAR FUSE, DIAGRAM (2 OF 3) R HEATED SEAT FUSE TO RETAINED ACCESSORY POWER (RAP) RELAY (DIAGRAM 2 OF 3) TURN SIGNAL/ HAZARD FLASHER MODULE

3.8L 3.1L A/C CLUTCH RELAY 15 A/T SHIFT CONTROL SWITCH (REGAL) ABS FUSE AIR BAG FUSE AUTOMATIC TRANSAXLE (LEFT OF STARTER, ON TRANS- AXLE STUD) BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) BRAKE- TO-SHIFT RELAY BTSI PARK LOCK FUSE CLUSTER FUSE CRANK RELAY 11 ELECTRONIC BRAKE CONTROL MODULE (EBCM) ELEK IGN FUSE 25 OXY SEN FUSE 29 ENG EMIS FUSE 30 EVAPORATIVE EMISSIONS (EVAP) CANISTER PURGE SOLENOID VALVE EVAPORATIVE EMISSIONS (EVAP) CANISTER VENT SOLENOID VALVE F/INJ FUSE 28 FROM IGN 1 FUSE 5 FROM IGNITION SWITCH (DIAGRAM 2 OF 3) FUEL INJECTOR 1 FUEL INJECTOR 2 FUEL INJECTOR 3 FUEL INJECTOR 5 FUEL INJECTOR 4 FUEL INJECTOR 6 FUSE BLOCK- I/P FUSE BLOCK- UNDERHOOD HEATED OXYGEN SENSOR 1 HEATED OXYGEN SENSOR 1 IGNITION CONTROL MODULE (ICM) IGN MAIN RELAY 13 INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INSTRUMENT PANEL CLUSTER (IPC) NCA WIRE PCM,BCM U/H RELAY FUSE PNK MASS AIRFLOW (MAF) SENSOR WIRE PNK PNK WIRE PNK STOPLAMP SWITCH WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) REGAL VIN K SECONDARY AIR INJECTION BYPASS VALVE SOLENOID STOPLAMP SWITCH (CENTURY) SUPERCHARGER BYPASS VALVE (3.8L) TRANS FUSE 26 TURN SIGNAL/ HAZARD FLASHER MODULE TURN SIGNALS, CORN LPS FUSE YEL WIRE

AJAR UN- LATCHED BCM ACC FUSE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND LEFT SIDE OF DASH, LEFT OF STEERING COLUMN) CHIME CLASS 2 SERIAL DATA COMPUTER DATA LINES SYSTEM CRANK SIGNAL, BCM CLSTR FUSE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DRIVER DOOR LOCK DRIVER SEAT BELT SWITCH (PART OF DRIVER'S SEAT BELT ASSEMBLY) GROUND GRY WIRE HEAD OFF PARK HEADLAMP SWITCH HOT AT ALL TIMES HOT IN HOT IN ACC, RUN HOT IN RUN, START HOT IN UNLOCK RUN, START I/P FUSE BLOCK (BEHIND RIGHT SIDE OF DASH, IN RIGHT DOOR OPENING) IGN O, CLUSTER, PCM, BCM FUSE IGNITION SWITCH KEY-IN IGNITION SWITCH INSTRUMENT PANEL CLUSTER (IPC) LATCHED LEFT TURN LEFT TURN SIGNAL RIGHT TURN SIGNAL IGNITION 1 VOLTAGE LP PARK FUSE 34 LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE NCA WIRE ORG/ WIRE PARK BRAKE SWITCH (ON PARKING BRAKE ASSEMBLY) PCM, BCM U/H RELAY FUSE PNK WIRE POWER DISTRIBUTION SYSTEM PPL RIGHT TURN TAN WIRE TIRE RESET SWITCH (IN I/P FUSE BLOCK) UNDERHOOD FUSE BLOCK (MOUNTED TO RIGHT FRONT STRUT TOWER) WHT WIRE YEL WIRE