Buick Century VI (1997-2005) grn Wiring diagrams

BACK BLK WIRE DK BLU WIRE DK GRN WIRE DRIVER SEAT ADJUSTER MOTOR ASSEMBLY DRIVER SEAT ADJUSTER SWITCH ENTIRE SEAT ENTIRE SEAT DOWN ENTIRE SEAT UP FOR- WARD FOR- WARD BACK FRONT HEIGHT FRONT HEIGHT FRONT PASSENGER SEAT ADJUSTER MOTOR ASSEMBLY FRONT PASSENGER SEAT ADJUSTER SWITCH FRONT VERTICAL ADJUSTER MOTOR GRN WIRE HORIZONTAL ADJUSTER MOTOR HOT AT ALL TIMES POWER SEATS CIRCUIT BREAKER I/P FUSE BLOCK LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE REAR HEIGHT REAR HEIGHT FRONT HEIGHT FRONT HEIGHT REAR VERTICAL ADJUSTER MOTOR TAN WIRE YEL WIRE

1 13 3 9 W/O GPS W/ GPS 16 5 5 4 W/O GPS BLK WIRE BRN WIRE GRN WIRE GRY WIRE HEADLIGHT SENSOR (MIRROR SIDE) HOT AT ALL TIMES HOT IN RUN HVAC FUSE I/P FUSE BLOCK (BEHIND RIGHT SIDE OF DASH, IN RIGHT DOOR OPENING) INSIDE REARVIEW MIRROR (DAY-NIGHT) LOW REF LT GRN WIRE NCA WIRE OFF ON ORG/ WIRE OUTSIDE REARVIEW MIRROR LOW REF SIGNAL PARK/ NEUTRAL POSITON (PNP) SWITCH (ON TOP RIGHT REAR OF TRANSAXLE) PNK WIRE R/CMPT REL FUSE RESETS TO DAYTIME HIGH REFLECTIVITY IN REVERSE MIRROR ON SIGNAL SOLID STATE UNDERHOOD FUSE BLOCK (MOUNTED TO RIGHT STRUT TOWER) W/ GPS W/ SUNROOF W/O SUNROOF W/O HEATED SEATS W/ HEATED SEATS

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

BLK WIRE BLU WIRE BRN WIRE DK BLU WIRE DK DK DK LT DK LT PPL DOWN ECB EXPRESS EXPRESS DOWN MODULE GRN WIRE GRY WIRE HOT IN ACC OR RUN OR DURING RAP I/P FUSE BLOCK (BEHIND RIGHT SIDE OF DASH, IN RIGHT DOOR OPENING) ILLUMINATION LAMP LEFT FRONT LEFT FRONT WINDOW MOTOR LEFT FRONT WINDOW SWITCH LEFT REAR LEFT REAR WINDOW MOTOR LEFT REAR WINDOW SWITCH LOCK OUT SWITCH PPL PWR WINDOWS PWR SUNROOF CIRCUIT BREAKER RIGHT FRONT RIGHT FRONT WINDOW MOTOR RIGHT FRONT WINDOW SWITCH RIGHT REAR RIGHT REAR WINDOW MOTOR RIGHT REAR WINDOW SWITCH TAN WIRE UP DOWN UP UP 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

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

1500 540 PPL IGNITION POWER POWER (BATTERY) 1746 1745 453 FUEL INJ 3 CONTROL FUEL INJ 2 CONTROL REF LOW 83 845 CRUISE DISABLE OUTPUT FUEL INJ 5 CONTROL BLK WIRE BLK/WHT WIRE BRN/WHT WIRE CAMSHAFT POSITION SENSOR (CMP) (FRONT OF ENG, BELOW INTAKE PLENUM) COOLING FAN SYSTEM CRANKSHAFT POSITION CRANKSHAFT POSITION (CKP) CRUISE CONTROL SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ECM FUSE 22 ELEK IGN FUSE 25 ENG EMIS FUSE 30 EVAP CAN PURGE CONTROL F/INJR FUSE 28 FUEL INJ 6 CONTROL A/C PRESS RETURN GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN OFF, RUN BULB TEST, OR START HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK (BEHIND RIGHT SIDE OF DASH, IN RIGHT DOOR OPENING) IGN 0 FUSE IGNITION AMPLIFIER AND SWITCHING MODULE IGNITION CONTROL MODULE (TOP RIGHT SIDE OF ENG) KNOCK SENSOR (KS) BANK 1 (LEFT SIDE LOWER ENG, ABOVE STARTER) LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MAP SENSOR MAP/ECT SENSOR SIGNAL PCM GROUND IAT SENSOR GROUND (PIN 14-15 NOT USED) ORG/ WIRE ORG/BLK WIRE PNK 2 3 4 WIRE PNK 5 6 WIRE PNK PNK PPL 8 9 10 11 12 WIRE PNK WIRE PNK/BLK WIRE PPL PPL 772 492 (PIN 66-67 NOT USED) PPL/WHT WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE SENSOR RETURN SPARK PLUGS SPLICE PACK TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (MOUNTED TO RIGHT STRUT TOWER) WHT WIRE YEL WIRE YEL/BLK WIRE

AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION FLUID PRESSURE MANUAL VALVE POSITION SWITCH BLK WIRE BLK/WHT WIRE BLU WIRE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/ WHT WIRE DK GRN/WHT WIRE FUEL INJECTORS GRN WIRE GRY WIRE GRY/WHT WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE LT PPL ORG/BLK WIRE PNK 2 3 4 WIRE PNK 5 6 WIRE PNK PNK PPL 8 9 10 11 12 WIRE PNK WIRE PNK/BLK WIRE PPL PRESSURE CONTROL SOLENOID VALVE RED WIRE RED/BLK WIRE RED/WHT WIRE STOPLIGHT SWITCH (ON BRAKE PEDAL SUPPORT BRACKET) TAN/WHT WIRE TRANSMISSION INTERNAL MODE SWITCH VEHICLE SPEED SENSOR (LOWER RIGHT SIDE OF ENG COMPT, ON TRANSAXLE) WHT WIRE YEL WIRE YEL/BLK WIRE