Buick Century VI (1997-2005) pcm bcm ign relay fuse 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

BCM GND BCM PWR FUSE BLK WIRE BODY CONTROL MODULE (BEHIND LEFT SIDE OF DASH, LEFT OF STEERING COLUMN) CLUSTER FUSE CRANK RELAY II CRANK SIGNAL BCM, CLUSTER FUSE CRANK VOLTAGE PPL DATA LINK CONNECTOR (DLC) (UNDER LEFT SIDE OF DASH, RIGHT OF STEERING COLUMN) DK GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN HOT IN OFF, RUN OR START HOT IN RUN OR START HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK IGN IGN 0: CLUSTER PCM, BCM FUSE IGN KEY RESISTOR PELLET IGN KEY SIG IGN REF LO IGNITION SWITCH INSTRUMENT PANEL CLUSTER KEY IN KEY OUT KEY-IN SIG LT GRN WIRE ORG/ WIRE PASS-KEY ENABLE SWITCH PCM BCM IGN RELAY FUSE PNK WIRE PPL PPL IGN (0) PPL/WHT WIRE SECURITY INDICATOR SERIAL DATA STARTER RLY CTRL STARTER SOLENOID TAN WIRE UNDERHOOD FUSE BLOCK (MOUNTED TO RIGHT STRUT TOWER) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

BATTERY BLK WIRE BULB TEST BULB TEST LOCK CHARGING CIRCUIT (FUSIBLE LINK) CRANK CRANK FUSE CRANK RELAY CRANK SIGNAL BCM, CLUSTER FUSE HOLD- IN COIL I/P FUSE BLOCK (BEHIND RIGHT SIDE OF DASH, IN RIGHT DOOR OPENING) IGN 1 FUSE IGNITION SWITCH LOCK OFF NCA WIRE OFF PCM BCM IGN RELAY FUSE PNK WIRE PPL PULL- IN COIL RED WIRE RUN WIRE STARTER UNDERHOOD FUSE BLOCK (MOUNTED TO RIGHT FRONT STRUT TOWER) YEL WIRE YEL/BLK WIRE