Buick LeSabre VIII (2000-2005) under- hood fuse block pcm batt fuse Wiring diagrams

1-2 SHIFT SOL 2-3 SHIFT SOL AUTOMATIC TRANSAXLE AUTOMATIC TRANSAXLE FLUID TEMPERATURE SENSOR AUTOMATIC TRANSAXLE INPUT SHAFT SPEED SENSOR AUTOMATIC TRANSAXLE INTERNAL MODE SWITCH BLK WIRE BLK/WHT WIRE BONNEVILLE LE SABRE BRN WIRE BRN/WHT WIRE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE FUSE 12 GRN WIRE GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT IN RUN OR START IGN 1 FUSE IGNITION SWITCH (PIGTAILED FOR LE SABRE) INSTRUMENT CLUSTER INSTRUMENT CLUSTER, TURN SIGNAL SWITCH LE SABRE LOCK LOCK OFF LOGIC IGN 1 IGN LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE MALFUNC- TION IND LAMP MALFUNCTION INDICATOR LAMP OFF ORG/ WIRE PCM IGN FUSE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) (NEAR AIR CLEANER HOUSING) PPL PPL CRUISE CONTROL SYSTEM PPL PPL PPL COMPUTER DATA LINES SYSTEM PRESSURE CONTROL SOL TCC PWM SOL REAR FUSE BLOCK RED WIRE RED/BLK WIRE RUN WIRE STOP LAMP SWITCH (NEAR BRAKE PEDAL) TCC/ CRUISE SWITCH THROTTLE POSITION (TP) SENSOR (ON THROTTLE BODY ASSEMBLY) TRANS FUSE UNDER- HOOD FUSE BLOCK PCM BATT FUSE WHT WIRE YEL WIRE YEL/BLK WIRE

1744 808 FUEL INJ 1 CONTROL SENSOR RETURN (EOP) 400 401 PPL ANTI-LOCK BRAKE SYSTEM 43 44 FUEL INJ 6 CONTROL SHIFT SOL B CONTROL 46 47 48 FUEL INJ 4 CONTROL FUEL INJ 5 CONTROL REFERENCE LOW 772 492 TRANS RANGE SW B MAF SENSOR INPUT BLK WIRE BLK/WHT WIRE BLU WIRE BONNEVILLE LE SABRE BRN/WHT WIRE BYPASS CKP SYNC SIG CMP OUTPUT CMP SIGNAL COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM CRUISE CONTROL SYSTEM DESIRED TORQUE INPUT CRUISE DISABLE/INHIBIT FUEL INJ 2 CONTROL DIS FUSE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/ WHT WIRE DK GRN/WHT WIRE ECT SENSOR GROUND MAP SENSOR GROUND GROUND GRY WIRE HOT AT ALL TIMES HOT IN RUN, START IAC COIL B HIGH 39 40 41 42 IGN CONTROL IGN VOLTAGE IGNITION IGNITION BATTERY IGNITION CONTROL MODULE (ICM) (ON TOP LEFT FRONT OF ENG) IGNITION SWITCH (PIGTAILED FOR LE SABRE) INSTRUMENT CLUSTER SYSTEM (VEHICLE SPEED) KNOCK SENSOR (KS) BANK 2 (ON LOWER REAR OF ENG BLOCK, NEAR OIL FILTER) LOCK OFF LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MAP SENSOR +5 V MASS AIRFLOW (MAF) SENSOR (TOP OF THROTTLE BODY) NOT USED ORG/ WIRE ORG/BLK WIRE PCM GROUND IAT SENSOR GROUND PNK (OR PNK) WIRE PNK (OR PNK/BLK) WIRE PNK PNK 9 10 WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) (IN AIR CLEANER HOUSING) PPL PPL PPL PPL TCC SWITCH INPUT EGR POS SENS GROUND EGR CONTROL GROUND PPL/WHT WIRE PURGE SOLENOID (TOP OF ENGINE) RED/BLK WIRE REF LOW RUN WIRE SHIFT SOL A CONTROL HI SPEED COOL FAN LO SPEED COOL FAN CMP INPUT TAN WIRE TAN/BLK WIRE TRANS FUSE UNDER- HOOD FUSE BLOCK PCM BATT FUSE VEHICLE SPEED SENSOR (RIGHT FRONT OF TRANSAXLE) EVAPORATIVE EMISSIONS CANISTER WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE