Chevrolet Impala VIII (1999-2006) Wiring diagram engine performance 3.8l vin k

A/T FLUID TEMP BLK WIRE BLK/WHT WIRE BRN/WHT WIRE CAMSHAFT POSITION (CMP) SENSOR (RIGHT SIDE OF ENGINE) COOLING FANS SYSTEM CRANKSHAFT POSITION (CKP) SENSOR (AT END OF CRANKSHAFT) DFI MDL FUSE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE EBCM FEED CRUISE DISABLE FUEL INJ 2 ECT SENS MAP SENS EVAP PURGE (PIN 77-78 NOT USED) 79 80 FUEL INJ 1 A/C PRESS SENS FUEL INJ 4 FUEL INJ 5 REF LOW FUEL INJ FUSE FUEL INJECTORS GRY WIRE HOT AT ALL TIMES HOT IN ON OR START IAC B HIGH (PIN 39-42 NOT USED) 43 44 45 46 47 48 FUEL INJ 6 2-3 SHIFT SOL IGNITION CONTROL MODULE (ICM) (TOP LEFT FRONT OF ENG) LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) ABS/ PCM FUSE LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NOT USED ORG/ WIRE ORG/BLK WIRE PCM FUSE PCM/BCM CLUSTER FUSE PNK 1 2 3 WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (PCM) (IN AIR CLEANER BOX) PPL PPL (PIN 66-67 NOT USED) 68 69 70 71 72 73 TR SWITCH B MAF SENS PPL IGNITION BATTERY PPL TCC BRAKE SW EGR SENS EGR CONTROL BANK 1 KS SIG BANK 2 KS SIG PPL/WHT WIRE RED/BLK WIRE SERIAL DATA PCM GROUND TP SENS ISS SENS LOW ISS SENS HIGH VSS HIGH VSS LOW SPARK PLUGS TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANS SOL FUSE UNDERHOOD JUNCTION BLOCK (BOTTOM) (RIGHT SIDE OF ENGINE COMPT) UNDERHOOD JUNCTION BLOCK (TOP) (RIGHT SIDE OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1-2 SHIFT SOLENOID VALVE 2-3 SHIFT SOLENOID VALVE A/C REFRIGERANT PRESSURE SENSOR (BELOW ACCUMULATOR) AUTOMATIC TRANSAXLE AUTOMATIC TRANSAXLE FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSAXLE INPUT SHAFT SPEED SENSOR AUTOMATIC TRANSAXLE TEMPERATURE SENSOR BLK WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRN WIRE CRUISE CONTROL MODULE (LEFT STRUT TOWER) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ELECTRONIC BRAKE CONTROL MODULE (LEFT REAR OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE (ECT) SENSOR (BELOW COOLANT OUTLET, LEFT REAR OF ENG) GRY (OR GRY/BLK) WIRE GRY WIRE KNOCK SENSOR BANK 1 (LOWER LEFT SIDE OF ENGINE, NEAR STARTER) KNOCK SENSOR BANK 2 (LOWER RIGHT SIDE OF ENGINE) LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/WHT WIRE MANIFOLD ABSOLUTE PRESSURE SENSOR (ON INTAKE PLENUM) ORG/BLK WIRE PNK 1 2 3 WIRE PNK WIRE PNK/BLK WIRE PPL PRESSURE CONTROL SOLENOID VALVE RED WIRE RED/BLK WIRE SPLICE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC TCC PULSE WIDTH MODULATION SOLENOID THROTTLE POSITION (TP) SENSOR (ON THROTTLE ASSEMBLY) VEHICLE SPEED SENSOR (RIGHT REAR OF ENGINE COMPT, END OF TRANSAXLE) WHT WIRE YEL WIRE YEL/BLK WIRE

2 3 4 PPL BLK WIRE BLK/WHT WIRE BRN WIRE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENG DEVICES FUSE EVAP CANISTER PURGE SOLENOID (TOP FRONT OF ENGINE) F/PMP RLY FUSE FUEL PUMP AND SENDER ASSEMBLY FUEL TANK PRESSURE SENSOR FUEL PUMP/ LEVEL SENSOR GRY (OR GRY/BLK) WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN ON OR START LT BLU/WHT WIRE LT GRN WIRE LT GRN/WHT WIRE MASS AIRFLOW SENSOR (TOP OF THROTTLE BODY) NCA WIRE ORG/ WIRE ORG/BLK WIRE OXY SEN FUSE PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE RED/BLK WIRE RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) SUPERCHARGER BOOST CONTROL SOLENOID (VIN 1) (RIGHT SIDE OF ENGINE) TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDER- HOOD JUNCTION BLOCK (BOTTOM) (RIGHT SIDE OF ENGINE COMPT) UNDERHOOD JUNCTION BLOCK (TOP) (RIGHT SIDE OF ENGINE COMPT) FUEL PUMP RELAY WHT WIRE YEL WIRE YEL/BLK WIRE

625 1724 418 STARTING SYSTEM A/C CLUTCH RLY (PIN 40-41 NOT USED) 42 43 44 45 46 FUEL INJ 3 A/C SYSTEM ABS/ PCM FUSE AUTOMATIC TRANSAXLE BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CRANK RLY BOOST SOL TCC PWM SOL DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE EBCM FEED PPL ENGINE OIL LEVEL SWITCH (ON OIL PAN) ENGINE OIL PRESSURE INDICATOR SWITCH (ABOVE STARTER) EVAP CAN VENT FUEL PUMP RELAY EGR VAL CNTRL MIL CONTROL EVAP CANISTER VENT SOLENOID (LEFT REAR WHEELWELL) EXHAUST GAS RECIRCULATION (EGR) VALVE (TOP RIGHT REAR OF ENGINE) FTP SENS (PIN 36-38 NOT USED) GENERATOR GENERATOR L TERM GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT IN HOT IN ON OR START IAC A HIGH IAC VALVE A LOW PC SOL HIGH PC SOL LOW IDLE AIR CONTROL (IAC) VALVE (ON THROTTLE BODY ASSEMBLY) INSTRUMENT CLUSTER INTAKE AIR TEMPERATURE (IAT) SENSOR (IN AIR INTAKE DUCT) LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MALFUNCTION INDICATOR LAMP OIL LEVEL SW CRUISE STATUS PCM (CRANK) FUSE PCM/BCM CLUSTER FUSE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (PCM) (IN AIR CLEANER BOX) PPL PPL/WHT WIRE RED WIRE RED/BLK WIRE TAN WIRE TAN/BLK WIRE TCC RELEASE SW (PIN 64-65 NOT USED) 66 67 68 69 TP SENS TFT SENS FUEL LEVEL SENS PPL (PIN 70-74 NOT USED) 75 76 77 78 79 80 TR SWITCH D OIL PRESS SW TRANS- MISSION INTERNAL MODE SWITCH W/ ABS WHT WIRE YEL WIRE YEL/BLK WIRE