Chevrolet Impala VIII (1999-2006) Wiring diagram engine performance 3.4l vin e

1500 1740 PPL IGNITION BATTERY 1746 1745 453 FUEL INJ 3 FUEL INJ 2 REF LOW 463 83 845 EBCM FEED CRUISE DISABLE FUEL INJ 5 A/T FLUID TEMP BLK WIRE BLK/WHT WIRE BRN/WHT WIRE COOLING FANS SYSTEM CRANKSHAFT POSITION SENSOR B (LOWER RIGHT SIDE OF ENGINE) DFI FUSE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE EVAP PURGE (PIN 77-78 NOT USED) 79 80 846 2751 FUEL INJ 6 A/C PRESS SENS FUEL INJ FUSE FUEL INJECTORS GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN ON OR START IGNITION CONTROL MODULE (TOP CENTER REAR OF ENGINE) LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) ABS/ PCM FUSE LOW REF TCC BRAKE SW EGR SENS EGR CONTROL KNOCK SENS PPL LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MAP SENS (PIN 14-15 NOT USED) 16 17 18 19 20 21 22 451 2760 PCM GROUND IAT SENS ORG/ WIRE ORG/BLK WIRE PCM/BCM CLUSTER FUSE 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 73 772 492 TR SWITCH B MAF SENS PPL/WHT WIRE RED/BLK WIRE 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) PCM FUSE WHT WIRE YEL WIRE YEL/BLK WIRE

1-2 SHIFT SOLENOID VALVE 2-3 SHIFT SOLENOID VALVE A/C REFRIGERENT PRESSURE SENSOR (BELOW ACCUMULATOR) AUTOMATIC TRANSAXLE AUTOMATIC TRANSAXLE FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSAXLE TEMPERATURE SENSOR BLK WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRN WIRE BRN/WHT 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 (NEAR COOLANT OUTLET, LEFT REAR OF ENG) GRY WIRE GRY/BLK WIRE KNOCK SENSOR (BANK 1) (LOWER LEFT REAR OF ENGINE, BELOW EXHAUST MANIFOLD) LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/WHT WIRE MANIFOLD ABSOLUTE PRESSURE SENSOR (ON INTAKE PLENUM) ORG/BLK WIRE PNK 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) TRANSAXLE INPUT SHAFT SPEED SENSOR 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 BRN/WHT WIRE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENG DEVICES FUSE ENGINE OIL LEVEL SWITCH (ON OIL PAN) ENGINE OIL PRESSURE INDICATOR SWITCH (ABOVE STARTER) EVAP CANISTER PURGE SOLENOID (TOP REAR OF ENGINE) F/PMP RLY FUSE FUEL PUMP AND SENDER ASSEMBLY FUEL PUMP/ LEVEL SENSOR FUEL TANK PRESSURE SENSOR GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN ON OR START LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/WHT WIRE MASS AIRFLOW SENSOR (IN AIR INTAKE PLENUM) NCA WIRE ORG/ WIRE ORG/BLK WIRE OXY SEN FUSE PNK WIRE PPL PPL/WHT WIRE RED/BLK WIRE RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD 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

A/C CLUTCH RLY (PIN 40-41 NOT USED) 42 43 44 45 46 FUEL INJ 4 A/C SYSTEM ABS/ PCM FUSE AUTOMATIC TRANSAXLE BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CAMSHAFT POSITION SENSOR (LEFT FRONT OF ENGINE, BELOW INTAKE PLENUM) CMP SENS CMP SENS CKP SENS CRANK RLY CRANKSHAFT POSITION SENSOR A (AT END OF CRANKSHAFT) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE EBCM FEED PPL EVAP CAN VENT FUEL PUMP RELAY EGR VAL CNTRL MIL CONTROL EXHAUST GAS RECIRCULATION (EGR) VALVE (TOP REAR REAR OF ENGINE) FTP SENS GENERATOR GENERATOR L TERM GRN WIRE 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) INSTRUMENT PANEL CLUSTER INTAKE AIR TEMPERATURE (IAT) SENSOR (IN AIR INTAKE DUCT) LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LOW REF LT BLU WIRE 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 RED/WHT WIRE STARTING SYSTEM TAN WIRE TAN/BLK WIRE TCC PWM SOL TFT SENS FUEL LEVEL SENS CKP SENS PPL TR SWITCH D OIL PRESS SW TRANS- MISSION INTERNAL MODE SWITCH W/ ABS WHT WIRE YEL WIRE YEL/BLK WIRE