Chevrolet Impala VIII (1999-2006) yel Wiring diagrams

AUTOMATIC TRANSAXLE B/U LAMP FUSE BACK-UP LAMPS RELAY BACK-UP LP RLY CTRL BLK WIRE BLK/WHT WIRE DIC/RKE FUSE DK BLU WIRE DK GRN WIRE HOT AT ALL TIMES IMS SIG A IMS SIG B LEFT BACK-UP LAMP LT GRN WIRE MIRRORS SYSTEM POWERTRAIN CONTROL MODULE (PCM) (IN AIR CLEANER BOX) RED WIRE RIGHT BACK-UP LAMP RIGHT I/P JUNCTION BLOCK (RIGHT SIDE OF DASH, BEHIND ACCESS PANEL) SERIAL DATA TRANSAXLE INTERNAL MODE SWITCH WHT WIRE YEL WIRE

AUTOMATIC TRANSAXLE B/U LAMP FUSE B/U LMP PWR BACK-UP LAMPS RELAY BACK-UP LP RLY CTRL BLK WIRE BLK/WHT WIRE DIC/RKE FUSE DK BLU WIRE DK GRN WIRE EMERGENCY VEHICLE REAR LAMPS FLASHER (UPPER RIGHT FRONT OF REAR COMPT) HOT AT ALL TIMES IMS SIG A IMS SIG B LEFT BACK-UP LAMP LT GRN WIRE NCA WIRE POWERTRAIN CONTROL MODULE (PCM) (IN AIR CLEANER BOX) RED WIRE RIGHT BACK-UP LAMP RIGHT I/P JUNCTION BLOCK (RIGHT SIDE OF DASH, BEHIND ACCESS PANEL) SERIAL DATA TRANSAXLE INTERNAL MODE SWITCH WHT WIRE YEL WIRE

BEHIND ACCESS PANEL) BLK WIRE BLU WIRE BODY CONTROL MODULE (BEHIND LEFT SIDE OF DASH, ABOVE PARKING BRAKE LEVER) BRAKE SW FUSE BRN WIRE BRN/WHT WIRE CENTER HIGH MOUNTED STOP LAMP (CHMSL) CRUISE CONTROL SYSTEM ANTI-LOCK BRAKES SYSTEM DK BLU WIRE DK GRN WIRE DK LT FRONT PARK LP FUSE GRY WIRE HAZ SW FUSE HAZARD HAZARD NORMAL HAZARD SIG SW OUT HAZARD SWITCH HEAD HEADLAMP SWITCH HOT AT ALL TIMES HOT IN RUN OR START ILLUM INSTRUMENT PANEL CLUSTER (IPC) INTERIOR LIGHTS LEFT HEADLAMP LEFT I/P JUNCTION BLOCK LEFT I/P JUNCTION BLOCK (LEFT SIDE LEFT I/P JUNCTION BLOCK (LEFT SIDE OF DASH, LEFT LICENSE LAMP RIGHT LICENSE LAMP LEFT TAIL LAMP PARK TURN/ STOP LEFT TURN INDICATOR LOGIC LEFT TURN INPUT LOGIC LT BLU WIRE OF DASH, BEHIND ACCESS PANEL) OFF ORG/ WIRE PANEL) PARK PARK LP RELAY PARK TURN LEFT FRONT PARK/ TURN LAMP PNK WIRE POWER DISTRIBUTION SYSTEM PPL REAR PARK LP FUSE RED WIRE RIGHT HEADLAMP RIGHT I/P JUNCTION BLOCK (RIGHT SIDE OF DASH, BEHIND ACCESS RIGHT I/P JUNCTION BLOCK (RIGHT SIDE OF DASH, BEHIND ACCESS PANEL) RIGHT TAIL LAMP PARK TURN/ STOP RIGHT TURN INDICATOR RIGHT TURN INPUT STOPLAMP SWITCH (ON BRAKE PEDAL SUPPORT) TURN PARK RIGHT FRONT PARK/ TURN LAMP TURN SIG SW OUT TURN SIGNAL FUSE TURN SIGNAL/ MULTI- FUNCTION RIGHT SWITCH (IN LEFT STEERING COLUMN) WHT WIRE YEL WIRE

17 18 STOP LMP SIG LR LAMP PWR RR LAMP PWR B/U LMP PWR GROUND ANTI-LOCK BRAKES SYSTEM AUX PWR FUSE BACK-UP LAMPS CIRUIT BACK-UP LAMPS CIRUIT 1750 340 BLK WIRE BLOCK (LEFT SIDE OF DASH, BEHIND ACCESS PANEL) BLU WIRE BLUNT CUT) BODY CONTROL MODULE (BEHIND LEFT SIDE OF DASH, ABOVE PARKING BRAKE LEVER) BRAKE SW FUSE BRN WIRE BRN/WHT WIRE CENTER HIGH MOUNTED STOP LAMP (CHMSL) RIGHT TAIL LAMP CRUISE CONTROL SYSTEM DK BLU WIRE DK GRN WIRE DK LT EMERGENCY VEHICLE REAR LAMPS FLASHER (UPPER RIGHT FRONT OF REAR COMPARTMENT) FRONT PARK LP FUSE GRN DK WIRE GRY WIRE HAZ SW FUSE HAZARD HAZARD NORMAL HAZARD SIG SW OUT HAZARD SWITCH HEAD HOT AT ALL TIMES HOT AT ALL TIMES UNDERHOOD JUNCTION BLOCK (TOP) RT I/P 1 FUSE HOT IN RUN OR START ILLUM INDICATOR LEFT TURN INDICATOR RIGHT TURN INPUT INSTRUMENT PANEL CLUSTER (IPC) INTERIOR LIGHTS LEFT EMERGENCY VEHICLE REAR WINDOW PANEL LAMP LEFT HEADLAMP LEFT I/P JUNCTION LEFT I/P JUNCTION BLOCK LEFT I/P JUNCTION BLOCK (LEFT SIDE OF DASH, BEHIND ACCESS PANEL) LEFT LICENSE LAMP LEFT TAIL LAMP LEFT TURN LOGIC LT BLU WIRE LT GRN WIRE NCA WIRE OFF HEADLAMP SWITCH ORG/ WIRE PANEL) PARK PARK LP RELAY PARK TURN LEFT FRONT PARK/ TURN LAMP PARK TURN/ STOP PNK WIRE PPL REAR PARK LP FUSE RED WIRE RIGHT (IN LEFT STEERING COLUMN) RIGHT EMERGENCY VEHICLE REAR WINDOW PANEL LAMP RIGHT HEADLAMP RIGHT I/P JUNCTION BLOCK RIGHT I/P JUNCTION BLOCK (RIGHT SIDE OF DASH, BEHIND ACCESS PANEL) RIGHT LICENSE LAMP RIGHT TURN STOPLAMP SWITCH (ON BRAKE PEDAL SUPPORT) TURN PARK TURN/ STOP RIGHT FRONT PARK/ TURN LAMP TURN SIG SW OUT TURN SIGNAL FUSE TURN SIGNAL/ MULTI-FUNCTION SWITCH WHT WIRE YEL WIRE

AC HEADLAMP RELAY AMBIENT LIGHT SENSOR (TOP RIGHT OF DASH, NEAR DEFOGGER OUTLET) BLK WIRE BLK/WHT WIRE BLOCK (LEFT SIDE OF DASH, BEHIND ACCESS PANEL) BODY CONTROL MODULE (BCM) (BEHIND LEFT SIDE OF DASH, ABOVE PARKING BRAKE LEVER) BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN/WHT WIRE DRL RELAY DRL RELAY SERIAL DATA FOG LP RELAY HIGH BEAM IN HEADLAMP RLY DRL/EXT LTS FUSE EXT LTS FUSE FOG LAMP INDICATOR FOG LAMP SWITCH FOG LIGHT RELAY FOG LP SW PARK BRAKE IN GROUND DISTRIBUTION SYSTEM GRY WIRE HEAD HEADLAMP DIMMER SWITCH HEADLAMP SW AL SENS SIG AL SENS REF 1138 1137 HEADLAMP SWITCH HIGH BEAM HIGH BEAM IND HIGH BEAM OUT HOT AT ALL TIMES IPC CLASS 2 SERIAL DATA LEFT FRONT FOG LAMP LEFT HEADLAMP LEFT I/P JUNCTION LEFT I/P JUNCTION BLOCK (LEFT SIDE OF DASH, BEHIND ACCESS PANEL) LOGIC INSTRUMENT PANEL CLUSTER (IPC) LOW BEAM LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MESSAGE CENTER OFF ORG/ WIRE PARK PARK BRAKE SWITCH (AT BASE OF PARKING BRAKE ASSEMBLY) PNK PNK WIRE PNK WIRE PPL RIGHT FRONT FOG LAMP RIGHT HEADLAMP LOW BEAM TURN SIGNAL/ MULTIFUNCTION SWITCH UNDERHOOD JUNCTION BLOCK (TOP) UNDERHOOD JUNCTION BLOCK (TOP) (ON FRONT OF RIGHT STRUT TOWER) UNDERHOOD JUNCTION BLOCK (TOP) FOG RLY FUSE YEL WIRE YEL/BLK WIRE

AC HEADLAMP RELAY AMBIENT LIGHT SENSOR (TOP RIGHT OF DASH, NEAR DEFOGGER OUTLET) BLK WIRE BLK/WHT WIRE BLOCK (LEFT SIDE OF DASH, BEHIND ACCESS PANEL) BLUNT CUT WIRE PNK BODY CONTROL MODULE (BEHIND LEFT SIDE OF DASH, ABOVE PARKING BRAKE LEVER) BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN/WHT WIRE DRL RELAY DRL RELAY SERIAL DATA FOG LP RELAY HIGH BEAM IN HEADLAMP RLY DRL/EXT LTS FUSE EMERGENCY VEHICLE HEADLAMPS FLASHER (FORWARD OF RADIATOR SUPPORT) EXT LTS FUSE FOG LAMP INDICATOR FOG LAMP SWITCH FOG LIGHT RELAY FOG LP SW PARK BRAKE IN FOG RLY FUSE GROUND DISTRIBUTION SYSTEM GRY WIRE HEAD HEADLAMP DIMMER SWITCH HEADLAMP SW AL SENS SIG AL SENS REF 1138 1137 HEADLAMP SWITCH HIGH BEAM HIGH BEAM IND MESSAGE CENTER HIGH BEAM OUT HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER (IPC) IPC CLASS 2 SERIAL DATA LEFT FRONT FOG LAMP LEFT HEADLAMP LEFT I/P JUNCTION LEFT I/P JUNCTION BLOCK (LEFT SIDE OF DASH, BEHIND ACCESS PANEL) LOGIC LOW BEAM LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE OFF ORG/ WIRE PARK PARK BRAKE SWITCH (AT BASE OF PARKING BRAKE ASSEMBLY) PNK PNK WIRE PNK WIRE PPL RIGHT FRONT FOG LAMP RIGHT HEADLAMP LOW BEAM TURN SIGNAL/ MULTIFUNCTION SWITCH (IN STEERING COLUMN) UNDERHOOD JUNCTION BLOCK (TOP) YEL WIRE YEL/BLK WIRE

3.4L 3.8L A/C-CRUISE FUSE ABS IND. AIR BAG IND AMBIENT AIR TEMPERATURE SENSOR (FRONT OF RADIATOR SUPPORT) AMBIENT TEMP SUNROOF CLOSE SUNROOF SW SUNROOF OPEN BATTERY SERIAL DATA BATTERY BRAKE LVL DATA LINE IGNITION WASH LVL GROUND BLK WIRE BLK/WHT WIRE BOOST GAUGE BRAKE IND BRAKE/ BREAKOUT) BRN WIRE BRN/WHT WIRE CHECK (MALFUNCTION INDICATOR LAMP-MIL) COMPUTER DATA LINES SYSTEM CRUISE IND DASH, BEHIND ACCESS PANEL) DIC/ RKE FUSE DISPLAY DK BLU WIRE DRIVER INFORMATION CENTER (DIC) ENGINE COOLANT TEMPER- ATURE GAUGE ENGINE OIL LEVEL SWITCH (OPEN W/ LOW OIL LEVEL) (3.8L) ENGINE OIL PRESSURE GAUGE FUEL GAUGE FUEL PUMP, SENDER ASSEMBLY FUEL LEVEL SENSOR GND RIGHT TURN INPUT GND LEFT TURN INPUT GRY WIRE HIGH BEAM IND HOT AT ALL TIMES HOT IN HOT IN RUN OR START IGNITION IGNITION GROUND ILLUMINATION (7 BULBS) INSTRUMENT PANEL CLUSTER INTERNAL COMPASS SENSOR (W/O SUNROOF) LEFT I/P JUNCTION BLOCK (LEFT SIDE OF DASH, BEHIND ACCESS PANEL) CLSTR/ BCM FUSE LEFT TURN IND LOGIC LOW REF LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MESSAGE CENTER MIL CTRL NCA WIRE ODOMETER/ PRNDL DISPLAY OIL LEVEL SWITCH SIGNAL OIL PRESSURE SWITCH SIGNAL ORG/ WIRE PCM/BCM CLSTR FUSE POWER DISTRIBUTION SYSTEM (PASSENGER COMPT, 10 CM POWER TOPS SYSTEM POWERTRAIN CONTROL MODULE (PCM) PPL PPL FUEL LEVEL SENSOR SIGNAL RED WIRE RESET SWITCH RIGHT I/P JUNCTION BLOCK (RIGHT SIDE OF RIGHT I/P JUNCTION BLOCK (RIGHT SIDE OF DASH, BEHIND ACCESS PANEL) RIGHT TURN IND RUN WIRE SEAT BELT IND SERVICE ENGINE SOON IND SPEEDO- METER TACHO- METER TAN WIRE TAN/BLK WIRE TRAC OFF IND VF DISPLAY DRIVER VOLT- METER W/O POLICE WHT WIRE WIPER/ WASHER SYSTEM (OR 685) EXTERIOR LIGHTS SYSTEM YEL WIRE

A/C-CRUISE FUSE ABS/PCM FUSE BCM FUSE STOP FUSE BLK WIRE BLUNT CUT WIRE AT RIGHT FRONT FLOOR (W/ SEO) BODY CONTROL MODULE (BCM) BODY CONTROL MODULE (BCM) PNK WIRE BRN WIRE CIG/ AUX FUSE CRANK RELAY CRUISE CONTROL MODULE (CCM) CRUISE CONTROL ON/OFF SWITCH CRUISE CONTROL RELEASE SWITCH CRUISE FUSE DK BLU WIRE DK GRN WIRE DRIVER INFORMATION CENTER (DIC) ELECTRONIC BRAKE CONTROL MODULE (EBCM) POWERTRAIN CONTROL MODULE (PCM) EVAPORATIVE EMISSIONS (EVAP) CANISTER VENT SOLENOID FROM IGN SW FUSE (DIAGRAM 1 OF 5) FROM IGNITION SWITCH (DIAGRAM 2 OF 5) HAZARD SWITCH HVAC CONTROL MODULE IGNITION KEY ALARM SWITCH (CLOSED WITH KEY IN IGNITION SWITCH) IGNITION SWITCH INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) INSIDE REARVIEW MIRROR INSTRUMENT PANEL CLUSTER (IPC) JUNCTION BLOCK LEFT I/P JUNCTION BLOCK (LEFT SIDE OF DASH, BEHIND ACCESS PANEL) LT GRN WIRE NCA WIRE ON LOCK OFF ORG/ WIRE PCM (CRANK) FUSE PCM/BCM CLSTR FUSE PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) POWERTRAIN CONTROL MODULE (PCM) PPL PPL PPL PPL RED WIRE SRS FUSE STOP LAMP SWITCH TO AUXILIARY POWER DROP CONNECTOR (DIAGRAM 5 OF 5) TO CRUISE FUSE (DIAGRAM 2 OF 5) TO IGNITION RELAY (DIAGRAM 1 OF 5) TO PCM (CRANK) FUSE (DIAGRAM 2 OF 5) TO PCM/BCM/ CLSTR FUSE (DIAGRAM 2 OF 5) TURN SIGNAL FUSE UNDERHOOD JUNCTION BLOCK (TOP) (ON FRONT OF RIGHT STRUT TOWER) W/ ABS W/ DISPLAY DRIVER INFORMATION CENTER W/ GPS W/O GPS WARNING SYSTEM WHT WIRE WINDSHIELD WIPER SYSTEM MODULE WINDSHIELD WIPER/ WASHER SWITCH WSW FUSE YEL WIRE

1-2 SHIFT SOLENOID (1-2 SS) VALVE 2-3 SHIFT SOLENOID (2-3 SS) VALVE 3.4L 3.4L 3.8L 3.8L 3.4L A/C CMPR RELAY A/C RLY (COIL) FUSE AUTOMATIC TRANSAXLE BLK WIRE BODY CONTROL MODULE (BCM) DATA LINK CONNECTOR (DLC) DFI MDL FUSE DK GRN WIRE DR LK FUSE PWR MIR FUSE CLSTR/ BCM FUSE DRIVER HEATED SEAT RELAY (W/ HEATED SEAT) DRIVER SEAT DRIVER WINDOW SWITCH SUNROOF MODULE ENG DEVICES FUSE EVAPORATIVE EMISSION (EVAP) CANISTER PURGE SOLENOID FAN CONT 1 FUSE FAN CONT 1 RELAY FAN CONT 2, 3 FUSE FAN CONT 2 RELAY FAN CONT 3 RELAY FROM COOLING FANS FUSE (DIAGRAM 1 OF 5) FROM IGN RLY RELAY (DIAGRAM 1 OF 5) FROM LEFT I/P FUSE (DIAGRAM 1 OF 5) FRONT PASSENGER WINDOW SWITCH FUEL INJ FUSE FUEL INJECTOR 1 FUEL INJECTOR 2 FUEL INJECTOR 3 FUEL INJECTOR 4 FUEL INJECTOR 5 FUEL INJECTOR 6 HEAD- LAMP RELAY HEATED OXYGEN SENSOR IGNITION CONTROL MODULE (ICM) INSTRUMENT PANEL CLUSTER (IPC) BODY CONTROL MODULE (BCM) LEFT I/P JUNCTION BLOCK (LEFT SIDE OF DASH, BEHIND ACCESS LH HTD ST/BCM FUSE MASS AIR FLOW (MAF SENSOR) MONTE CARLO NCA WIRE ORG/ WIRE OUTSIDE REARVIEW MIRROR SWITCH BODY CONTROL MODULE (BCM) OXY SEN FUSE PANEL) PNK PNK FUEL INJECTOR 1 BREAKOUT, FUEL INJECTOR 2 BREAKOUT) WIRE PNK PNK WIRE PNK WIRE RED WIRE RETAINED ACCSRY POWER RELAY RETAINED ACCSRY PWR BRKR CIRCUIT BREAKER RIGHT I/P JUNCTION BLOCK (RIGHT SIDE OF DASH, BEHIND ACCESS PANEL) SENSOR 1 SENSOR 2 TORQUE CONVERTER CLUTCH (TCC) SOLENOID VALVE TRANS SOL FUSE UNDERHOOD JUNCTION BLOCK (BOTTOM) (ON FRONT OF RIGHT STRUT TOWER) W/O SEO YEL WIRE

3 9 (W/O GPS) (W/ GPS) AUXILIARY DOME LAMP INSIDE REARVIEW MIRROR B/U LP FUSE BACK-UP LP RELAY BATT RUNDOWN PROTECTION RELAY BLK WIRE BLU WIRE BODY CONTROL MODULE (BCM) BRN WIRE DIC/RKE FUSE DK BLU WIRE DOME LAMP (W/O READING LAMP) DRIVER INFORMATION CENTER (DIC) DRIVER SEAT ADJUSTER SWITCH FRONT PASSENGER SEAT ADJUSTER SWITCH EMERGENCY VEHICLE REAR COMPARTMENT LID LAMPS RELAY FROM UNDERHOOD JUNCTION BLOCK (TOP) (DIAGRAM 1 OF 5) FRONT PARK LP FUSE FRONT PASSENGER HEATED SEAT RELAY (W/ HEATED SEATS) GRN WIRE HEADLAMP SWITCH RIGHT HEADLAMP CONNECTOR BREAKOUT) HVAC CONTROL MODULE I/P BRP FUSE IMPALA LEFT BACKUP LAMP RIGHT BACKUP LAMP LEFT BACKUP LAMP LEFT COURTESY/ READING LAMP RIGHT COURTESY/ READING LAMP LEFT HEADLAMP LEFT I/P COURTESY LAMP LICENSE LAMP LT GRN WIRE LT INSIDE REARVIEW MIRROR (W/ READING LAMPS) MONTE CARLO MONTE CARLO IMPALA NCA WIRE ORG/ WIRE PARK LP RELAY PWR DROP FUSE PWR SEATS CIRCUIT BREAKER REAR COMPART- MENT COURTESY LAMP REAR COMPARTMENT OCCUPANT SENSOR REAR PRK LP FUSE RED WIRE REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) (W/O SEO) RH HTD ST FUSE RIGHT BACKUP LAMP RIGHT HEADLAMP RIGHT I/P COURTESY LAMP RIGHT LICENSE LAMP LEFT LICENSE LAMP RIGHT TAIL LAMP LEFT TAIL LAMP RIGHT VANITY MIRROR LAMP LEFT VANITY MIRROR LAMP TO AUXILIARY POWER DROP CONNECTOR (DIAGRAM 5 OF 5) TRK/ ROOF BRP FUSE VEHICLE COMMUNICATION INTERFACE MODULE W/ GPS W/ GPS W/O GPS W/ SEO WHT WIRE YEL WIRE