Chevrolet Impala VIII (1999-2006) hot at all times Wiring diagrams

BLK WIRE DK BLU WIRE DK GRN WIRE DRIVER SEAT ADJUSTER MOTOR ASSEMBLY DRIVER SEAT ADJUSTER SWITCH DRIVER SEAT FRONT VERTICAL MOTOR DRIVER SEAT HORIZONTAL MOTOR DRIVER SEAT REAR VERTICAL MOTOR FORWARD/ FRONT DOWN FRONT PASSENGER SEAT ADJUSTER MOTOR ASSEMBLY FRONT PASSENGER SEAT ADJUSTER SWITCH FRONT PASSENGER SEAT FRONT VERTICAL MOTOR FRONT PASSENGER SEAT HORIZONTAL MOTOR FRONT PASSENGER SEAT REAR VERTICAL MOTOR FRONT UP BACK HOT AT ALL TIMES LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE POWER SEATS CIRCUIT BREAKER REAR DOWN REAR UP REAR UP FRONT DOWN RIGHT I/P JUNCTION BLOCK (RIGHT SIDE OF DASH, BEHIND ACCESS PANEL) TAN WIRE YEL WIRE

BATT RUNDOWN PROTECTION RELAY BEHIND ACCESS PANEL) BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (BEHIND LEFT SIDE OF DASH, ABOVE PARKING BRAKE LEVER) COURTESY LMP RLY CTRL LOW CTRL GROUND CRTSY LMP V DIC/ RKE FUSE DK BLU WIRE DK BLU/WHT WIRE DK DK DOME OFF SURVEILLANCE MODE SWITCH (W/ POLICE PACKAGE, LIMITED CONTENT) HEADLAMP SWITCH PPL HOT AT ALL TIMES I/P BRP FUSE LEFT I/P COURTESY LAMP LEFT I/P JUNCTION BLOCK (LEFT SIDE OF DASH, BEHIND ACCESS PANEL) NCA WIRE ORG/ WIRE PPL MODE SW SIG DOME LMP SW REAR COMPARTMENT LID AJAR SWITCH RED WIRE RED/BLK WIRE RIGHT I/P COURTESY LAMP RIGHT I/P JUNCTION BLOCK (RIGHT SIDE OF DASH, TO SPLICE TRK/ROOF BRP FUSE WHT WIRE

11 6 3 2 KEYPAD SIG SUPPLY VOL GREEN LED SIG AMBIENT LIGHT SENSOR AUTOMATIC DAY/NIGHT MIRROR ELEMENT B/U LAMP FUSE BACK-UP LAMP RELAY BARE BARE DRAIN WIRE BLK WIRE BLU WIRE BRN WIRE BRN/WHT WIRE CELLULAR DIC/RKE FUSE DK BLU WIRE DK BLU/WHT WIRE DK GRN/WHT WIRE GRY WIRE HEADLIGHT SENSOR BACKUP LAMP SUPPLY VOLTAGE IGN GND HOT AT ALL TIMES INSIDE REARVIEW MIRROR LEFT MIRROR SWITCH RIGHT MIRROR SWITCH LOGIC LT GRN WIRE LT GRN/BLK WIRE MICROPHONE ONSTAR BUTTON ASSEMBLY RED LED SIG WIRE RIGHT I/P JUNCTION BLOCK (RIGHT SIDE OF DASH, BEHIND ACCESS PANEL) W/ GPS W/O GPS 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) 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

BLK WIRE DK GRN WIRE HORN ASSEMBLY (LOWER RIGHT FRONT OF VEHICLE) HORN RELAY HORN RELAY FUSE HORN SWITCH HOT AT ALL TIMES NCA WIRE ORG/ WIRE SLIP RING SPRING STEERING COLUMN HORN BRUSH UNDERHOOD JUNCTION BLOCK (TOP) (ON FRONT OF RIGHT STRUT TOWER)

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

BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BEHIND LEFT SIDE OF DASH, ABOVE PARKING BRAKE LEVER) BRN WIRE FULL BRIGHT GRY WIRE GRY/BLK WIRE HEAD PARK LAMP SWITCH HEADLAMP SWITCH HOT AT ALL TIMES I/P DIMMING SWITCH INT DIM CTRL RELAY CTRL GROUND GROUND GROUND LEFT CRUISE CONTROL (SET/ COAST) LEFT I/P JUNCTION BLOCK (LEFT SIDE OF DASH, BEHIND ACCESS PANEL) LEFT RADIO CONTROL (SEEK/ PRESET) LOW DIM LT BLU WIRE NCA WIRE OFF PARK PARK LAMP RELAY PARK LAMP SWITCH INPUT REAR PARK LMP FUSE RED WIRE RIGHT CRUISE CONTROL (RESUME/ ACCEL) RIGHT I/P 1 FUSE RIGHT I/P JUNCTION BLOCK (RIGHT SIDE OF DASH, BEHIND ACCESS PANEL) RIGHT RADIO CONTROL (VOLUME/ MODE) STEERING COLUMN FUSE STEERING WHEEL) TO HVAC CONTROL MODULE (DIAGRAM 2 OF 2) TO LEFT I/P JUNCTION BLOCK (DIAGRAM 2 OF 2) UNDERHOOD JUNCTION BLOCK (TOP) (ON FRONT OF RIGHT STRUT TOWER) WHT WIRE

1 2 3 4 BATTERY SERIAL DATA SIG 1940 1344 1840 294 295 139 694 781 1251 TRUNK, TAILGATE, FUEL DOORS SYSTEM B+ GROUND SERIAL DATA SIG IGNITION 0 SERIAL DATA BCM FUSE BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (BEHIND LEFT SIDE OF DASH, ABOVE PARKING BRAKE LEVER) CLOSED AJAR OPEN CLSTR/BCM FUSE CTSY DK BLU WIRE DK BLU/WHT WIRE DOOR AJAR IN ACC SIG IN LF DR OPEN IN DOOR LOCK DOWN DR LK FUSE DRIVER DOOR LOCK DRIVER DOOR LOCK CYLINDER SWITCH DRIVER DOOR LOCK SWITCH FRONT PASSENGER DOOR LOCK CYLINDER SWITCH (IF EQUIPPED) FRONT PASSENGER DOOR LOCK SWITCH GROUND GRY WIRE HOT AT ALL TIMES HOT IN ACC, ON OR START HOT IN ON OR ACC HOT IN ON OR START ILLUM ENTRY IMPALA LEFT I/P JUNCTION BLOCK (LEFT SIDE OF DASH, BEHIND ACCESS PANEL) LEFT REAR DOOR LOCK (IMPALA) LH HTD ST/BCM FUSE LOCK LT BLU WIRE LT GRN WIRE ORG/ WIRE ORG/BLK WIRE PCM/BCM CLSTR FUSE PNK PNK WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL COMPUTER DATA LINES SYSTEM PPL PPL REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) (ON UPPER CENTER OF DASH) RIGHT I/P JUNCTION BLOCK (RIGHT SIDE OF DASH, BEHIND ACCESS PANEL) RIGHT I/P JUNCTION BLOCK (RIGHT SIDE OF DASH, BEHIND ACCESS PANEL) DIC/RKE FUSE STOP FUSE TAN WIRE UNLOCK UNLOCK LOCK W/ ANTI- THEFT W/ SEO WHT WIRE YEL WIRE

BLK WIRE DEFOGGER SYSTEM DRIVER OUTSIDE REARVIEW MIRROR GRY WIRE HORZ HOT AT ALL TIMES LEFT LEFT I/P JUNCTION BLOCK (LEFT SIDE OF DASH, BEHIND ACCESS PANEL) PWR MIR FUSE LT BLU WIRE LT GRN WIRE NCA WIRE OFF ORG/ WIRE OUTSIDE REARVIEW MIRROR SWITCH PASSENGER OUTSIDE REARVIEW MIRROR PPL/WHT WIRE RED/WHT WIRE RIGHT UP LT VERT WHT WIRE