Chevrolet Impala VIII (1999-2006) nca Wiring diagrams

BLK WIRE BRN WIRE CLOSE CLOSE SIG DK BLU WIRE DK GRN WIRE GROUND HOT IN ACC, ON, RAP LEFT I/P JUNCTION BLOCK (LEFT SIDE OF DASH, BEHIND ACCESS PANEL) LOW REF NCA WIRE NEAR WINDSHIELD) OPEN SIG ORG/ WIRE RED WIRE RETAINED ACCESSORY POWER CIRCUIT BREAKER SOFT STOP STOP INPUT SUN ROOF MODULE (IN ROOF, SUN ROOF MOTOR (AT CENTER LEFT OF WINDSHIELD HEADER) SUN ROOF OPENING POSITION SWITCH (ABOVE SUN ROOF MOTOR) SUNROOF SWITCH VENT VENT INPUT YEL WIRE

1 2 8 AUD SIGNAL AUD OUT- DRAIN WIRE 368 367 372 372 SATELLITE RADIO CIRCUIT ANT ANT ENABLE ILLUM GROUND AMP SIG ANTENNA ENABLE SIG AUDIO AMPLIFIER (IN LUGGAGE COMPT, BENEATH CENTER OF REAR PACKAGE SHELF) BARE BEHIND ACCESS PANEL) BLK WIRE BLK/WHT WIRE BREAKOUT) BRN WIRE COMPUTER DATA LINES SYSTEM DASH, BEHIND ACCESS PANEL) DATA DEFOG GRID DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE GRN WIRE GROUND GRY WIRE HOT AT ALL TIMES HOT W/ REAR DEFOG ON LEFT I/P JUNCTION BLOCK (LEFT SIDE OF DASH, LEFT I/P JUNCTION BLOCK (LEFT SIDE OF DASH, BEHIND ACCESS PANEL) LF SPKR OUT+ LF TWET SPKR OUT+ LR SPKR LR SPKR RF SPKR RF SPKR LR SPKR OUT+ LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MONTE CARLO NCA WIRE ORG/ WIRE PNK 6 7 8 WIRE PNK REMOTE OUT REMOTE LF SPKR LF SPKR RR SPKR RR SPKR GROUND BATT WIRE PNK/BLK WIRE PPL RADIO RADIO ANTENNA MODULE (ON UPPER PORTION OF LEFT "C" PILLAR) RADIO FUSE REAR DEFOG CIRCUIT BREAKER REAR WINDOW RED WIRE RF SPKR OUT+ RF TWET SPKR OUT+ RIGHT AUX LEFT AUX COMMON AUDIO OUT- AUDIO SIGNAL RIGHT I/P JUNCTION BLOCK (RIGHT SIDE OF RIGHT I/P JUNCTION BLOCK (RIGHT SIDE OF DASH, BEHIND ACCESS PANEL) RIGHT I/P JUNCTION BLOCK (RIGHT SIDE OF DASH, BEHIND BARE ACCESS PANEL) RR SPKR OUT+ TAN WIRE WHT WIRE YEL WIRE

BLK WIRE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE GRY WIRE LEFT FRONT DOOR SPEAKER LEFT RADIO STEERING WHEEL CONTROLS LEFT REAR SPEAKER LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MODE MUTE NCA WIRE PNK 6 7 8 WIRE PNK WIRE PPL PRESET RED WIRE RIGHT FRONT DOOR SPEAKER RIGHT RADIO STEERING WHEEL CONTROLS RIGHT REAR SPEAKER SEEK DN SEEK TYPE SEEK UP STEERING WHEEL CONTROLS TAN WIRE VOL DN VOL UP WHT WIRE YEL WIRE

1 2 8 AUD SIGNAL AUD OUT- DRAIN WIRE ANT ENABLE ILLUM GROUND BARE BLK WIRE BLK/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DATA DEFOG GRID DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT W/ REAR DEFOG ON LEFT FRONT DOOR SPEAKER LEFT RADIO STEERING WHEEL CONTROLS LEFT REAR SPEAKER LR SPKR LR SPKR RF SPKR RF SPKR LT BLU WIRE LT GRN WIRE MODE MUTE NCA WIRE ORG/ WIRE PNK REMOTE OUT REMOTE LF SPKR LF SPKR RR SPKR RR SPKR GROUND BATT WIRE PNK WIRE PNK/BLK WIRE PPL PRESET RADIO RADIO ANTENNA MODULE (ON UPPER PORTION OF LEFT "C" PILLAR) RADIO FUSE REAR DEFOG CIRCUIT BREAKER REAR WINDOW ANT RIGHT AUX LEFT AUX COMMON AUD OUT- AUD SIGNAL RIGHT FRONT DOOR SPEAKER RIGHT I/P JUNCTION BLOCK (RIGHT SIDE OF DASH, BEHIND ACCESS PANEL) RIGHT RADIO STEERING WHEEL CONTROLS RIGHT REAR SPEAKER SATELLITE RADIO CIRCUIT SEEK DN SEEK TYPE SEEK UP STEERING WHEEL CONTROLS TAN WIRE VOL DN VOL UP WHT WIRE YEL WIRE

1 2 8 AUD SIGNAL AUD OUT- DRAIN WIRE 199 116 117 200 NOT USED 368 367 372 372 SATELLITE RADIO CIRCUIT ANT ANT ENABLE ILLUM GROUND BARE BLK WIRE BLK/WHT WIRE BLUNT CUT) BRN WIRE COMPUTER DATA LINES SYSTEM DATA DEFOG GRID DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ REAR DEFOG ON LEFT FRONT DOOR SPEAKER LEFT RADIO STEERING WHEEL CONTROLS LEFT REAR SPEAKER LR SPKR LR SPKR RF SPKR RF SPKR LT BLU WIRE LT GRN WIRE MODE MUTE NCA WIRE NOT USED ORG/ WIRE PNK REMOTE OUT REMOTE LF SPKR LF SPKR RR SPKR RR SPKR GROUND BATT WIRE PNK WIRE PNK/BLK WIRE PRESET RADIO RADIO ANTENNA MODULE (ON UPPER PORTION OF LEFT "C" PILLAR) RADIO FUSE REAR DEFOG CIRCUIT BREAKER REAR WINDOW RIGHT AUX LEFT AUX COMMON AUD OUT- AUD SIGNAL RIGHT FRONT DOOR SPEAKER RIGHT I/P JUNCTION BLOCK (RIGHT SIDE OF DASH, BEHIND ACCESS PANEL) RIGHT RADIO STEERING RIGHT REAR SPEAKER SEEK DN SEEK TYPE SEEK UP STEERING WHEEL CONTROLS TAN WIRE VOL DN VOL UP WHEEL CONTROLS WHT WIRE YEL WIRE

AIR BAG INDICATOR BLK WIRE BLK/WHT WIRE BRN WIRE CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA HIGH CONTROL LOW CONTROL LOW CONTROL DK BLU WIRE DK GRN WIRE GROUND HIGH CONTROL LOW CONTROL LOW CONTROL HIGH CONTROL VOLTAGE SIGNAL GRY WIRE HIGH CONTROL HIGH CONTROL LOW CONTROL HOT IN ON, START IGNITION INFLATABLE RESTRAINT FRONT END DISCRIMINATING SENSOR INFLATABLE RESTRAINT I/P MODULE INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (BELOW PASSENGER'S SEAT) INFLATABLE RESTRAINT STEERING WHEEL MODULE INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL INSTRUMENT PANEL CLUSTER LEFT FRONT INFLATABLE RESTRAINT SIDE IMPACT MODULE LEFT I/P JUNCTION BLOCK (LEFT SIDE OF DASH, BEHIND ACCESS PANEL) LEFT SEAT BELT SWITCH LEFT SIGNAL SENSOR SIGNAL LOGIC NCA WIRE ORG/ WIRE PNK PPL WIRE PNK WIRE PPL PPL PPL RIGHT I/P JUNCTION BLOCK (RIGHT SIDE OF DASH, BEHIND ACCESS PANEL) SHORTING BAR SOLID STATE SRS FUSE STAGE 1 STAGE 2 TAN WIRE WHT WIRE YEL WIRE

BLK WIRE BODY CONTROL MODULE (BCM) CLASS 2 SER DATA SERIAL DATA COMPUTER DATA LINES SYSTEM DIC/RKE FUSE GRY WIRE HOT AT ALL TIMES INPUT INSTRUMENT PANEL CLUSTER (IPC) INTERIOR, EXTERIOR LIGHTS SYSTEMS IPC CLASS 2 SERIAL DATA LOGIC LT BLU WIRE LT GRN WIRE MESSAGE CENTER TRUNK OPEN NCA WIRE ORG/ WIRE REAR COMPARTMENT LID AJAR SWITCH REAR COMPARTMENT LID RELEASE ACTUATOR REAR COMPARTMENT LID RELEASE SWITCH RED/BLK WIRE RED/WHT WIRE RELEASE CTRL TRUNK AJAR SW REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) (ON UPPER CENTER OF DASH) RIGHT I/P JUNCTION BLOCK (RIGHT SIDE OF DASH, BEHIND ACCESS PANEL) SERIAL DATA WHT WIRE

BATTERY BATTERY IGNITION 1 VOLTAGE HEADLAMP SWITCH SIGNAL GROUND BATTERY CLASS 2 SERIAL DATA GROUND GROUND IGNITION 0 VOLTAGE GROUND BCM FUSE BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (BEHIND LEFT SIDE OF DASH, ABOVE PARKING BRAKE LEVER) CLASS 2 SERIAL DATA CLSTR/ BCM FUSE DATA LINK CONNECTOR DK BLU WIRE DOOR OPEN SWITCH- DRIVER DR LK FUSE DRIVER DOOR LOCK DRIVER DOOR LOCK SWITCH GRY WIRE HEADLAMP SWITCH HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ACC, ON OR START HOT IN ON OR START IGNITION KEY ALARM SWITCH (CLOSED W/KEY IN IGNITION SWITCH) IGNITION SWITCH (LEFT SIDE OF DASH) INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) (BELOW PASSENGER'S SEAT) INSTRUMENT PANEL CLUSTER (IPC) LEFT I/P JUNCTION BLOCK (LEFT SIDE OF DASH, BEHIND ACCESS PANEL) LEFT SEAT BELT SWITCH LEFT SEAT BELT SWITCH (RIGHT SIDE OF DRIVER'S SEAT) LH HTD ST/BCM FUSE LOGIC LOW TIRE PRESSURE DOOR AJAR LT BLU WIRE LT GRN WIRE MESSAGE CENTER NCA WIRE OFF OPEN AJAR ORG/ WIRE PARK BRAKE SWITCH (AT BASE OF PARKING BRAKE ASSEMBLY) PARK HEAD PARK HEAD OFF PARK LAMP SWITCH PCM/BCM CLSTR FUSE PNK WIRE POWER DISTRIBUTION SYSTEM PPL PPL (DLC) (BELOW LEFT SIDE OF DASH, RIGHT OF STEERING COLUMN) RADIO SEAT BELT IND SERIAL DATA STOP FUSE WHT WIRE YEL WIRE

BLK WIRE DK GRN WIRE GRY WIRE HI LO HI MIST LO OFF INSTRUMENT PANEL CLUSTER (IPC) LO OFF LOGIC WINDSHIELD WASHER FLUID LEVEL SIGNAL MESSAGE CENTER LOW WASHER FLUID MIST NCA WIRE OFF PARK SWITCH PPL PULSE TIMER CIRCUITRY RED WIRE WASHER SWITCH WHT WIRE WINDSHIELD WASHER FLUID LEVEL SWITCH (IN WASHER FLUID RESERVOIR) WINDSHIELD WASHER FLUID PUMP (IN WINDSHIELD WASHER FLUID RESERVOIR) WINDSHIELD WIPER SYSTEM MODULE (ON LEFT SIDE OF FIREWALL, IN ENGINE COMPT) WINDSHIELD WIPER/WASHER SWITCH WIPER SWITCH YEL WIRE