Chevrolet Impala VIII (1999-2006) class 2 serial data Wiring diagrams

AJAR SWITCH BCM FUSE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BEHIND LEFT SIDE OF DASH, ABOVE PARKING BRAKE LEVER) CLASS 2 DATA LINE CLASS 2 SERIAL DATA CLSTR/BCM FUSE DATA DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK LK FUSE DOOR AJAR IN ACCY SIG IN DRIVER DOOR AJAR IN KEY SWITCH SIGNAL EXTERIOR LIGHTS, INTERIOR LIGHTS SYSTEMS FRONT PASSENGER DOOR LOCK CYLINDER SWITCH GRY WIRE HEADLIGHTS SYSTEM HORNS SYSTEM HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ACC, ON OR START HOT IN ON OR START IGNITION LOCK CYLINDER INSTRUMENT PANEL CLUSTER (IPC) KEYLESS ENTRY SERIAL DATA LEFT FRONT DOOR LOCK LEFT FRONT DOOR LOCK CYLINDER SWITCH LEFT FRONT DOOR LOCK SWITCH LEFT I/P JUNCTION BLOCK (LEFT SIDE OF DASH, BEHIND ACCESS PANEL) LEFT REAR DOOR LOCK (INSIDE AJAR SWITCH LEFT REAR DOOR) LH HTD ST/BCM FUSE LOCK LOCK UNLOCK LOGIC LT GRN WIRE MESSAGE CENTER NCA WIRE ORG/ WIRE ORG/BLK WIRE PASSLOCK SENSOR PCM/BCM CLSTR FUSE PNK PNK WIRE PNK WIRE POWER DISTRIBUTION SYSTEM POWERTRAIN CONTROL MODULE (PCM) (IN AIR CLEANER BOX) PPL PPL (LEFT SIDE OF DASH) PPL PPL REAR COMPARTMENT LID AJAR SWITCH RED/BLK WIRE REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) (ON UPPER CENTER OF DASH) RIGHT FRONT DOOR LOCK RIGHT FRONT DOOR LOCK SWITCH RIGHT I/P JUNCTION BLOCK RIGHT I/P JUNCTION BLOCK (RIGHT SIDE OF DASH, BEHIND ACCESS PANEL) RIGHT REAR DOOR LOCK SECURITY INDICATOR STOP FUSE UNLOCK W/ SEO WHT WIRE YEL WIRE

A/C RLY (CMPR) FUSE BATTERY BLK WIRE CLASS 2 SERIAL DATA DATA LINK CONNECTOR (BELOW LEFT SIDE OF DASH, RIGHT OF STEERING COLUMN) PPL DK GRN WIRE FUSIBLE LINK (10 GA- RUST) (FRONT OF ENGINE, ON STARTER SOLENOID) GENERATOR GENERATOR TURN ON SIGNAL GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START IGN VOLT INSTRUMENT PANEL CLUSTER (IPC) IPC CLASS 2 SERIAL DATA LEFT I/P JUNCTION BLOCK (LEFT SIDE OF DASH, BEHIND ACCESS PANEL) LOGIC MESSAGE CENTER CHARGE IND ORG/ WIRE PCM/BCM/CLSTR FUSE POWER DISTRIBUTION SYSTEM POWERTRAIN CONTROL MODULE (PCM) (IN AIR CLEANER BOX) PPL RED WIRE STARTER SOLENOID UNDERHOOD JUNCTION BLOCK (TOP) (ON FRONT OF RIGHT STRUT TOWER)

ABS/PCM FUSE BATTERY BLK WIRE BLU WIRE CLASS 2 SERIAL DATA CRANK RELAY DK GRN WIRE FUSIBLE LINK (10 GA- RUST) (FRONT OF ENGINE, ON STARTER SOLENOID) FUSIBLE LINK (18 GA- GENERATOR HOLD- IN COIL PULL- IN COIL HOT AT ALL TIMES HOT IN ON OR START IGNITION SWITCH LEFT I/P JUNCTION BLOCK (LEFT SIDE OF DASH, BEHIND ACCESS PANEL) ON LOCK OFF PCM (CRANK) FUSE PNK WIRE POWER DISTRIBUTION SYSTEM POWERTRAIN CONTROL MODULE (PCM) (IN AIR CLEANER BOX) PPL PPL CRANK REQUEST CRANK RELAY CTRL RED WIRE STARTER MOTOR STARTER SOLENOID UNDERHOOD JUNCTION BLOCK (TOP) (ON FRONT OF RIGHT STRUT TOWER) YEL WIRE YEL/BLK 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

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