Buick LaCrosse II (2009-2013) wht/vio Wiring diagrams

1969 28 HEADLIGHTS SYSTEM HORNS SYSTEM 2500 2501 COMPUTER DATA LINES SYSTEM 5077 7541 STARTING/CHARGING SYSTEM EXTERIOR LIGHTS SYSTEM 5797 6132 TRUNK, TAILGATE, FUEL DOORS SYSTEM COMPUTER DATA LINES SYSTEM 5911 3271 2150 294 1303 DOOR LOCKS SYSTEM 6133 6134 COMPUTER DATA LINES SYSTEM BATTERY BLK WIRE BLK/VIO WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRN WIRE BRN/GRY WIRE BRN/LT GRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CHILD SECURITY LCK MTR SHIFT POSITION SIG CHILD SECURITY LOCK RLY CTRL COLUMN) DK BLU WIRE DK BLU/VIO WIRE DK BLU/WHT WIRE DOOR LOCK CONTROL CHILD SECURITY LCK MTR COURTESY LAMP SW SIG DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM INTERIOR LIGHTS SYSTEM DOOR LOCKS SYSTEM SHIFT INTERLOCK SYSTEM DOOR LOCKS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM FOG LAMP RELAY CONTROL LIFT GLASS/TRUNK RELEASE CTRL CRUISE/ETC/TCC BRAKE SIGNAL GRN/BLU WIRE GRN/BRN WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/BRN WIRE GRY/LT GRN WIRE GRY/YEL WIRE HEADLAMP HIGH BEAM RLY CTRL HORN RLY CTRL HEADLIGHTS SYSTEM HI SPEED GMLAN DATA BUS (+) HI SPEED GMLAN DATA BUS (-) HOT AT ALL TIMES IGNITION SWITCH INTERCONNECT NETWORK BUS 2 INTERCONNECT NETWORK BUS 3 INTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM KEY-IN IGNITION SWITCH LED AMBIENT LIGHTING CTRL 1 LOW REFERENCE STOP LAMP SPLY VOLT LT GRN/GRY WIRE LT GRN/RED WIRE LT GRN/VIO WIRE LT GRN/WHT WIRE OFF POWER DISTRIBUTION SYSTEM PPL PPL PPL RED/LT GRN WIRE RED/WHT WIRE RR CLOSURE HANDLE SW OPEN SIG INTERCONNECT NETWORK BUS 1 RUN RELAY COIL CONTROL RUN WIRE STARTING/CHARGING SYSTEM STARTING/CHARGING SYSTEM COMPUTER DATA LINES SYSTEM VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/BRN WIRE WHT/DK BLU WIRE WHT/VIO WIRE WHT/YEL WIRE WINDSHIELD WIPER SW HI SIG WIPER/WASHER SYSTEM YEL WIRE

135 MM FROM BREAKOUT TO 6105 6106 6106 6106 COMPUTER DATA LINES SYSTEM BLK WIRE BLK/BRN WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BRN WIRE BRN/DK BLU WIRE BRN/LT GRN WIRE BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/GRY WIRE DK GRN/GRY WIRE DRIVER INFORMATION CENTER DISPLAY ESC OFF IND FUSE 31 GMLAN SER DATA (+) GMLAN SER DATA (+) GMLAN SER DATA (-) GMLAN SER DATA (-) GRN WIRE GRY/DK BLU WIRE GRY/WHT WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT FRONT SHOCK ABSORBER ACTUATOR LEFT FRONT VERTICAL BODY ACCELERATION SENSOR (LEFT FRONT STRUT TOWER) LEFT REAR SHOCK ABSORBER ACTUATOR LF WHL ACC LOW REF LOGIC LT GRN/GRY WIRE LT GRN/VIO WIRE NCA WIRE ORG/ WIRE PACK) PNK/BLK WIRE PPL REAR BODY FUSE BLOCK (ON LEFT REAR WHEELHOUSE) REAR VERTICAL BODY ACCELERATION SENSOR (FRONT OF REAR COMPT) RED/GRY WIRE RIGHT FRONT SHOCK ABSORBER ACTUATOR RIGHT FRONT VERTICAL BODY ACCELERATION SENSOR (RIGHT FRONT STRUT TOWER) RIGHT REAR SHOCK ABSORBER ACTUATOR SUSPENSION CONTROL MODULE (LEFT CORNER OF REAR COMPT) TCS/ ESC IND WHT WIRE WHT/BRN WIRE WHT/DK BLU WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/RED BLK/BRN WIRE YEL/RED WIRE

18 12 RR STATUS SIG LR STATUS SIG 25 27 16 RCDLR POWER RCDLR DATA TRANSMIT RCDLR GROUND 3 4 19 15 POS VOLT POS VOLT LOCK SIG UNLOCK SIG 4 1 UNLOCK CTRL LOCK CTRL 2 4 6 NETWORK BUS 3 AJAR SW SIG AJAR SW SIG 1 AMBIENT LIGHT/ SUNLOAD SENSOR (CENTER OF DASH) BLK WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRN WIRE BRN/LT GRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/VIO WIRE DK BLU/WHT WIRE DRIVER DOOR LATCH ASSEMBLY DRIVER WINDOW MOTOR (DRIVER'S DOOR) DRIVER WINDOW SWITCH FUSE GRN WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/LT GRN WIRE GRY/WHT WIRE HOOD AJAR SW SIG HOOD AJAR SWITCH (FRONT OF ENGINE COMPT) HOT AT ALL TIMES HVAC CONTROL MODULE INSTRUMENT PANEL FUSE BLOCK (LOWER LEFT SIDE OF DASH) FUSE INSTRUMENT PANEL MULTI-FUNCTION SWITCH 1 LOCK CTRL 2 LOCK RELAY CTRL NETWORK BUS 3 NETWORK BUS 4 PASSENGER DOOR LATCH ASSEMBLY PPL RCDLR DATA RECEIVE RED WIRE RED/VIO WIRE SECURITY IND CTRL STATUS CTRL UNLOCK SIG VIO/GRY WIRE VIO/YEL WIRE WHT/VIO WIRE YEL WIRE YEL/LT GRN WIRE

4 6 NETWORK BUS 3 AJAR SW SIG AJAR SW SIG ANT LO REF (2) ANT LO REF (5) ANT SIG (2) BLK WIRE BLK/BRN WIRE BLK/LT GRN WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM LOGIC DK BLU WIRE DK BLU/VIO WIRE DOOR HANDLE TOUCH SENSOR DR LK CTRL SW LK SIG ANT SIG (5) DRIVER DOOR HANDLE KEYLESS ENTRY ANTENNA DRIVER DOOR LATCH ASSEMBLY DRIVER EXTERIOR DOOR HANDLE ASSEMBLY DRIVER EXTERIOR DOOR HANDLE SWITCH DRIVER EXTERIOR DOOR HANDLE TOUCH SENSOR DRIVER INFORMATION CENTER DISPLAY SECURITY IND DRIVER WINDOW MOTOR (DRIVER'S DOOR) DRIVER WINDOW SWITCH GMLAN SERIAL DATA GRN WIRE GRN/YEL WIRE GRY WIRE GRY/DK BLU WIRE GRY/YEL WIRE INSTRUMENT CLUSTER KEYLESS ENTRY CONTROL MODULE (RIGHT KICK PANEL) LEFT REAR EXTERIOR DOOR HANDLE SWITCH LT GRN WIRE LT GRN/WHT WIRE NETWORK BUS 3 ORG/ WIRE PACK) PASS DR SW LK CTRL ANT SIG (1) ANT LO REF (1) PASSENGER DOOR HANDLE KEYLESS ENTRY ANTENNA PASSENGER EXTERIOR PASSENGER EXTERIOR DOOR HANDLE ASSEMBLY PASSENGER EXTERIOR DOOR HANDLE SWITCH PASSENGER WINDOW MOTOR (FRONT PASSENGER'S DOOR) PPL PPL PASS DR UNLATCH SW SIG DRV DR UNLATCH SW SIG REAR FASCIA KEYLESS ENTRY ANTENNA (BEHIND REAR BUMPER) RED WIRE RIGHT REAR EXTERIOR DOOR HANDLE SWITCH STATUS CTRL UNLOCK SIGNAL VIO/DK BLU WIRE VIO/GRY WIRE WHT WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/DK BLU WIRE YEL/VIO WIRE

18 12 RR STATUS SIG LR STATUS SIG 25 27 16 RCDLR POWER RCDLR DATA TRANSMIT RCDLR GROUND 3 4 19 15 POS VOLT POS VOLT LOCK SIG UNLOCK SIG 4 1 UNLOCK CTRL LOCK CTRL 2 4 6 NETWORK BUS 3 AJAR SW SIG AJAR SW SIG 1 AMBIENT LIGHT/ SUNLOAD SENSOR (CENTER OF DASH) BLK WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRN WIRE BRN/LT GRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/VIO WIRE DK BLU/WHT WIRE DRIVER DOOR LATCH ASSEMBLY DRIVER WINDOW MOTOR (DRIVER'S DOOR) DRIVER WINDOW SWITCH FUSE GRN WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/LT GRN WIRE GRY/WHT WIRE HOOD AJAR SW SIG HOOD AJAR SWITCH (FRONT OF ENGINE COMPT) HOT AT ALL TIMES HVAC CONTROL MODULE INSTRUMENT PANEL FUSE BLOCK (LOWER LEFT SIDE OF DASH) FUSE INSTRUMENT PANEL MULTI-FUNCTION SWITCH 1 LOCK CTRL 2 LOCK RELAY CTRL NETWORK BUS 3 NETWORK BUS 4 PASSENGER DOOR LATCH ASSEMBLY PPL RCDLR DATA RECEIVE RED WIRE RED/VIO WIRE SECURITY IND CTRL STATUS CTRL UNLOCK SIG VIO/GRY WIRE VIO/YEL WIRE WHT/VIO WIRE YEL WIRE YEL/LT GRN WIRE

4 6 NETWORK BUS 3 AJAR SW SIG AJAR SW SIG ANT LO REF (2) ANT LO REF (5) ANT SIG (2) BLK WIRE BLK/BRN WIRE BLK/LT GRN WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM LOGIC DK BLU WIRE DK BLU/VIO WIRE DOOR HANDLE TOUCH SENSOR DR LK CTRL SW LK SIG ANT SIG (5) DRIVER DOOR HANDLE KEYLESS ENTRY ANTENNA DRIVER DOOR LATCH ASSEMBLY DRIVER EXTERIOR DOOR HANDLE ASSEMBLY DRIVER EXTERIOR DOOR HANDLE SWITCH DRIVER EXTERIOR DOOR HANDLE TOUCH SENSOR DRIVER INFORMATION CENTER DISPLAY SECURITY IND DRIVER WINDOW MOTOR (DRIVER'S DOOR) DRIVER WINDOW SWITCH GMLAN SERIAL DATA GRN WIRE GRN/YEL WIRE GRY WIRE GRY/DK BLU WIRE GRY/YEL WIRE INSTRUMENT CLUSTER KEYLESS ENTRY CONTROL MODULE (RIGHT KICK PANEL) LEFT REAR EXTERIOR DOOR HANDLE SWITCH LT GRN WIRE LT GRN/WHT WIRE NETWORK BUS 3 ORG/ WIRE PACK) PASS DR SW LK CTRL ANT SIG (1) ANT LO REF (1) PASSENGER DOOR HANDLE KEYLESS ENTRY ANTENNA PASSENGER EXTERIOR PASSENGER EXTERIOR DOOR HANDLE ASSEMBLY PASSENGER EXTERIOR DOOR HANDLE SWITCH PASSENGER WINDOW MOTOR (FRONT PASSENGER'S DOOR) PPL PPL PASS DR UNLATCH SW SIG DRV DR UNLATCH SW SIG REAR FASCIA KEYLESS ENTRY ANTENNA (BEHIND REAR BUMPER) RED WIRE RIGHT REAR EXTERIOR DOOR HANDLE SWITCH STATUS CTRL UNLOCK SIGNAL VIO/DK BLU WIRE VIO/GRY WIRE WHT WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/DK BLU WIRE YEL/VIO WIRE

B(+) BLK WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRN/YEL WIRE BUS 4 COMPUTER DATA LINES SYSTEM DK BLU/GRY WIRE DK BLU/VIO WIRE DK GRN WIRE DOOR LOCKS SYSTEM DOWN DRIVER WINDOW MOTOR (DRIVER'S DOOR) EXPRESS FUSE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT REAR WINDOW MOTOR (LEFT REAR DOOR) LEFT REAR WINDOW SWITCH LF UP SIG LOCK OUT BUS 3 SWITCH LOGIC LOGIC DRIVER WINDOW SWITCH LR DOWN CTRL LR DR AJAR SW SIG LR UP CTRL LT GRN/BLK WIRE LT GRN/VIO WIRE LT GRN/WHT WIRE NETWORK BUS 3 NETWORK BUS 4 PASSENGER WINDOW MOTOR (FRONT PASSENGER'S DOOR) PASSENGER WINDOW SWITCH RED/DK BLU WIRE RED/VIO WIRE RED/WHT WIRE RF DOWN SIG RF DR AJAR SW SIG RF EXPRESS SIG RF UP SIG RIGHT FRONT WINDOW B+ SWITCH RIGHT REAR WINDOW MOTOR (RIGHT REAR DOOR) RIGHT REAR WINDOW SWITCH RR DOWN CTRL RR UP CTRL UNDERHOOD FUSE BLOCK (LEFT SIDE OF BATTERY) UNLCK SIG VIO/GRY WIRE W/ MEMORY W/O MEMORY WHT/VIO WIRE YEL/BLK WIRE YEL/BLU WIRE

AMPLIFIER CTRL AUDIO SIG (3) AUX DET SIG BATT POS VOLT BLK WIRE BLK/YEL WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRN/DK BLU WIRE BRN/VIO WIRE BRN/WHT WIRE CENTER AUDIO SIG CENTER SIG CGI - COMMON SIG COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CTRL SW SIG DK BLU WIRE DK BLU/BLK WIRE DK BLU/BRN WIRE DK BLU/GRY WIRE DK BLU/VIO WIRE DRAIN WIRE DRIVER SEATBACK VIDEO DISPLAY (W/ REAR SEAT ENTERTAINMENT) FRT LO LVL SIG (-) GM LAN SER DATA GMLAN SERIAL DATA GRN WIRE GRY WIRE GRY/DK GRN WIRE HEADLIGHTS SYSTEM LEFT AUDIO SIG LEFT AUX SIG (2) LF LO LVL SIG LOW LVL (-) LOW LVL SIG (-) LR LO LVL SIG LT GRN WIRE LT GRN/BLK WIRE LT GRN/DK BLU WIRE LT GRN/YEL WIRE NCA WIRE ORG/ WIRE PASSENGER SEATBACK VIDEO DISPLAY (W/ REAR SEAT ENTERTAINMENT) PPL RADIO RED WIRE REMOTE ENABLE RF LO LVL SIG RIGHT AUDIO SIG RIGHT SIG 2 RIGHT STEERING WHEEL CONTROLS SWITCH RR LO LVL SIG SEEK DOWN SEEK UP SOURCE STACK RESET SIG STEERING WHEEL AIR BAG COIL SW REF VOLT VIDEO SYSTEM CIRCUIT VIO WIRE VIO/DK BLU WIRE VOICE LOW REF VOICE MUTE VOICE SIG VOL (-) W/ REAR SEAT ENTERTAINMENT WHT WIRE WHT/BLK WIRE WHT/VIO WIRE YEL WIRE

4 8 SW REF VOLT CTRL SW SIG AUDIO SIG (3) AUX DET SIG BATT POS VOLT BLK WIRE BLK/YEL WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRN/DK BLU WIRE CENTER SIG CGI - COMMON SIG COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM DK BLU WIRE DK BLU/BLK WIRE DK BLU/WHT WIRE DRAIN WIRE FRT LO LVL SIG (-) GM LAN SER DATA GRN WIRE GRY WIRE GRY/DK GRN WIRE HEADLIGHTS SYSTEM INSTRUMENT PANEL CENTER SPEAKER LEFT AUDIO SIG LEFT AUX SIG (2) LEFT FRONT DOOR SPEAKER LEFT FRONT TWEETER SPEAKER LEFT REAR DOOR SPEAKER LF LO LVL SIG LO SPD GMLAN SERIAL DATA LR LO LVL SIG LT GRN WIRE LT GRN/BLK WIRE LT GRN/YEL WIRE MUTE NCA WIRE ORG/ WIRE PPL RADIO RED WIRE REMOTE ENABLE RF LO LVL SIG RIGHT AUDIO SIG RIGHT FRONT DOOR SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT REAR DOOR SPEAKER RIGHT SIG 2 RIGHT STEERING WHEEL CONTROLS SWITCH RR LO LVL SIG SEEK DOWN SEEK UP SOURCE STACK RESET SIG STEERING WHEEL AIR BAG COIL VIDEO SYSTEM CIRCUIT VIO WIRE VIO/DK BLU WIRE VOICE VOICE LOW REF VOICE SIG VOL (-) WHT WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE

1 25 26 12 DRAIN WIRE AUDIO SIG AUDIO SIG COMM SIG 34 37 35 36 PPL 5 4 VIDEO MODULE SIG VIDEO BRIGHT SIG 7 6 5 4 3 2 1 DRAIN WIRE AUX AUDIO LT SIG AUX AUDIO LT SIG AUDIO/VIDEO INPUT ADAPTER AUX VIDEO HI SIG BAT POS VOLT BATT POS VOLT BLK WIRE BLUNT CUT) BRIGHT SIG BRN WIRE BRN/WHT WIRE DK BLU WIRE DK BLU/GRY WIRE DK BLU/YEL WIRE DK GRN/WHT WIRE DRIVER SEATBACK VIDEO DISPLAY DVD VIDEO SIG (+) FUSE GRN/WHT WIRE GROUND GROUND PROVISION GRY/BRN WIRE GRY/YEL WIRE HOT AT ALL TIMES INFRARED RED AUDIO SIG WIRE LH DVD AUDIO SIG (+) LT BLU WIRE LT GRN WIRE LT GRN/DK BLU WIRE MODE 2 SIG NCA WIRE ORG/BLK WIRE ORG/BLU WIRE PASSENGER SEATBACK VIDEO DISPLAY PNK/BLK WIRE PPL DVD AUDIO COMMON PPL/RED WIRE RADIO RADIO CIRCUIT REAR BODY FUSE BLOCK (ON LEFT REAR RED/BRN WIRE RED/WHT WIRE REMOTE ENABLE REMOTE INFRARED SIG (-) REMOTE SIG RH AUDIO SIG RH DVD AUDIO SIG(+) RH INFRARED AUDIO SIG RT INFRARED AUDIO SIG VIDEO BRIGHT SIG VIDEO DRAIN WIRE VIDEO MODE 2 SIG VIDEO MODULE SIG VIDEO SIG 2 - VIO WIRE VIO/BLK WIRE VIO/DK BLU WIRE WHEELHOUSE) WHT WIRE WHT/BLK WIRE WHT/DK BLU WIRE WHT/GRY WIRE WHT/LT GRN WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE