Buick Regal V (2009-2013) instrument panel multifunction switch 1 Wiring diagrams

1 21 GND SECURITY INDICATOR CTRL 19 18 HORN RLY HI BEAM RLY 4 6 NETWORK 3 LF DR AJAR SW SIG ACTUATOR RECEIVE SIG REMOTE FUNCTION ACTUATOR SPLY VOLT REMOTE FUNCTION ACTUATOR TRANSMIT SIG AIR CONDITIONING SYSTEM AMBIENT LIGHT/ SUNLOAD SENSOR (CENTER OF DASH) BATT POSITIVE VOLT BLK WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BREAKOUT TO WINDOW MOTOR) BRN WIRE BRN/BLK WIRE BRN/DK GRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CHILD SECURITY CHILD SECURITY LK MTR STATUS SIG LH REAR CHILD SECURITY LK MTR STATUS SIG RH REAR CHILD SECURITY LK RLY CTRL COMPUTER DATA LINES SYSTEM DR LOCK ACTUATOR LOCK CTRL DR LOCK ACTUATOR LOCK CTRL 2 DR LOCK ACTUATOR UNLOCK CTRL DRIVER DOOR LATCH ASSEMBLY DRIVER INFORMATION CENTER (DIC) DISPLAY DRIVER WINDOW MOTOR (DRIVER'S DOOR) DRV DR LOCK MTR STS CTRL DRV DR LOCK SW LOCK SIG DRV DR LOCK SW UNLCK SIG FUEL DOOR LOCK ACTUATOR (RIGHT REAR WHEEL WELL NEAR FUEL DOOR) FUSE GMLAN SERIAL DATA GRN WIRE GRN/WHT WIRE GROUND GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/WHT WIRE HOOD AJAR SW SIG HOOD AJAR SWITCH (FRONT OF ENGINE COMPT) HORNS SYSTEM HEADLIGHTS SYSTEM HOT AT ALL TIMES HVAC CONTROL MODULE (BEHIND CENTER OF DASH, ON HVAC ASSEMBLY) INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK (LOWER LEFT SIDE OF DASH) INSTRUMENT PANEL MULTIFUNCTION SWITCH 1 LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LO SPD SERIAL DATA LOCK DISABLE RELAY LOGIC DRIVER WINDOW SWITCH LOGIC SECURITY IND LOW REF LR DOOR AJAR SW SIG LT BLU/WHT WIRE NETWORK 3 NETWORK BUS 4 PASSENGER COMPARTMENT) PASSENGER DOOR (FLOOR AT RIGHT "B" PILLAR, FURTHEST LATCH ASSEMBLY PASSENGER WINDOW MOTOR (FRONT PASSENGER'S DOOR) REAR COMPARTMENT LID LATCH (IN TRUNK LID) REAR COMPT AJAR SW SIG 1 REMOTE FUNCTION REMOTE FUNCTION ACTUATOR RTN RF DR AJAR SW SIG RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH RR DOOR AJAR SW SIG VIO/GRY WIRE VIO/YEL WIRE WHT/BLU WIRE WHT/VIO WIRE YEL/LT GRN WIRE

1 21 3 GND SECURITY INDICATOR CTRL BATT POSITIVE VOLT 4 6 NETWORK 3 LF DR AJAR SW SIG ACTUATOR RECEIVE SIG REMOTE FUNCTION ACTUATOR SPLY VOLT REMOTE FUNCTION ACTUATOR TRANSMIT SIG ACTUATOR TRANSMIT SIG REMOTE FUNCTION AIR CONDITIONING SYSTEM AMBIENT LIGHT/ SUNLOAD SENSOR (CENTER OF DASH) BLK WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/BLK WIRE BRN/DK GRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DR LOCK ACTUATOR LOCK CTRL DRIVER DOOR LATCH ASSEMBLY DRIVER INFORMATION CENTER (DIC) DISPLAY DRIVER WINDOW MOTOR (DRIVER'S DOOR) DRV DR LOCK MTR STS CTRL DRV DR LOCK SW LOCK SIG DRV DR LOCK SW UNLCK SIG FUEL DOOR LOCK ACTUATOR (RIGHT REAR WHEEL WELL NEAR FUEL DOOR) FUSE GMLAN SERIAL DATA GRN WIRE GRN/WHT WIRE GROUND GRY WIRE GRY/WHT WIRE HEADLIGHTS SYSTEM HI BEAM RLY HOOD AJAR SW SIG HORN RLY HORNS SYSTEM HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK (LOWER LEFT SIDE OF DASH) HVAC CONTROL MODULE (BEHIND CENTER OF DASH, ON HVAC ASSEMBLY) INSTRUMENT CLUSTER INSTRUMENT PANEL MULTIFUNCTION SWITCH 1 LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LO SPD SERIAL DATA LOGIC LOGIC DRIVER WINDOW SWITCH LOW REF LR DOOR AJAR SW SIG LT BLU/WHT WIRE NETWORK 3 NETWORK BUS 4 PASSENGER COMPARTMENT) PASSENGER DOOR LATCH ASSEMBLY PASSENGER WINDOW MOTOR (FRONT PASSENGER'S DOOR) REAR COMPARTMENT LID LATCH (IN TRUNK LID) REMOTE FUNCTION ACTUATOR RTN RF DR AJAR SW SIG RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH RR DOOR AJAR SW SIG SECURITY INDICATOR VIO/GRY WIRE WHT/RED WIRE WHT/VIO WIRE YEL/LT GRN WIRE

1 21 GND SECURITY INDICATOR CTRL 19 18 HORN RLY HI BEAM RLY 4 6 NETWORK 3 LF DR AJAR SW SIG ACTUATOR RECEIVE SIG REMOTE FUNCTION ACTUATOR SPLY VOLT REMOTE FUNCTION ACTUATOR TRANSMIT SIG AIR CONDITIONING SYSTEM AMBIENT LIGHT/ SUNLOAD SENSOR (CENTER OF DASH) BATT POSITIVE VOLT BLK WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BREAKOUT TO WINDOW MOTOR) BRN WIRE BRN/BLK WIRE BRN/DK GRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CHILD SECURITY CHILD SECURITY LK MTR STATUS SIG LH REAR CHILD SECURITY LK MTR STATUS SIG RH REAR CHILD SECURITY LK RLY CTRL COMPUTER DATA LINES SYSTEM DR LOCK ACTUATOR LOCK CTRL DR LOCK ACTUATOR LOCK CTRL 2 DR LOCK ACTUATOR UNLOCK CTRL DRIVER DOOR LATCH ASSEMBLY DRIVER INFORMATION CENTER (DIC) DISPLAY DRIVER WINDOW MOTOR (DRIVER'S DOOR) DRV DR LOCK MTR STS CTRL DRV DR LOCK SW LOCK SIG DRV DR LOCK SW UNLCK SIG FUEL DOOR LOCK ACTUATOR (RIGHT REAR WHEEL WELL NEAR FUEL DOOR) FUSE GMLAN SERIAL DATA GRN WIRE GRN/WHT WIRE GROUND GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/WHT WIRE HOOD AJAR SW SIG HOOD AJAR SWITCH (FRONT OF ENGINE COMPT) HORNS SYSTEM HEADLIGHTS SYSTEM HOT AT ALL TIMES HVAC CONTROL MODULE (BEHIND CENTER OF DASH, ON HVAC ASSEMBLY) INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK (LOWER LEFT SIDE OF DASH) INSTRUMENT PANEL MULTIFUNCTION SWITCH 1 LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LO SPD SERIAL DATA LOCK DISABLE RELAY LOGIC DRIVER WINDOW SWITCH LOGIC SECURITY IND LOW REF LR DOOR AJAR SW SIG LT BLU/WHT WIRE NETWORK 3 NETWORK BUS 4 PASSENGER COMPARTMENT) PASSENGER DOOR (FLOOR AT RIGHT "B" PILLAR, FURTHEST LATCH ASSEMBLY PASSENGER WINDOW MOTOR (FRONT PASSENGER'S DOOR) REAR COMPARTMENT LID LATCH (IN TRUNK LID) REAR COMPT AJAR SW SIG 1 REMOTE FUNCTION REMOTE FUNCTION ACTUATOR RTN RF DR AJAR SW SIG RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH RR DOOR AJAR SW SIG VIO/GRY WIRE VIO/YEL WIRE WHT/BLU WIRE WHT/VIO WIRE YEL/LT GRN WIRE

1 21 3 GND SECURITY INDICATOR CTRL BATT POSITIVE VOLT 4 6 NETWORK 3 LF DR AJAR SW SIG ACTUATOR RECEIVE SIG REMOTE FUNCTION ACTUATOR SPLY VOLT REMOTE FUNCTION ACTUATOR TRANSMIT SIG ACTUATOR TRANSMIT SIG REMOTE FUNCTION AIR CONDITIONING SYSTEM AMBIENT LIGHT/ SUNLOAD SENSOR (CENTER OF DASH) BLK WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/BLK WIRE BRN/DK GRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DR LOCK ACTUATOR LOCK CTRL DRIVER DOOR LATCH ASSEMBLY DRIVER INFORMATION CENTER (DIC) DISPLAY DRIVER WINDOW MOTOR (DRIVER'S DOOR) DRV DR LOCK MTR STS CTRL DRV DR LOCK SW LOCK SIG DRV DR LOCK SW UNLCK SIG FUEL DOOR LOCK ACTUATOR (RIGHT REAR WHEEL WELL NEAR FUEL DOOR) FUSE GMLAN SERIAL DATA GRN WIRE GRN/WHT WIRE GROUND GRY WIRE GRY/WHT WIRE HEADLIGHTS SYSTEM HI BEAM RLY HOOD AJAR SW SIG HORN RLY HORNS SYSTEM HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK (LOWER LEFT SIDE OF DASH) HVAC CONTROL MODULE (BEHIND CENTER OF DASH, ON HVAC ASSEMBLY) INSTRUMENT CLUSTER INSTRUMENT PANEL MULTIFUNCTION SWITCH 1 LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LO SPD SERIAL DATA LOGIC LOGIC DRIVER WINDOW SWITCH LOW REF LR DOOR AJAR SW SIG LT BLU/WHT WIRE NETWORK 3 NETWORK BUS 4 PASSENGER COMPARTMENT) PASSENGER DOOR LATCH ASSEMBLY PASSENGER WINDOW MOTOR (FRONT PASSENGER'S DOOR) REAR COMPARTMENT LID LATCH (IN TRUNK LID) REMOTE FUNCTION ACTUATOR RTN RF DR AJAR SW SIG RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH RR DOOR AJAR SW SIG SECURITY INDICATOR VIO/GRY WIRE WHT/RED WIRE WHT/VIO WIRE YEL/LT GRN WIRE

1 2 NETWORK BUS 4 RR DOOR AJAR SW SIG 2 1 LR DOOR AJAR SW SIG NETWORK BUS 4 4 6 NETWORK BUS 3 RF DOOR AJAR SW SIG 6 4 LF DOOR AJAR SW SIG NETWORK BUS 3 BLK WIRE BLK/ORG WIRE BLK/VIO WIRE BRAKE FLUID LEVEL SWITCH (ON BRAKE FLUID RESERVOIR) BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DRIVER DOOR LATCH ASSEMBLY DRIVER SEAT BELT BUCKLE DRIVER SEAT BELT SW SIG DRIVER SEAT BELT SWITCH DRIVER WINDOW MOTOR (DRIVER'S DOOR) FRONT PASSENGER WINDOW MOTOR (FRONT PASSENGER'S DOOR) GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (BELOW CENTER CONSOLE) INSTRUMENT PANEL MULTIFUNCTION SWITCH 1 LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LO REF LO SPD GMLAN SERIAL DATA NCA WIRE ORG/VIO WIRE PASS SEAT BELT IND PASSENGER DOOR LATCH ASSEMBLY PASSENGER SEAT BELT BUCKLE PASSENGER SEAT BELT IND PASSENGER SEAT BELT SW SIG PASSENGER SEAT BELT SWITCH RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH VIO/WHT WIRE