Buick Regal V (2009-2013) horns system Wiring diagrams

10 11 12 13 14 15 INTERCONNECT NETWORK BUS 3 13 14 WINDSHIELD WIPER SW LOW SIG SHIFT SEL SW PERFORMANCE SIG 15 16 17 18 IGNITION 3 RLY CTRL RUN/CRANK RLY COIL CTRL 15 16 OFF/RUN/CRANK VOLTAGE 16 17 18 19 20 21 22 23 24 25 26 27 INTERCONNECT NETWORK BUS 1 18 19 20 21 22 23 24 25 HORN RELAY CONTROL HORN SWITCH SIGNAL 295 (OR 3271) 3 4 GROUND DOOR LOCK ACT UNLOCK CTRL 3 4 IMMOBILIZER SPLY VOLT LIGHTING CTRL SW REF 312 (OR 7539) 43 (OR 755) 5 6 REAR COMPT AJAR SW SIG (1) 5-VOLT REFERENCE 50 1650 (OR 3277) 6815 24 INTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM 6846 2268 1594 (OR 5199) 91 196 5075 7 8 9 10 11 12 ACCESSORY VOLTAGE 7 8 LED BACKLIGHT DIMMING CTRL INST PANEL LP DIMMING CTRL 712 (OR 7538) 1315 1335 7553 737 SHIFT INTERLOCK SYSTEM INTERIOR LIGHTS SYSTEM 781 156 DOOR LOCKS SYSTEM INTERIOR LIGHTS SYSTEM ACCESSORY VOLTAGE ACCESSORY VOLTAGE RAP RELAY COIL CONTROL ANTI-THEFT SYSTEM BATTERY BATTERY POSITIVE VOLTAGE BLK WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM ANTI-THEFT SYSTEM CURRENT SENSOR SPLY VOLT DOOR LCK ACT LCK CTRL 2 DOOR LOCK ACT LCK CTRL DOOR LOCK CONTROL (2) DOOR LOCKS SYSTEM DRV DR LOCK SW UNLOCK SIG COURTESY LAMP SWITCH SIGNAL DRV DR LOCK SWITCH LOCK SIG EARLY PRODUCTION LATE PRODUCTION ELECTRONIC SUSPENSION SYSTEM EXTERIOR LIGHTS SYSTEM WIPER/WASHER SYSTEM FUSE FUSE 32 GMLAN SERIAL DATA (-) (1) GMLAN SERIAL DATA (+) (1) GRN WIRE GRN/GRY WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GROUND GRY WIRE GRY/BLK WIRE GRY/VIO WIRE HAZARD SW RH TURN SIG WINDSHIELD WASHER SW SIG HDLP SW FLASH TO PASS SIG HEADLIGHTS SYSTEM HORNS SYSTEM HOT AT ALL TIMES INADVERTENT POWER CONTROL BACKUP LAMP SUPPLY VOLTAGE INTERCONNECT NETWORK BUS 11 INTERCONNECT NETWORK BUS 2 LED BACKLIGHT DIMMING CTRL LOGISTIC MODE RELAY OPEN CTRL LOGISTIC MODE RLY CLOSE CTRL LOW REFERENCE LOW SPEED GMLAN SERIAL DATA LR CHILD SECURITY LOCK MOTOR STATUS SIGNAL ORG/BLK WIRE PARK LOCK SOLENOID CONTROL TRUNK LAMP CONTROL POWER DISTRIBUTION SYSTEM REAR COMPT HANDLE SW OP SIG REAR LICENSE LAMP SPLY VOLT WINDSHIELD WASHER RLY CTRL RED/BLU WIRE RED/GRY WIRE RED/YEL WIRE RR CHILD SECURTY LCK MTR STATUS SIG RUN/CRANK IGNITION 1 VOLTAGE SPORT MODE SWITCH (SIGNAL) STARTING/CHARGING SYSTEM STOP LAMP RLY COIL SPLY VOLT TAN/WHT WIRE TRUNK, TAILGATE, FUEL DOORS SYSTEM UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VIO/BLK WIRE VIO/BLU WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE WINDSHIELD WIPER SW HI SIG WIPER MTR PARK SW SIG CURRENT SENSOR SIGNAL WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM ELECTRONIC SUSPENSION YEL WIRE YEL/BLU 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 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