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Wiring Diagrams Buick LaCrosse II (2009-2013)

35 systems 104 wiring diagrams 1903 components
Contents — 35 systems, 104 diagrams
Air conditioning
Anti-lock brakes
Anti-theft
Body control modules
Computer data lines
Cooling fan
Cruise control
Defoggers
Electronic power steering
Electronic suspension
Engine performance 2.4l vin c
Engine performance 3.6l vin d
Exterior lights
Ground distribution
Headlights
Horn
Instrument cluster
Interior lights
Memory systems
Navigation
Power distribution
Power door locks
Power mirrors
Power seats
Power top/sunroof
Power windows
Radio
Shift interlock
Starting/charging
Supplemental restraints
Transmission 2.4l vin c
Transmission 3.6l vin d
Trunk, tailgate, fuel door
Warning systems
Wiper/washer

Air conditioning

# Automatic a/c circuit

# Automatic a/c circuit (1 of 4)

Air conditioning — Automatic a/c circuit — Automatic a/c circuit (1 of 4). Buick LaCrosse II (2009-2013)
Components on the diagram

    # Automatic a/c circuit (2 of 4)

    Air conditioning — Automatic a/c circuit — Automatic a/c circuit (2 of 4). Buick LaCrosse II (2009-2013)
    Components on the diagram

      # Automatic a/c circuit (3 of 4)

      Air conditioning — Automatic a/c circuit — Automatic a/c circuit (3 of 4). Buick LaCrosse II (2009-2013)
      Components on the diagram

        # Automatic a/c circuit (4 of 4)

        Air conditioning — Automatic a/c circuit — Automatic a/c circuit (4 of 4). Buick LaCrosse II (2009-2013)
        Components on the diagram

          # Compressor circuit

          Air conditioning — Compressor circuit — Compressor circuit. Buick LaCrosse II (2009-2013)
          Components on the diagram

            Anti-lock brakes

            # Anti-lock brakes circuit

            Anti-lock brakes — Anti-lock brakes circuit — Anti-lock brakes circuit. Buick LaCrosse II (2009-2013)
            Components on the diagram

              Anti-theft

              # Forced entry circuit, with passive keyless entry

              # Forced entry circuit, with passive keyless entry (1 of 3)

              Anti-theft — Forced entry circuit, with passive keyless entry — Forced entry circuit, with passive keyless entry (1 of 3). Buick LaCrosse II (2009-2013)
              Components on the diagram

                # Forced entry circuit, with passive keyless entry (2 of 3)

                Anti-theft — Forced entry circuit, with passive keyless entry — Forced entry circuit, with passive keyless entry (2 of 3). Buick LaCrosse II (2009-2013)
                Components on the diagram

                  # Forced entry circuit, with passive keyless entry (3 of 3)

                  Anti-theft — Forced entry circuit, with passive keyless entry — Forced entry circuit, with passive keyless entry (3 of 3). Buick LaCrosse II (2009-2013)
                  Components on the diagram

                    # Forced entry circuit, without passive keyless entry

                    # Forced entry circuit, without passive keyless entry (1 of 2)

                    Anti-theft — Forced entry circuit, without passive keyless entry — Forced entry circuit, without passive keyless entry (1 of 2). Buick LaCrosse II (2009-2013)
                    Components on the diagram

                      # Forced entry circuit, without passive keyless entry (2 of 2)

                      Anti-theft — Forced entry circuit, without passive keyless entry — Forced entry circuit, without passive keyless entry (2 of 2). Buick LaCrosse II (2009-2013)
                      Components on the diagram

                        # Pass-key circuit

                        Anti-theft — Pass-key circuit — Pass-key circuit. Buick LaCrosse II (2009-2013)
                        Components on the diagram

                          Body control modules

                          # Body control modules circuit

                          # Body control modules circuit (1 of 2)

                          Body control modules — Body control modules circuit — Body control modules circuit (1 of 2). Buick LaCrosse II (2009-2013)
                          Components on the diagram

                            # Body control modules circuit (2 of 2)

                            Body control modules — Body control modules circuit — Body control modules circuit (2 of 2). Buick LaCrosse II (2009-2013)
                            Components on the diagram

                              Computer data lines

                              # Computer data lines circuit

                              # Computer data lines circuit (1 of 3)

                              Computer data lines — Computer data lines circuit — Computer data lines circuit (1 of 3). Buick LaCrosse II (2009-2013)
                              Components on the diagram

                                # Computer data lines circuit (2 of 3)

                                Computer data lines — Computer data lines circuit — Computer data lines circuit (2 of 3). Buick LaCrosse II (2009-2013)
                                Components on the diagram

                                  # Computer data lines circuit (3 of 3)

                                  Computer data lines — Computer data lines circuit — Computer data lines circuit (3 of 3). Buick LaCrosse II (2009-2013)
                                  Components on the diagram

                                    Cooling fan

                                    # Cooling fan circuit

                                    Cooling fan — Cooling fan circuit — Cooling fan circuit. Buick LaCrosse II (2009-2013)
                                    Components on the diagram

                                      Cruise control

                                      # Cruise control circuit

                                      Cruise control — Cruise control circuit — Cruise control circuit. Buick LaCrosse II (2009-2013)
                                      Components on the diagram

                                        Defoggers

                                        # Defoggers circuit

                                        Defoggers — Defoggers circuit — Defoggers circuit. Buick LaCrosse II (2009-2013)
                                        Components on the diagram

                                          Electronic power steering

                                          # Electronic power steering circuit, with variable effort

                                          Electronic power steering — Electronic power steering circuit, with variable effort — Electronic power steering circuit, with variable effort. Buick LaCrosse II (2009-2013)
                                          Components on the diagram

                                            # Electronic power steering circuit, without variable effort

                                            Electronic power steering — Electronic power steering circuit, without variable effort — Electronic power steering circuit, without variable effort. Buick LaCrosse II (2009-2013)
                                            Components on the diagram

                                              Electronic suspension

                                              # Electronic suspension circuit

                                              Electronic suspension — Electronic suspension circuit — Electronic suspension circuit. Buick LaCrosse II (2009-2013)
                                              Components on the diagram

                                                Engine performance 2.4l vin c

                                                # Wiring diagram engine performance 2.4l vin c

                                                # Wiring diagram engine performance 2.4l vin c (1 of 5)

                                                Engine performance 2.4l vin c — Wiring diagram engine performance 2.4l vin c — Wiring diagram engine performance 2.4l vin c (1 of 5). Buick LaCrosse II (2009-2013)
                                                Components on the diagram

                                                  # Wiring diagram engine performance 2.4l vin c (2 of 5)

                                                  Engine performance 2.4l vin c — Wiring diagram engine performance 2.4l vin c — Wiring diagram engine performance 2.4l vin c (2 of 5). Buick LaCrosse II (2009-2013)
                                                  Components on the diagram

                                                    # Wiring diagram engine performance 2.4l vin c (3 of 5)

                                                    Engine performance 2.4l vin c — Wiring diagram engine performance 2.4l vin c — Wiring diagram engine performance 2.4l vin c (3 of 5). Buick LaCrosse II (2009-2013)
                                                    Components on the diagram

                                                      # Wiring diagram engine performance 2.4l vin c (4 of 5)

                                                      Engine performance 2.4l vin c — Wiring diagram engine performance 2.4l vin c — Wiring diagram engine performance 2.4l vin c (4 of 5). Buick LaCrosse II (2009-2013)
                                                      Components on the diagram

                                                        # Wiring diagram engine performance 2.4l vin c (5 of 5)

                                                        Engine performance 2.4l vin c — Wiring diagram engine performance 2.4l vin c — Wiring diagram engine performance 2.4l vin c (5 of 5). Buick LaCrosse II (2009-2013)
                                                        Components on the diagram

                                                          Engine performance 3.6l vin d

                                                          # Wiring diagram engine performance 3.6l vin d

                                                          # Wiring diagram engine performance 3.6l vin d (1 of 6)

                                                          Engine performance 3.6l vin d — Wiring diagram engine performance 3.6l vin d — Wiring diagram engine performance 3.6l vin d (1 of 6). Buick LaCrosse II (2009-2013)
                                                          Components on the diagram

                                                            # Wiring diagram engine performance 3.6l vin d (2 of 6)

                                                            Engine performance 3.6l vin d — Wiring diagram engine performance 3.6l vin d — Wiring diagram engine performance 3.6l vin d (2 of 6). Buick LaCrosse II (2009-2013)
                                                            Components on the diagram

                                                              # Wiring diagram engine performance 3.6l vin d (3 of 6)

                                                              Engine performance 3.6l vin d — Wiring diagram engine performance 3.6l vin d — Wiring diagram engine performance 3.6l vin d (3 of 6). Buick LaCrosse II (2009-2013)
                                                              Components on the diagram

                                                                # Wiring diagram engine performance 3.6l vin d (4 of 6)

                                                                Engine performance 3.6l vin d — Wiring diagram engine performance 3.6l vin d — Wiring diagram engine performance 3.6l vin d (4 of 6). Buick LaCrosse II (2009-2013)
                                                                Components on the diagram

                                                                  # Wiring diagram engine performance 3.6l vin d (5 of 6)

                                                                  Engine performance 3.6l vin d — Wiring diagram engine performance 3.6l vin d — Wiring diagram engine performance 3.6l vin d (5 of 6). Buick LaCrosse II (2009-2013)
                                                                  Components on the diagram

                                                                    # Wiring diagram engine performance 3.6l vin d (6 of 6)

                                                                    Engine performance 3.6l vin d — Wiring diagram engine performance 3.6l vin d — Wiring diagram engine performance 3.6l vin d (6 of 6). Buick LaCrosse II (2009-2013)
                                                                    Components on the diagram

                                                                      Exterior lights

                                                                      # Backup lamps circuit

                                                                      Exterior lights — Backup lamps circuit — Backup lamps circuit. Buick LaCrosse II (2009-2013)
                                                                      Components on the diagram

                                                                        # Exterior lamps circuit

                                                                        # Exterior lamps circuit (1 of 2)

                                                                        Exterior lights — Exterior lamps circuit — Exterior lamps circuit (1 of 2). Buick LaCrosse II (2009-2013)
                                                                        Components on the diagram

                                                                          # Exterior lamps circuit (2 of 2)

                                                                          Exterior lights — Exterior lamps circuit — Exterior lamps circuit (2 of 2). Buick LaCrosse II (2009-2013)
                                                                          Components on the diagram

                                                                            Ground distribution

                                                                            # Ground distribution circuit

                                                                            # Ground distribution circuit (1 of 4)

                                                                            Ground distribution — Ground distribution circuit — Ground distribution circuit (1 of 4). Buick LaCrosse II (2009-2013)
                                                                            Components on the diagram

                                                                              # Ground distribution circuit (2 of 4)

                                                                              Ground distribution — Ground distribution circuit — Ground distribution circuit (2 of 4). Buick LaCrosse II (2009-2013)
                                                                              Components on the diagram

                                                                                # Ground distribution circuit (3 of 4)

                                                                                Ground distribution — Ground distribution circuit — Ground distribution circuit (3 of 4). Buick LaCrosse II (2009-2013)
                                                                                Components on the diagram

                                                                                  # Ground distribution circuit (4 of 4)

                                                                                  Ground distribution — Ground distribution circuit — Ground distribution circuit (4 of 4). Buick LaCrosse II (2009-2013)
                                                                                  Components on the diagram

                                                                                    Headlights

                                                                                    # Adaptive front lighting circuit

                                                                                    Headlights — Adaptive front lighting circuit — Adaptive front lighting circuit. Buick LaCrosse II (2009-2013)
                                                                                    Components on the diagram

                                                                                      # Headlamps circuit, with high intensity discharge

                                                                                      # Headlamps circuit, with high intensity discharge (1 of 2)

                                                                                      Headlights — Headlamps circuit, with high intensity discharge — Headlamps circuit, with high intensity discharge (1 of 2). Buick LaCrosse II (2009-2013)
                                                                                      Components on the diagram

                                                                                        # Headlamps circuit, with high intensity discharge (2 of 2)

                                                                                        Headlights — Headlamps circuit, with high intensity discharge — Headlamps circuit, with high intensity discharge (2 of 2). Buick LaCrosse II (2009-2013)
                                                                                        Components on the diagram

                                                                                          # Headlamps circuit, without high intensity discharge

                                                                                          Headlights — Headlamps circuit, without high intensity discharge — Headlamps circuit, without high intensity discharge. Buick LaCrosse II (2009-2013)
                                                                                          Components on the diagram

                                                                                            Horn

                                                                                            # Horn circuit

                                                                                            Horn — Horn circuit — Horn circuit. Buick LaCrosse II (2009-2013)
                                                                                            Components on the diagram

                                                                                              Instrument cluster

                                                                                              # Head-up display circuit

                                                                                              Instrument cluster — Head-up display circuit — Head-up display circuit. Buick LaCrosse II (2009-2013)
                                                                                              Components on the diagram

                                                                                                # Instrument cluster circuit

                                                                                                # Instrument cluster circuit (1 of 2)

                                                                                                Instrument cluster — Instrument cluster circuit — Instrument cluster circuit (1 of 2). Buick LaCrosse II (2009-2013)
                                                                                                Components on the diagram

                                                                                                  # Instrument cluster circuit (2 of 2)

                                                                                                  Instrument cluster — Instrument cluster circuit — Instrument cluster circuit (2 of 2). Buick LaCrosse II (2009-2013)
                                                                                                  Components on the diagram

                                                                                                    Interior lights

                                                                                                    # Courtesy lamps circuit

                                                                                                    # Courtesy lamps circuit (1 of 2)

                                                                                                    Interior lights — Courtesy lamps circuit — Courtesy lamps circuit (1 of 2). Buick LaCrosse II (2009-2013)
                                                                                                    Components on the diagram

                                                                                                      # Courtesy lamps circuit (2 of 2)

                                                                                                      Interior lights — Courtesy lamps circuit — Courtesy lamps circuit (2 of 2). Buick LaCrosse II (2009-2013)
                                                                                                      Components on the diagram

                                                                                                        # Instrument illumination circuit

                                                                                                        Interior lights — Instrument illumination circuit — Instrument illumination circuit. Buick LaCrosse II (2009-2013)
                                                                                                        Components on the diagram

                                                                                                          Memory systems

                                                                                                          # Memory mirrors circuit

                                                                                                          Memory systems — Memory mirrors circuit — Memory mirrors circuit. Buick LaCrosse II (2009-2013)
                                                                                                          Components on the diagram

                                                                                                            # Memory seat circuit

                                                                                                            Memory systems — Memory seat circuit — Memory seat circuit. Buick LaCrosse II (2009-2013)
                                                                                                            Components on the diagram

                                                                                                              Navigation

                                                                                                              # Blind spot monitoring circuit

                                                                                                              Navigation — Blind spot monitoring circuit — Blind spot monitoring circuit. Buick LaCrosse II (2009-2013)
                                                                                                              Components on the diagram

                                                                                                                # Parking assistant circuit, with spo accessory

                                                                                                                Navigation — Parking assistant circuit, with spo accessory — Parking assistant circuit, with spo accessory. Buick LaCrosse II (2009-2013)
                                                                                                                Components on the diagram

                                                                                                                  # Parking assistant circuit, without spo accessory

                                                                                                                  Navigation — Parking assistant circuit, without spo accessory — Parking assistant circuit, without spo accessory. Buick LaCrosse II (2009-2013)
                                                                                                                  Components on the diagram

                                                                                                                    # Rear view camera circuit

                                                                                                                    Navigation — Rear view camera circuit — Rear view camera circuit. Buick LaCrosse II (2009-2013)
                                                                                                                    Components on the diagram

                                                                                                                      Power distribution

                                                                                                                      # Power distribution circuit

                                                                                                                      # Power distribution circuit (1 of 5)

                                                                                                                      Power distribution — Power distribution circuit — Power distribution circuit (1 of 5). Buick LaCrosse II (2009-2013)
                                                                                                                      Components on the diagram

                                                                                                                        # Power distribution circuit (2 of 5)

                                                                                                                        Power distribution — Power distribution circuit — Power distribution circuit (2 of 5). Buick LaCrosse II (2009-2013)
                                                                                                                        Components on the diagram

                                                                                                                          # Power distribution circuit (3 of 5)

                                                                                                                          Power distribution — Power distribution circuit — Power distribution circuit (3 of 5). Buick LaCrosse II (2009-2013)
                                                                                                                          Components on the diagram

                                                                                                                            # Power distribution circuit (4 of 5)

                                                                                                                            Power distribution — Power distribution circuit — Power distribution circuit (4 of 5). Buick LaCrosse II (2009-2013)
                                                                                                                            Components on the diagram

                                                                                                                              # Power distribution circuit (5 of 5)

                                                                                                                              Power distribution — Power distribution circuit — Power distribution circuit (5 of 5). Buick LaCrosse II (2009-2013)
                                                                                                                              Components on the diagram

                                                                                                                                Power door locks

                                                                                                                                # Power door locks circuit, with passive keyless entry

                                                                                                                                # Power door locks circuit, with passive keyless entry (1 of 3)

                                                                                                                                Power door locks — Power door locks circuit, with passive keyless entry — Power door locks circuit, with passive keyless entry (1 of 3). Buick LaCrosse II (2009-2013)
                                                                                                                                Components on the diagram

                                                                                                                                  # Power door locks circuit, with passive keyless entry (2 of 3)

                                                                                                                                  Power door locks — Power door locks circuit, with passive keyless entry — Power door locks circuit, with passive keyless entry (2 of 3). Buick LaCrosse II (2009-2013)
                                                                                                                                  Components on the diagram

                                                                                                                                    # Power door locks circuit, with passive keyless entry (3 of 3)

                                                                                                                                    Power door locks — Power door locks circuit, with passive keyless entry — Power door locks circuit, with passive keyless entry (3 of 3). Buick LaCrosse II (2009-2013)
                                                                                                                                    Components on the diagram

                                                                                                                                      # Power door locks circuit, without passive keyless entry

                                                                                                                                      # Power door locks circuit, without passive keyless entry (1 of 2)

                                                                                                                                      Power door locks — Power door locks circuit, without passive keyless entry — Power door locks circuit, without passive keyless entry (1 of 2). Buick LaCrosse II (2009-2013)
                                                                                                                                      Components on the diagram

                                                                                                                                        # Power door locks circuit, without passive keyless entry (2 of 2)

                                                                                                                                        Power door locks — Power door locks circuit, without passive keyless entry — Power door locks circuit, without passive keyless entry (2 of 2). Buick LaCrosse II (2009-2013)
                                                                                                                                        Components on the diagram

                                                                                                                                          Power mirrors

                                                                                                                                          # Electrochromic mirror circuit

                                                                                                                                          Power mirrors — Electrochromic mirror circuit — Electrochromic mirror circuit. Buick LaCrosse II (2009-2013)
                                                                                                                                          Components on the diagram

                                                                                                                                            # Power mirrors circuit

                                                                                                                                            Power mirrors — Power mirrors circuit — Power mirrors circuit. Buick LaCrosse II (2009-2013)
                                                                                                                                            Components on the diagram

                                                                                                                                              Power seats

                                                                                                                                              # Driver power seat circuit

                                                                                                                                              Power seats — Driver power seat circuit — Driver power seat circuit. Buick LaCrosse II (2009-2013)
                                                                                                                                              Components on the diagram

                                                                                                                                                # Driver"s lumbar circuit

                                                                                                                                                Power seats — Driver"s lumbar circuit — Driver"s lumbar circuit. Buick LaCrosse II (2009-2013)
                                                                                                                                                Components on the diagram

                                                                                                                                                  # Heated seats circuit, with memory

                                                                                                                                                  Power seats — Heated seats circuit, with memory — Heated seats circuit, with memory. Buick LaCrosse II (2009-2013)
                                                                                                                                                  Components on the diagram

                                                                                                                                                    # Heated seats circuit, without memory

                                                                                                                                                    Power seats — Heated seats circuit, without memory — Heated seats circuit, without memory. Buick LaCrosse II (2009-2013)
                                                                                                                                                    Components on the diagram

                                                                                                                                                      # Heated steering wheel circuit

                                                                                                                                                      Power seats — Heated steering wheel circuit — Heated steering wheel circuit. Buick LaCrosse II (2009-2013)
                                                                                                                                                      Components on the diagram

                                                                                                                                                        # Passenger power seat circuit

                                                                                                                                                        Power seats — Passenger power seat circuit — Passenger power seat circuit. Buick LaCrosse II (2009-2013)
                                                                                                                                                        Components on the diagram

                                                                                                                                                          Power top/sunroof

                                                                                                                                                          # Power top/sunroof circuit

                                                                                                                                                          Power top/sunroof — Power top/sunroof circuit — Power top/sunroof circuit. Buick LaCrosse II (2009-2013)
                                                                                                                                                          Components on the diagram

                                                                                                                                                            Power windows

                                                                                                                                                            # Power windows circuit

                                                                                                                                                            Power windows — Power windows circuit — Power windows circuit. Buick LaCrosse II (2009-2013)
                                                                                                                                                            Components on the diagram

                                                                                                                                                              # Rear window sun shade circuit

                                                                                                                                                              Power windows — Rear window sun shade circuit — Rear window sun shade circuit. Buick LaCrosse II (2009-2013)
                                                                                                                                                              Components on the diagram

                                                                                                                                                                Radio

                                                                                                                                                                # Radio circuit, with amplifier

                                                                                                                                                                # Radio circuit, with amplifier (1 of 5)

                                                                                                                                                                Radio — Radio circuit, with amplifier — Radio circuit, with amplifier (1 of 5). Buick LaCrosse II (2009-2013)
                                                                                                                                                                Components on the diagram

                                                                                                                                                                  # Radio circuit, with amplifier (2 of 5)

                                                                                                                                                                  Radio — Radio circuit, with amplifier — Radio circuit, with amplifier (2 of 5). Buick LaCrosse II (2009-2013)
                                                                                                                                                                  Components on the diagram

                                                                                                                                                                    # Radio circuit, with amplifier (3 of 5)

                                                                                                                                                                    Radio — Radio circuit, with amplifier — Radio circuit, with amplifier (3 of 5). Buick LaCrosse II (2009-2013)
                                                                                                                                                                    Components on the diagram

                                                                                                                                                                      # Radio circuit, with amplifier (4 of 5)

                                                                                                                                                                      Radio — Radio circuit, with amplifier — Radio circuit, with amplifier (4 of 5). Buick LaCrosse II (2009-2013)
                                                                                                                                                                      Components on the diagram

                                                                                                                                                                        # Radio circuit, with amplifier (5 of 5)

                                                                                                                                                                        Radio — Radio circuit, with amplifier — Radio circuit, with amplifier (5 of 5). Buick LaCrosse II (2009-2013)
                                                                                                                                                                        Components on the diagram

                                                                                                                                                                          # Radio circuit, without amplifier

                                                                                                                                                                          # Radio circuit, without amplifier (1 of 4)

                                                                                                                                                                          Radio — Radio circuit, without amplifier — Radio circuit, without amplifier (1 of 4). Buick LaCrosse II (2009-2013)
                                                                                                                                                                          Components on the diagram

                                                                                                                                                                            # Radio circuit, without amplifier (2 of 4)

                                                                                                                                                                            Radio — Radio circuit, without amplifier — Radio circuit, without amplifier (2 of 4). Buick LaCrosse II (2009-2013)
                                                                                                                                                                            Components on the diagram

                                                                                                                                                                              # Radio circuit, without amplifier (3 of 4)

                                                                                                                                                                              Radio — Radio circuit, without amplifier — Radio circuit, without amplifier (3 of 4). Buick LaCrosse II (2009-2013)
                                                                                                                                                                              Components on the diagram

                                                                                                                                                                                # Radio circuit, without amplifier (4 of 4)

                                                                                                                                                                                Radio — Radio circuit, without amplifier — Radio circuit, without amplifier (4 of 4). Buick LaCrosse II (2009-2013)
                                                                                                                                                                                Components on the diagram

                                                                                                                                                                                  # Video system circuit

                                                                                                                                                                                  Radio — Video system circuit — Video system circuit. Buick LaCrosse II (2009-2013)
                                                                                                                                                                                  Components on the diagram

                                                                                                                                                                                    Shift interlock

                                                                                                                                                                                    # Ignition lock solenoid circuit

                                                                                                                                                                                    Shift interlock — Ignition lock solenoid circuit — Ignition lock solenoid circuit. Buick LaCrosse II (2009-2013)
                                                                                                                                                                                    Components on the diagram

                                                                                                                                                                                      # Park brake system circuit

                                                                                                                                                                                      Shift interlock — Park brake system circuit — Park brake system circuit. Buick LaCrosse II (2009-2013)
                                                                                                                                                                                      Components on the diagram

                                                                                                                                                                                        # Shift interlock circuit

                                                                                                                                                                                        Shift interlock — Shift interlock circuit — Shift interlock circuit. Buick LaCrosse II (2009-2013)
                                                                                                                                                                                        Components on the diagram

                                                                                                                                                                                          Starting/charging

                                                                                                                                                                                          # Charging circuit

                                                                                                                                                                                          Starting/charging — Charging circuit — Charging circuit. Buick LaCrosse II (2009-2013)
                                                                                                                                                                                          Components on the diagram

                                                                                                                                                                                            # Starting circuit

                                                                                                                                                                                            Starting/charging — Starting circuit — Starting circuit. Buick LaCrosse II (2009-2013)
                                                                                                                                                                                            Components on the diagram

                                                                                                                                                                                              Supplemental restraints

                                                                                                                                                                                              # Supplemental restraints circuit

                                                                                                                                                                                              # Supplemental restraints circuit (1 of 2)

                                                                                                                                                                                              Supplemental restraints — Supplemental restraints circuit — Supplemental restraints circuit (1 of 2). Buick LaCrosse II (2009-2013)
                                                                                                                                                                                              Components on the diagram

                                                                                                                                                                                                # Supplemental restraints circuit (2 of 2)

                                                                                                                                                                                                Supplemental restraints — Supplemental restraints circuit — Supplemental restraints circuit (2 of 2). Buick LaCrosse II (2009-2013)
                                                                                                                                                                                                Components on the diagram

                                                                                                                                                                                                  Transmission 2.4l vin c

                                                                                                                                                                                                  # 2.4l vin c, a/t circuit

                                                                                                                                                                                                  Transmission 2.4l vin c — 2.4l vin c, a/t circuit — 2.4l vin c, a/t circuit. Buick LaCrosse II (2009-2013)
                                                                                                                                                                                                  Components on the diagram

                                                                                                                                                                                                    # 2.4l vin c, rear differential lock circuit

                                                                                                                                                                                                    Transmission 2.4l vin c — 2.4l vin c, rear differential lock circuit — 2.4l vin c, rear differential lock circuit. Buick LaCrosse II (2009-2013)
                                                                                                                                                                                                    Components on the diagram

                                                                                                                                                                                                      Transmission 3.6l vin d

                                                                                                                                                                                                      # 3.6l vin d, a/t circuit

                                                                                                                                                                                                      Transmission 3.6l vin d — 3.6l vin d, a/t circuit — 3.6l vin d, a/t circuit. Buick LaCrosse II (2009-2013)
                                                                                                                                                                                                      Components on the diagram

                                                                                                                                                                                                        # 3.6l vin d, rear differential lock circuit

                                                                                                                                                                                                        Transmission 3.6l vin d — 3.6l vin d, rear differential lock circuit — 3.6l vin d, rear differential lock circuit. Buick LaCrosse II (2009-2013)
                                                                                                                                                                                                        Components on the diagram

                                                                                                                                                                                                          Trunk, tailgate, fuel door

                                                                                                                                                                                                          # Trunk release circuit

                                                                                                                                                                                                          Trunk, tailgate, fuel door — Trunk release circuit — Trunk release circuit. Buick LaCrosse II (2009-2013)
                                                                                                                                                                                                          Components on the diagram

                                                                                                                                                                                                            Warning systems

                                                                                                                                                                                                            # Warning systems circuit

                                                                                                                                                                                                            Warning systems — Warning systems circuit — Warning systems circuit. Buick LaCrosse II (2009-2013)
                                                                                                                                                                                                            Components on the diagram

                                                                                                                                                                                                              Wiper/washer

                                                                                                                                                                                                              # Wiper/washer circuit

                                                                                                                                                                                                              Wiper/washer — Wiper/washer circuit — Wiper/washer circuit. Buick LaCrosse II (2009-2013)
                                                                                                                                                                                                              Components on the diagram