Buick Lucerne CXS 2007 - 2007 GENERAL MOTORS Lucerne

Buick Lucerne CXS 2007 - BUZZERS, RELAYS & TIMERS

Buick Lucerne CXS 2007 BUZZERS, RELAYS & TIMERS LOCATION

Component	Location
A/C (Relay R11)	In underhood fuse block. See Fig. 77.
AIR PUMP (Relay R9)	In underhood fuse block. See Fig. 77.
AIR/SOL (Relay R12)	In underhood fuse block. See Fig. 77.
COOL/FAN (Relay R2)	In underhood fuse block. See Fig. 77.
COOL/FAN 1 (Relay R1)	In underhood fuse block. See Fig. 77.
COOL/FAN 2 (Relay R7)	In underhood fuse block. See Fig. 77.
CRNK (Relay R3)	In underhood fuse block. See Fig. 77.
DR LCK (Relay R9)	In rear fuse block. See Fig. 78.
DR UNLATCH (Relay R8)	In rear fuse block. See Fig. 78.
DR UNLCK (Relay R10)	In rear fuse block. See Fig. 78.
ELC CMPRSR (Relay R15)	In rear fuse block. See Fig. 78.
FRT HVAC BLWR (Relay R5)	In rear fuse block. See Fig. 78.
FUEL/PUMP (Relay R7)	In rear fuse block. See Fig. 78.
OVRHD LAMPS (Relay R11)	In rear fuse block. See Fig. 78.
PRK LAMP (Relay R2)	In rear fuse block. See Fig. 78.
PWR/TRAIN (Relay R4)	In underhood fuse block. See Fig. 77.
RAP (Relay R1)	In rear fuse block. See Fig. 78.
REAR DEFOG (Relay R14)	In rear fuse block. See Fig. 78.
RT PRK LAMP (Relay R4)	In rear fuse block. See Fig. 78.
RUN/CRNK (Relay R6)	In underhood fuse block. See Fig. 77.
RUN (Relay R3)	In rear fuse block. See Fig. 78.
SPARE (Relay R5)	In underhood fuse block. See Fig. 77.
SPARE (Relay R13)	In rear fuse block. See Fig. 78.
STOP LAMPS (Relay R12)	In rear fuse block. See Fig. 78.
TRUNK RELSE (Relay R6)	In rear fuse block. See Fig. 78.
WPR HI (Relay R10)	In underhood fuse block. See Fig. 77.
WPR (Relay R8)	In underhood fuse block. See Fig. 77.

Buick Lucerne CXS 2007 - CIRCUIT PROTECTION DEVICES

Buick Lucerne CXS 2007 CIRCUIT PROTECTION DEVICES LOCATION

Component	Location
Fuse Block - Rear	Below left side of rear seat. See Fig. 34.
Fuse Block - Underhood	On right front of engine compartment, forward of strut tower. See Fig. 54.

Buick Lucerne CXS 2007 - CONTROL UNITS

Buick Lucerne CXS 2007 CONTROL UNITS LOCATION

Component	Location
Automatic Level Control Module (FE1, FE3, F41)	Forward of left rear tire, on lower control arm.
Blower Motor Control Module	Near blower motor. See Fig. 39.
Body Control Module (BCM)	Right of glove box. See Fig. 15.
Electronic Brake Control Module (EBCM)	Left front corner of engine compartment. See Fig. 1.
Electronic Suspension Control (ESC) Module	Behind right wheelwell. See Fig. 9.
Engine Control Module (ECM)	Left side of engine compartment. See Fig. 24.
Ignition Coil/Module 1, 3, 5 & 7	Top right side of engine. See Fig. 29.
Ignition Coil/Module 2	Top left side of engine. See Fig. 29.
Ignition Coil/Module 4, 6 & 8	Top left side of engine. See Fig. 28.
Ignition Control Module	At left front of engine, under ignition coils. See Fig. 23.
Inflatable Restraint I/P Module	Right side of dash. See Fig. 47.
Inflatable Restraint Passenger Presence System (PPS) Module	Under front passenger's seat. See Fig. 49.
Inflatable Restraint Roof Rail Module (Left)	Left roof rail. See Fig. 46.
Inflatable Restraint Roof Rail Module (Right)	Right roof rail. See Fig. 46.
Inflatable Restraint Sensing & Diagnostic Module (SDM)	Under center console.
Inflatable Restraint Side Impact Module (Left)	Left side of driver's seat back. See Fig. 50.
Inflatable Restraint Side Impact Module (Right)	Right side of front passenger's seat back. See Fig. 49.
Inflatable Restraint Steering Wheel Module	In steering wheel. See Fig. 47.
Memory Seat Module	On underside of driver's seat, on seat adjuster frame. See Fig. 50.
Object Alarm Module (UFR)	On right rear wheelwell. See Fig. 44.
Powertrain Control Module (PCM) (3.8L)	Left front of engine compartment, inside air cleaner housing.
Remote Control Door Lock Receiver (RCDLR)	Under center of rear package shelf. See Fig. 14.
Seat Back Ventilation Heat & Cool Module (Driver)	Right side of driver's seat back. See Fig. 50.
Seat Cushion Ventilation Heat & Cool Module (Driver)	Under right side of driver's seat. See Fig. 50.
Sunroof Control Module	Rear of sunroof opening. See Fig. 46.
Theft Deterrent Module (TDM)	In steering column. See Fig. 31.
Throttle Actuator Control (TAC) Module	On throttle body assembly. See Fig. 21.
Transmission Control Module (TCM) (4.6L)	Left rear of engine compartment.
Vehicle Communication Interface Module (VICM)	On right front of trunk, attached to seat back brace. See Fig. 14.
Windshield Heated Washer Fluid Module	Right side of firewall. See Fig. 52.

Buick Lucerne CXS 2007 - MOTORS

Buick Lucerne CXS 2007 MOTORS LOCATION

Component	Location
Air Temperature Actuator	Right side of HVAC module. See Fig. 39.
Air Temperature Actuator (Driver)	Left side of HVAC module. See Fig. 40.
Air Temperature Actuator (Front Passenger)	Right side of HVAC module. See Fig. 40.
Blower Motor	Behind right side of dash. See Fig. 39.
Cooling Fan (Left)	On left rear side of radiator. See Fig. 30.
Cooling Fan (Right)	On right rear side of radiator. See Fig. 30.
Door Latch Assembly (Driver)	Rear of driver's door. See Fig. 16.
Door Latch Assembly (Front Passenger)	Rear of front passenger's door. See Fig. 17.
Door Latch Assembly (Left Rear)	Rear of left rear door. See Fig. 18.
Door Latch Assembly (Right Rear)	Rear of right rear door. See Fig. 19.
Fuel Pump & Sender Assembly	Top of fuel tank. See Fig. 25.
Mode Actuator	On right side of HVAC module. See Fig. 39.
Outside Rear View Mirror (Driver)	In driver's door. See Fig. 16.
Outside Rear View Mirror (Front Passenger)	In front passenger's door. See Fig. 17.
Rear Compartment Lid Latch	Center rear of luggage compartment. See Fig. 12.
Recirculation Actuator	Behind right side of dash, right of blower motor. See Fig. 39.
Seat Adjuster Motor Assembly (Driver)	Below driver seat. See Fig. 50.
Seat Adjuster Motor Assembly (Front Passenger)	Below front passenger's seat. See Fig. 49.
Seat Lumbar Massage Motor (Driver)	In driver's seat back. See Fig. 50.
Seat Lumbar Motor (Driver)	In driver's seat back. See Fig. 50.
Seat Recline Motor (Driver)	In driver's seat back. See Fig. 50.
Secondary Air Injection (AIR) Pump (4.6L)	Lower left front of engine compartment.
Starter	Top rear of engine. See Fig. 28.
Starter Motor	Lower left rear of engine. See Fig. 23.
Sunroof Motor	Rear of sunroof opening. See Fig. 46.
Variable Effort Steering Actuator	Left rear of engine compartment. See Fig. 2.
Window Motor (Driver)	In driver's door. See Fig. 16.
Window Motor (Front Passenger)	In front passenger's door. See Fig. 17.
Window Motor (Left Rear)	In left rear door. See Fig. 18.
Window Motor (Right Rear)	In right rear door. See Fig. 19.
Windshield Washer Fluid Pump	Bottom of windshield washer fluid reservoir. See Fig. 52.
Windshield Wiper Motor	On left side of firewall. See Fig. 52.

Buick Lucerne CXS 2007 - SENDING UNITS & SENSORS

Buick Lucerne CXS 2007 SENDING UNITS & SENSORS LOCATION

Component	Location
Accelerator Pedal Position (APP) Sensor	Top of accelerator pedal assembly. See Fig. 4.
A/C Refrigerant Pressure Sensor	Near A/C compressor, on hose assembly. See Fig. 38.
Air Temperature Sensor (Inside)	Under left side of dash, left of steering column. See Fig. 3.
Ambient Air Temperature Sensor	On center front of engine compartment, on hood latch brace.
Automatic Transmission Fluid Temperature (TFT) Sensor	In transmission. See Fig. 11.
Automatic Transmission Input Shaft Speed (A/T ISS) Sensor Assembly	In transmission. See Fig. 10.
Automatic Transmission Input (Shaft) Speed Sensor (ISS)	In transmission. See Fig. 11.
Battery Current Sensor	Below right side of rear seat. See Fig. 34.
Brake Pedal Position Sensor	Top of brake pedal assembly. See Fig. 4.
Camshaft Position (CMP) Sensor (3.8L)	On right front of engine. See Fig. 21.
Camshaft Position (CMP) Sensor (4.6L)	On right front of engine. See Fig. 29.
Crankshaft Position (CKP) Sensor (3.8L)	On left front of engine, next to crankshaft balancer. See Fig. 21.
Crankshaft Position (CKP) Sensor (4.6L)	Top center of engine. See Fig. 29.
Engine Coolant Temperature (ECT) Sensor (3.8L)	Left rear of engine. See Fig. 23.
Engine Coolant Temperature (ECT) Sensor (4.6L)	Right rear of engine. See Fig. 26.
Engine Oil Pressure (EOP) Sensor (3.8L)	Near oil filter. See Fig. 21.
EVAP Temperature Sensor	Left of blower motor. See Fig. 39.
Fuel Tank Pressure (FTP) Sensor	On top of fuel tank.
Fuel Tank Pressure (FTP) Sensor Connector	On fuel pump & sender assembly. See Fig. 25.
Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1	On right exhaust manifold. See Fig. 26.
Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1	In left exhaust manifold. See Fig. 27.
Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2	On exhaust system, rear of catalytic converter. See Fig. 26.
Heated Oxygen Sensor (HO2S) 1	On right exhaust manifold. See Fig. 22.
Heated Oxygen Sensor (HO2S) 2 (3.8L)	Under vehicle, after catalytic converter.
Heated Oxygen Sensor (HO2S) 2 (4.6L)	In exhaust, after catalytic converter.
Inflatable Restraint Front End Sensor (Left)	Left front of engine compartment. See Fig. 30.
Inflatable Restraint Front End Sensor (Right)	Right front of engine compartment. See Fig. 30.
Inflatable Restraint Passenger Presence System (PPS) Sensor	Under right side of front passenger's seat. See Fig. 49.
Inflatable Restraint Passenger Seat Belt Tension Retractor Sensor (Left/Right)	Bottom of respective "B" pillar. See Fig. 48.
Inflatable Restraint Seat Position Sensor (SPS) (Right)	On front passenger's seat left seat rail. See Fig. 49.
Inflatable Restraint Side Impact Sensor (Left/Right)	Base of respective "B" pillar. See Fig. 46.
Knock Sensor (KS) 1 (3.8L)	On left side of engine, near starter. See Fig. 23.
Knock Sensor (KS) 1 (4.6L)	Top right side of engine. See Fig. 29.
Knock Sensor (KS) 2 (3.8L)	On right side of engine, below exhaust manifold. See Fig. 22.
Knock Sensor (KS) 2 (4.6L)	Top left side of engine. See Fig. 28.
Manifold Absolute Pressure (MAP) Sensor (3.8L)	On top front of engine. See Fig. 21.
Manifold Absolute Pressure (MAP) Sensor (4.6L)	On top rear of engine. See Fig. 28.
Mass Airflow (MAF)/Intake Air Temperature (IAT) Sensor	Left side of engine compartment, in air intake tube.
Object Alarm Sensor (Left Rear Corner)	On left corner of rear bumper fascia. See Fig. 37.
Object Alarm Sensor (Left Rear Middle)	On left middle of rear bumper fascia. See Fig. 37.
Object Alarm Sensor (Right Rear Corner)	On right corner of rear bumper fascia. See Fig. 37.
Object Alarm Sensor (Right Rear Middle)	On right middle of rear bumper fascia. See Fig. 37.
Outside Moisture Sensor	Above rearview mirror on windshield. See Fig. 53.
Steering Angle Sensor	Base of steering column. See Fig. 31.
Sunload Twilight Sensor	Top center of dash. See Fig. 3.
Suspension Position Sensor (Left Front)	On shock absorber assembly. See Fig. 20.
Suspension Position Sensor (Left Rear)	On left rear frame rail. See Fig. 8.
Suspension Position Sensor (Right Front)	On shock absorber assembly. See Fig. 20.
Suspension Position Sensor (Right Rear)	On right rear frame rail. See Fig. 8.
Transmission Fluid Temperature (TFT) Sensor	In transmission. See Fig. 10.
Vehicle Speed Sensor (VSS)	In transmission. See Fig. 11.
Vehicle Speed Sensor (VSS) Assembly	In lower right rear of engine compartment, on transaxle. See Fig. 10.
Wheel Speed Sensor (WSS) (Left Front)	On left front brake assembly, on back of hub. See Fig. 6.
Wheel Speed Sensor (WSS) (Left Rear)	On left rear brake assembly, on back of hub. See Fig. 7.
Wheel Speed Sensor (WSS) (Right Front)	On right front brake assembly, on back of hub. See Fig. 6.
Wheel Speed Sensor (WSS) (Right Rear)	On right rear brake assembly, on back of hub. See Fig. 7.
Yaw & Lateral Acceleration Sensor	On floor pan, left of center console. See Fig. 5.

Buick Lucerne CXS 2007 - SOLENOIDS & SOLENOID VALVES

Buick Lucerne CXS 2007 SOLENOIDS & SOLENOID VALVES LOCATION

Component	Location
A/C Compressor Clutch	On A/C compressor. See Fig. 32.
A/T Shift Lock Control Solenoid	Base of floor shifter assembly. See Fig. 45.
Evaporative Emission (EVAP) Canister Vent Solenoid Valve	Below rear of vehicle, on EVAP canister. See Fig. 25.
Evaporative Emissions (EVAP) Canister Purge Solenoid Valve	On top right rear of engine. See Fig. 22.
Exhaust Gas Recirculation (EGR) Valve (3.8L)	On top right rear of engine. See Fig. 22.
Exhaust Gas Recirculation (EGR) Valve (4.6L)	On top right rear of engine. See Fig. 55.
Fuel Injectors 1, 3 & 5 (3.8L)	Top left side of engine. See Fig. 23.
Fuel Injectors 1, 3, 5 & 7 (4.6L)	Top right side of engine. See Fig. 29.
Fuel Injectors 2, 4 & 6 (3.8L)	Top right side of engine. See Fig. 22.
Fuel Injectors 4, 6 & 8 (4.6L)	Top left side of engine. See Fig. 28.
Fuel Injector 2 (4.6L)	Top left side of engine. See Fig. 29.
Pressure Control (PC) Solenoid Valve Assembly	In transmission. See Fig. 10.
Pressure Control Solenoid (PCS) Valve	In transmission. See Fig. 11.
Reverse Lockout Solenoid	Base of floor shifter assembly. See Fig. 45.
Secondary Air Injection (AIR) Check Valve (4.6L)	Top center of rear camshaft cover.
Starter Solenoid (3.8L)	Lower left rear of engine. See Fig. 23.
Torque Converter Clutch Pulse Width Modulation (TCC PWM) Solenoid Valve Assembly	Inside transmission. See Fig. 10.
Torque Converter Clutch (TCC) Solenoid Valve	In transmission. See Fig. 11.
1-2 & 2-3 Shift Solenoid (1-2 SS) (2-3 SS) Valves	In transmission. See Fig. 11.
1-2, 3-4 Shift Solenoid (SS) Valve Assembly	In transmission. See Fig. 10.
2-3 Shift Solenoid (SS) Valve Assembly	In transmission. See Fig. 10.

Buick Lucerne CXS 2007 - SWITCHES

Buick Lucerne CXS 2007 SWITCHES LOCATION

Component	Location
Brake Fluid Level Switch	On master cylinder reservoir. See Fig. 1.
Engine Oil Level Switch (3.8L)	Left side of oil pan. See Fig. 23.
Engine Oil Level Switch (4.6L)	Left side of oil pan. See Fig. 33.
Engine Oil Pressure (EOP) Switch	Near oil filter. See Fig. 27.
Hood Ajar Switch	Center front of engine compartment. See Fig. 42.
Internal Mode Switch (IMS)	In transmission. See Fig. 11.
Lever Assembly-Manual Shaft Detent With Shift Position Switch - Internal Mode Switch (IMS)	In transmission. See Fig. 10.
Park Brake Switch	On top of park brake assembly. See Fig. 4.
Seat Belt Switch Connector (Driver)	In left front seat buckle assembly. See Fig. 51.
Transmission Fluid Pressure (TFP) Manual Valve Position Switch Assembly	In transmission. See Fig. 10.
Windshield Washer Fluid Level Switch	Bottom of windshield washer fluid reservoir. See Fig. 52.

Buick Lucerne CXS 2007 - MISCELLANEOUS

Buick Lucerne CXS 2007 MISCELLANEOUS LOCATION

Component	Location
Amplifier	Mounted to left rear of rear seat. See Fig. 14.
Automatic Level Control (ALC) Compressor	Rear underside of vehicle. See Fig. 8.
Battery	Below rear seat. See Fig. 34.
Battery Negative Ground	Bolted to left side of engine block. See Fig. 33.
Cellular Microphone	In overhead console. See Fig. 13.
Cellular Navigation & Digital Radio Antenna	Center rear of roof. See Fig. 37.
Data Link Connector (DLC)	Under left side of dash. See Fig. 3.
Digital Radio Receiver (DRR)	At left "D" pillar. See Fig. 36.
Engine Coolant Heater	Left side of engine. See Fig. 32.
Garage Door Opener Transmitter	In overhead console. See Fig. 13.
Generator (3.8L)	Top right front of engine. See Fig. 32.
Generator (4.6L)	Top left front of engine. See Fig. 33.
Global Positioning System (GPS) Antenna	Under top center of dash. See Fig. 43.
Horn Assembly	Left front of engine compartment. See Fig. 41.
Inflatable Restraint Steering Wheel Module Coil	Top of steering column. See Fig. 31.
Noise Compensation Microphone	In overhead console. See Fig. 13.
Radio Antenna Module	At right "D" pillar. See Fig. 35.
Rear Window Antenna	At right "D" pillar. See Fig. 35.
Roof Rail Airbag (Left	Left center of roof. See Fig. 46.
Roof Rail Airbag (Right)	Right center of roof. See Fig. 46.
Suspension Damper (Left Front)	On left front shock absorber assembly. See Fig. 20.
Suspension Damper (Left Rear)	On left rear shock absorber assembly. See Fig. 8.
Suspension Damper (Right Front)	On right front shock absorber assembly. See Fig. 20.
Suspension Damper (Right Rear)	On right rear shock absorber assembly. See Fig. 8.

Buick Lucerne CXS 2007 - CONNECTORS

Buick Lucerne CXS 2007 CONNECTORS LOCATION

Component	Location
C100 (Dark Gray, 4 Pin)	Left rear of engine compartment. See Fig. 66.
C108 (Black, 1 Pin)	Rear of engine compartment.
C109 (Black, 2 Pin)	Left front corner of engine.
C110 (Black, 8 Pin)	Right front of engine.
C111 (Black, 38 Pin)	Left rear of engine compartment. See Fig. 66.
C113 (Black, 6 Pin)	Left front corner of vehicle. See Fig. 61.
C114 (Black, 6 Pin)	Right front corner of vehicle. See Fig. 61.
C120 (Black, 10 Pin)	Right front corner of vehicle. See Fig. 61.
C121 (Black, 12 Pin)	Near front of vehicle.
C124 (Black, 1 Pin)	Under right rear seat. See Fig. 67.
C138 (Black, 10 Pin)	Rear of engine. See Fig. 64.
C139 (Black, 7 Pin)	Top left rear of engine. See Fig. 62.
C140 (Black, 7 Pin)	Top right front of engine. See Fig. 64.
C161 (Dark Gray, 2 Pin)	Rear of engine. See Fig. 64.
C200 (Black, 43 Pin)	Behind right end of dash. See Fig. 65.
C201 (Black, 43 Pin)	Behind right end of dash. See Fig. 65.
C202 (Brown, 16 Pin)	Under front of floor console. See Fig. 67.
C203 (Black, 40 Pin)	Behind center of dash. See Fig. 65.
C205 (Light Gray, 40 Pin)	Under center of dash. See Fig. 67.
C206 (White, 6 Pin)	Behind right side of dash. See Fig. 67.
C207 (Yellow, 4 Pin)	At base of steering column.
C208 (Gray, 6 Pin)	Behind right end of dash. See Fig. 65.
C219 (Black, 3 Pin)	Behind center of dash. See Fig. 65.
C300 (14 Pin)	Left kick panel.
C301 (14 Pin)	Right kick panel. See Fig. 67.
C304 (Yellow, 2 Pin)	In roof headliner.
C305 (Yellow, 2 Pin)	In roof headliner.
C308 (Gray, 4 Pin)	At rear underside of vehicle.
C309 (Black, 7 Pin)	Near fuel tank.
C311 (2 Pin)	Left side of passenger compartment.
C312 (Yellow, 2 Pin)	Right side of passenger compartment.
C314 (Black, 43 Pin)	Under front passenger's seat. See Fig. 67.
C315 (Black, 43 Pin)	Under driver's seat.
C316 (Yellow, 4 Pin)	Under front of floor console. See Fig. 67.
C321 (Black, 38 Pin)	Left side of luggage compartment. See Fig. 68.
C325 (Gray, 30 Pin)	Right kick panel. See Fig. 67.
C326 (Black, 30 Pin)	Right kick panel. See Fig. 67.
C328 (Black/Natural, 34 Pin)	Left rear of passenger compartment.
C330 (Black/Natural, 34 Pin)	Right rear of passenger compartment.
C340 (Black, 14 Pin)	Under front of floor console. See Fig. 67.
C341 (Black, 14 Pin)	Lower front of center console.
C397 (Light Gray, 3 Pin)	Top of right rear wheelwell. See Fig. 68.
C399 (Light Gray, 10 Pin)	Top of right "C" pillar.
C445 (Black, 18 Pin)	Top of left rear wheelwell. See Fig. 68.
C492 (Gray, 3 Pin)	Right rear of luggage compartment. See Fig. 68.
C493 (Gray, 3 Pin)	Left rear of luggage compartment. See Fig. 68.
C494 (Black, 10 Pin)	Behind right side of rear bumper. See Fig. 76.
C495 (Black, 2 Pin)	Rear of vehicle.
C497 (Light Gray, 6 Pin)	In luggage compartment.
C498 (Gray, 4 Pin)	Left rear corner of vehicle. See Fig. 68.
C499 (Gray, 4 Pin)	Right rear of luggage compartment. See Fig. 68.
C501 (Black, 38 Pin)	In driver's door. See Fig. 69.
C601 (Black, 38 Pin)	In front passenger's door. See Fig. 70.
C700 (Black, 12 Pin)	In left rear door. See Fig. 71.
C800 (Black, 12 Pin)	In right rear door. See Fig. 72.

Buick Lucerne CXS 2007 - GROUNDS

Buick Lucerne CXS 2007 GROUNDS LOCATION

Component	Location
G100	Below exhaust gas recirculation (EGR) valve. See Fig. 55.
G101	Left front corner of engine compartment. See Fig. 56.
G104	Right front corner of engine compartment. See Fig. 54.
G110	Ground strap to generator.
G111	In engine compartment, ground strap to right frame rail.
G112	Lower left rear of engine. See Fig. 57.
G114	Lower left rear of engine. See Fig. 57.
G115	Lower left rear of engine. See Fig. 57.
G300	Under driver's seat. See Fig. 60.
G301	Under left rear seat.
G302	Under right front passenger's seat. See Fig. 60.
G303	Below right side of rear seat. See Fig. 34.
G304	Under right front passenger's seat. See Fig. 60.
G305	Under driver's seat. See Fig. 60.
G306	At left "C" pillar. See Fig. 58.
G307	At right "C" pillar. See Fig. 59.
G402	Left rear of luggage compartment. See Fig. 68.
G403	Right front wall of luggage compartment. See Fig. 59.

Buick Lucerne CXS 2007 - SPLICES

Buick Lucerne CXS 2007 SPLICES LOCATION

Component	Location
SP100	In front of engine compartment.
SP300	In passenger compartment under rear seat near rear fuse block. See Fig. 34.
S100	In engine harness, approximately 80 cm (31 in) from underhood fuse block connector C3. See Fig. 62.
S102	In engine harness, approximately 7 cm (4 in) from branch for C139 toward breakout for C138. See Fig. 64.
S104	In engine harness, approximately 13 cm (5 in) from breakout for C138.
S105	In engine harness, approximately 14 cm (6 in) from branch for throttle body assembly. See Fig. 62.
S106	In engine harness, approximately 7 cm (3 in) from branch for throttle body assembly. See Fig. 62.
S107	In forward lamp harness, approximately 8 cm (4 in) from branch for distance sensing cruise control module.
S108	In engine harness, approximately 10 cm (4 in) from breakout for automatic transmission.
S109	In engine harness, approximately 3 cm (1 in) from branch for C139.
S110	In engine harness, approximately 6 cm (2 in) from branch for engine coolant temperature (ECT) sensor. See Fig. 64.
S111	In engine harness, approximately 41 cm (16 in) from underhood fuse block connector C3. See Fig. 62.
S113	In engine harness, approximately 53 cm (21 in) from left front wheel speed sensor. See Fig. 63.
S114	In engine harness, approximately 47 cm (19 in) from right front wheel speed sensor. See Fig. 63.
S115	In engine harness, approximately 59 cm (24 in) from left front wheel speed sensor. See Fig. 64.
S116	In engine harness, approximately 53 cm (21 in) from right front wheel speed sensor. See Fig. 64.
S122	In forward lamp harness, approximately 7 cm (3 in) from breakout for horn assembly.
S123	In forward lamp harness, approximately 36 cm (14 in) from C114.
S124	In forward lamp harness, approximately 26 cm (11 in) from C114. See Fig. 61.
S125	In forward lamp harness, approximately 8 cm (4 in) from breakout for C120. See Fig. 61.
S126	In body harness, approximately 60 cm (24 in) from left front strut actuator. See Fig. 66.
S127	In body harness, approximately 65 cm (25 in) from left front strut actuator.
S128	In body harness, approximately 60 cm (24 in) from right front strut actuator. See Fig. 66.
S129	In body harness, approximately 65 cm (25 in) from right front strut actuator. See Fig. 66.
S131	In even bank ignition coil harness, between C139 & Ignition Coil/Module 8.
S133	In even bank ignition coil harness, between C139 & Ignition Coil/Module 2.
S135	In even bank ignition coil harness, between C139 & Ignition Coil/Module 8.
S142	In odd bank ignition coil harness, between C140 & Ignition Coil/Module 7.
S146	In odd bank ignition coil harness, between C140 & Ignition Coil/Module 7.
S200	In I/P harness, approximately 6 cm (2 in) from branch for HVAC module. See Fig. 65.
S201	In steering column harness, between C203 & ignition switch connector.
S202	In I/P harness, approximately 7 cm (3 in) from branch for hazard lamp switch. See Fig. 65.
S203	In I/P harness, approximately 36 cm (14 in) from breakout for HVAC module. See Fig. 65.
S204	In steering column harness, between C205 & turn signal/multifunction switch connector C4.
S205	In HVAC harness, between C206 & blower motor control module.
S206	In I/P harness, approximately 10 cm (4 in) from breakout for I/P compartment lamp. See Fig. 65.
S207	In I/P harness, approximately 17 cm (7 in) from data link connector. See Fig. 65.
S208	In I/P harness, approximately 12 cm (5 in) from data link connector. See Fig. 65.
S209	In HVAC harness between C206 & blower motor control module.
S210	In I/P harness, approximately 41 cm (16 in) from branch for hazard lamp switch. See Fig. 65.
S211	In I/P harness, approximately 28 cm (11 in) from breakout for body control module connector. See Fig. 65.
S212	In I/P harness, approximately 21 cm (8 in) from branch for hazard lamp switch toward branch for HVAC module. See Fig. 65.
S213	In I/P harness, approximately 13 cm (5 in) from breakout for HVAC module. See Fig. 65.
S214	In I/P harness, approximately 17 cm (6 in) from breakout for body control module connector.
S219	In steering column harness, between horn switch & inflatable restraint steering wheel module coil.
S220	In steering column harness, between cruise control on/off switch & inflatable restraint steering wheel module coil.
S221	In ashtray harness, approximately 8 cm (3 in) from breakout for cigar lighter.
S222	In I/P harness, approximately 15 cm (6 in) from C201.
S223	In I/P harness, approximately 15 cm (6 in) from breakout for radio coax connector.
S224	Inside of heated steering wheel.
S225	Inside of heated steering wheel.
S226	In HVAC harness, between HVAC control module & mode motors.
S227	In HVAC harness, between evaporator temperature sensor & C202.
S228	In HVAC harness, between auxiliary blower motor control module & auxiliary blower motor.
S229	In IP harness, between C201 & C202. See Fig. 65.
S301	In body harness, approximately 14 cm (6 in) from breakout for yaw & lateral acceleration sensor.
S302	In body harness, approximately 19 cm (8 in) from breakout for G301. See Fig. 67.
S303	In body harness, between rear fuse block & video display.
S305	In left front seat harness, approximately 8 cm (4 in) from breakout for inflatable restraint seat position sensor. See Fig. 73.
S306	In right front seat harness, approximately 7 cm (3 in) from breakout for passenger seat belt switch. See Fig. 74.
S307	In center console harness, approximately 6 cm (2 in) from breakout for A/T shift lock control solenoid.
S312	In headliner harness, approximately 10 cm (4 in) from branch for C321. See Fig. 75.
S314	In body harness, approximately 9 cm (4 in) from breakout for G301.
S315	In center console harness, approximately 10 cm (4 in) from breakout for A/T shift lock control solenoid.
S316	In body harness, approximately 5 cm (2 in) from breakout for electronic suspension control module. See Fig. 68.
S317	In body harness, approximately 64 cm (26 in) from branch for battery current sensor. See Fig. 68.
S322	In right front seat harness, approximately 7 cm (3 in) from breakout for passenger seat adjuster switch toward C314.
S323	In body harness, approximately 15 cm (6 in) from branch for rear fuse block. See Fig. 68.
S324	In body harness, approximately 5 cm (2 in) from breakout for right inflatable restraint roof rail module. See Fig. 68.
S325	In body harness, approximately 7 cm (3 in) from breakout for battery current sensor.
S326	In body harness, approximately 12 cm (5 in) from breakout for battery current sensor.
S328	In headliner harness, approximately 20 cm (8 in) from branch for C321. See Fig. 75.
S329	In body harness, approximately 14 cm (6 in) from breakout for C325.
S330	In headliner harness, between sunroof control module & C397.
S331	In IP harness, between body control module & front door courtesy lamps.
S333	In body harness, approximately 35 cm (14 in) from breakout for left inflatable restraint side impact sensor. See Fig. 67.
S334	In headliner harness, approximately 10 cm (4 in) from breakout for right front vanity mirror lamp.
S335	In body harness, approximately 31 cm (12 in) from branch for C314.
S336	In body harness, approximately 19 cm (8 in) from breakout for yaw & lateral acceleration sensor.
S337	In body harness, approximately 15 cm (6 in) from branch for battery current sensor. See Fig. 67.
S338	In sunroof harness, between C399 & sunroof control module.
S343	In body harness, approximately 9 cm (3 in) from branch for C314. See Fig. 67.
S347	In left front seat harness, approximately 8 cm (4 in) from inline connector C315. See Fig. 67.
S348	In right front seat harness, approximately 114 cm (45 in) from passenger seat adjuster switch connector. See Fig. 74.
S349	In left front seat harness, approximately 8 cm (4 in) from breakout for auxiliary power outlet connector. See Fig. 73.
S350	In body harness, approximately 7 cm (3 in) from branch for C315.
S351	In left front seat harness, approximately 14 cm (6 in) from breakout for driver seat adjuster motor. See Fig. 73.
S352	In left front seat harness, approximately 7 cm (3 in) from breakout for inflatable restraint seat position sensor. See Fig. 73.
S355	In driver seat harness, approximately 10 cm (4 in) from driver seat adjuster motor connector. See Fig. 73.
S356	In driver seat harness, approximately 9 cm (4 in) from driver seat cushion ventilation heat & cool module connector. See Fig. 73.
S357	In right front seat harness, approximately 7 cm (3 in) from passenger seat cushion ventilation heat & cool module connector. See Fig. 74.
S358	In right front seat harness, approximately 7 cm (3 in) from breakout for passenger seat cushion ventilation heat & cool module. See Fig. 74.
S359	In driver seat harness, between driver position module & left front cushion heated seat element. See Fig. 73.
S360	In right front seat harness, between C314 & left front cushion heated seat element. See Fig. 74.
S361	In body harness, between C300 & amplifier.
S362	In body harness, between C300 & amplifier.
S363	In body harness, between C301 & amplifier.
S364	In body harness, between C301 & amplifier.
S365	In body harness, approximately 5 cm (2 in) from audio amplifier connector C1. See Fig. 68.
S366	In body harness, approximately 10 cm (4 in) from audio amplifier connector C1. See Fig. 68.
S369	In center console harness, approximately 10 cm (4 in) from breakout for cigar lighter.
S370	In body harness, approximately 42 cm (17 in) from breakout for yaw & lateral acceleration sensor. See Fig. 67.
S371	In driver seat harness, approximately 10 cm (4 in) from seat belt switch.
S372	In body harness, approximately 5 cm (2 in) from breakout for audio amplifier connector C1. See Fig. 68.
S373	In body harness, approximately 47 cm (19 in) from branch for battery current sensor.
S374	In body harness, approximately 10 cm (4 in) from branch for rear fuse block.
S375	In body harness, approximately 5 cm (2 in) from breakout for C301. See Fig. 67.
S376	In body harness, approximately 55 cm (22 in) from breakout for C301. See Fig. 67.
S377	In body harness, approximately 15 cm (6 in) from breakout for C206.
S378	In body harness, approximately 19 cm (8 in) from breakout for C300. See Fig. 67.
S379	In body harness, approximately 9 cm (4 in) from breakout for C300. See Fig. 67.
S380	In body harness, approximately 69 cm (28 in) from branch for battery current sensor.
S381	In center console harness, approximately 8 cm (3 in) from breakout for A/T shift lock control solenoid.
S383	In center console harness, between breakout for A/T shift lock control solenoid & breakout for auxiliary HVAC control module.
S384	In body harness, between rear fuse block & rear seat lumbar switches.
S385	In body harness, approximately 10 cm (4 in) from G306. See Fig. 75.
S400	In rear fascia harness, approximately 7 cm (3 in) from breakout for right middle object alarm sensor. See Fig. 76.
S401	In rear fascia harness, approximately 7 cm (3 in) from breakout for right middle object alarm sensor. See Fig. 76.
S402	In rear fascia harness, approximately 7 cm (3 in) from breakout for license lamps. See Fig. 76.
S404	In rear fascia harness, approximately 13 cm (5 in) from breakout for license lamps. See Fig. 76.
S500	In driver door harness, approximately 10 cm (4 in) from breakout for C501.
S600	In right front door harness, approximately 10 cm (4 in) from breakout for C601.
S700	In rear door harness, approximately 12 cm (5 in) from breakout for C700. See Fig. 71.
S701	In rear door trim harness, approximately 5 cm (2 in) from breakout for left rear door window switch.
S702	In rear door trim harness, approximately 8 cm (3 in) from left rear door window switch.
S800	In rear door harness, approximately 12 cm (5 in) from breakout for C800. See Fig. 72.
S801	In rear door trim harness, approximately 5 cm (2 in) from breakout for right rear door window switch.
S802	In rear door trim harness, approximately 8 cm (3 in) from right rear door window switch.