Buick Lucerne (2006 – 2007) – fuse box diagram

Year of production: 2006, 2007

The underhood fuse block is located on the passenger side of the engine compartment.

Fuses	Usage
F1	Spare
F2	Driver’s Side Low-Beam
F3	Passenger’s Side Low-Beam
F4	Airbag Ignition
F5	Engine Control Module
F6	Transaxle Ignition
F7	Spare
F8	Spare
F9	Sprare
F10	Passenger’s Side High-Beam Headlamp
F11	Driver’s Side High-Beam Headlamp
F12	Windshield Washer Pump
F13	Spare
F14	Climate Controls, Instrument Panel Cluster
F15	Spare
F16	Fog Lamps
F17	Horn
F18	Windshield Wiper
F19	Driver’s Side Corner Lamp
F20	Passenger’s Side Corner Lamp
F21	Oxygen Sensor
F22	Powertrain
F23	Engine Control Module (ECM), Crank
F24	Injector Coil
F25	Injector Coil
F26	Air Conditioning
F27	Air Solenoid
F28	Engine Control Module, Transaxle Control Module (ECM/TCM)
F29	Spare
F30	Spare
F31	Spare
F32	Spare

The rear fuse block is located under the rear seat on the driver side. The rear seat cushion must be removed to access the rear fuse block.

J-Case Fuse	Usage
JC1	Climate Control Fan
JC2	Rear Defogger
JC3	Electronic Leveling Control/Compressor

Fuses	Usage
F1	Amplifier (Option)
F2	Not Used
F3	Interior Lamps
F4	Courtesy/Passenger Side Front Turn Signal
F5	Canister Vent
F6	Magnetic Ride Control Module (Option)
F7	Leveling Compressor
F8	Not Used
F9	Not Used
F10	Switch Dimmer
F11	Fuel Pump
F12	Body Control Module Logic
F13	Airbag
F14	Accessory Power Outlets
F15	Driver’s Side Turn Signal
F16	Passenger Side Rear Turn Signal
F17	Sunroof
F18	Center High-Mounted Stoplamp, Back-up Lamps
F19	Rear Door Locks
F20	Not Used
F21	Radio, S-Band
F22	OnStar® (Option)
F23	Accessory Power Outlet
F24	Driver Door Module
F25	Passenger Door Module
F26	Trunk Release
F27	Heated/Cooled Seats (Option)
F28	Engine Control Module, Transaxle Control Module (ECM/TCM)
F29	Regulated Voltage Control Sense
F30	Daytime Running Lamps
F31	Instrument Panel Harness Module
F32	Not Used
F33	Not Used
F34	Steering Wheel Illumination
F35	Body Harness Module
F36	Memory Seat Module Logic Massage (Option)
F37	Object Detection Sensor (Option)
F38	Not Used
F40	Shifter Solenoid
F41	Retained Accessory Power, Miscellaneous
F42	Driver’s Side Park Lamp
F43	Passenger’s Side Park Lamp
F44	Heated Steering Wheel (Option)
F45	Not Used
F46	Not Used
F47	Heated/Cooled Seats, Ignition 3 (Option)
F48	Ignition Switch
F49	Not Used

Circuit Breaker	Usage
CB1	Front Passenger’s Seat, Memory Seat Module
CB2	Driver’s Power Seat, Memory Seat Module
CB3	Door Module, Power Windows
CB4	Not Used

Resistor	Usage
F39	Terminating Resistor

Relays	Usage
R1	Retained Accessory Power
R2	Park Lamps
R3	Run (Option)
R4	Daytime Running Lamps
R5	Not Used
R6	Trunk Release
R7	Fuel Pump
R8	Not Used
R9	Door Lock
R10	Door Unlock
R11	Not Used
R12	Not Used
R13	Not Used
R14	Rear Defogger
R15	Electronic Leveling Control Compressor

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.