Looking for Buick LaCrosse fuse box diagrams ? This article covers the first-generation Buick LaCrosse , available from 2005 , and includes fuse box diagrams for Buick LaCrosse 2005, 2006, 2007, 2008 and 2009 , along with details about the location of the fuse panels inside the vehicle and a clear explanation of the assignment of each fuse and relay (fuse layout).
Passenger Compartment
Fuse Box Location
The instrument panel fuse block is located on the passenger’s side of the instrument panel. Pull off the cover labeled FUSES to expose the fuse block.
Fuse Box Diagram
Fuses
Assignment of the fuses in the passenger compartment
Fuse Data
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Short-Code Description DR/LCK TRUNK Door Locks, Trunk RFA/MOD Remote Keyless Entry PRK/SWTCH Ignition Key Lock CLSTR Cluster STR/WHL/ ILLUM Steering Wheel Controls Illumination ONSTAR/ALDL OnStar®, Data Link INT/ILLUM Interior Lamps PWR/SEAT Power Seat S/ROOF Sunroof CNSTR Canister Vent HVAC Climate Control System HAZRD Turn Signal, Hazard PRK/LAMP Park Lamps CHMSL/BKUP Center-High-Mounted Stoplamp/Back-up Lamps PWR/MIR Power Mirrors CRUISE Cruise Control RDO/AMP Radio, Amplifier HTD/SEAT Heated Seats HTD/MIR Heated Mirrors PWR/WNDW Power Window
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Relays
Assignment of the relays in the passenger compartment
Fuse Data
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Short-Code Description RAP Retained Accessory Power PRK/LAMP Park Lamp Relay R/DEFOG Rear Defogger Relay
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Engine Compartment
Fuse Box Location
Some fuses and relays are located in the underhood fuse block on the passenger’s side of the vehicle in the engine compartment.
Fuse Box Diagram
3.6L and 3.8L V6 engines
Fuses
Assignment of the fuses in the engine compartment (3.6L & 3.8L V6 engines)
Fuse Data
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No. Type Description 1 Mini Fuses Driver Side High-Beam 2 Mini Fuses Passenger Side High-Beam 3 Mini Fuses Driver Side Low-Beam 4 Mini Fuses Passenger Side Low-Beam 5 Mini Fuses Windshield Wiper 6 Mini Fuses Washer/Regulated Voltage Control 7 Mini Fuses Fog Lamps 8 Mini Fuses Transmission Control Module 9 Mini Fuses Supplemental Inflatable Restraint 10 Mini Fuses Auxiliary Power 11 Mini Fuses Horn 12 Mini Fuses Emission 13 Mini Fuses Air Conditioner Clutch 14 Mini Fuses Oxygen Sensor 15 Mini Fuses Powertrain Control Module 16 Mini Fuses Powertrain Control Module, Electronic Throttle Control 17 Mini Fuses Electronic Throttle Control 18 Mini Fuses Display 19 Mini Fuses Antilock Brake Solenoid 20 Mini Fuses Fuel Injector 21 Mini Fuses Transmission Solenoid 22 Mini Fuses Fuel Pump 23 Mini Fuses Antilock Brake System 24 Mini Fuses Ignition 25 J-Style Fuse Air Pump 26 J-Style Fuse Battery Main 1 27 J-Style Fuse Battery Main 2 28 J-Style Fuse Battery Main 3 29 J-Style Fuse Fan 1 30 J-Style Fuse Battery Main 4 31 J-Style Fuse Antilock Brake System Motor 32 J-Style Fuse Fan 2 33 J-Style Fuse Starter 49-54 Spare Spare fuses 55 Tool Fuse Puller diode Diode Air Conditioner Compressor Clutch Diode
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Relays
Assignment of the relays in the engine compartment (3.6L & 3.8L V6 engines)
Fuse Data
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No. Type Description 34 Micro-Relays Headlamp High-Beam 35 Micro-Relays Headlamp Driver Module 36 Micro-Relays Fog Lamp 37 Micro-Relays Ignition 1 38 Micro-Relays Air Conditioning Compressor 39 Micro-Relays Horn 40 Micro-Relays Powertrain 41 Micro-Relays Fuel Pump 42 Mini-Relays Fan 1 43 Mini-Relays Fan 3 44 Mini-Relays Windshield Wiper High 45 Mini-Relays Windshield Wiper 46 Mini-Relays Fan 2 48 Mini-Relays Crank
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5.3L V8 Engine
Fuses
Assignment of the fuses in the engine compartment (5.3L V8 Engine)
Fuse Data
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Short-Code Description HVAC Climate Control System FUEL/PUMP Fuel Pump AIRBAG/ DISPLAY Airbag, Display COMPASS Compass ABS Antilock Brake System ETC/ECM Electronic Throttle Control, Engine Control Module A/C CMPRSR Air Conditioning Compressor INJ 1 Injectors 1 ECM/TCM Engine Control Module, Transmission Control Module TRANS Transmission EMISSIONS1 Emissions 1 ABS SOL Antilock Brake Solenoid ECM IGN Engine Control Module, Ignition INJ 2 Injectors 2 EMISSIONS2 Emissions 2 WPR Windshield Wipers AUX PWR Auxiliary Power WSW/RVC Windshield Washer, Regulated Voltage Control LT LO BEAM Driver Side Low-Beam Headlamp RT LO BEAM Passenger Side Low-Beam Headlamp FOG LAMPS Fog Lamps LT HI BEAM Driver Side High-Beam Headlamp HORN Horn RT HI BEAM Passenger Side High-Beam Headlamp BATT 4 Battery 4 BATT 1 Battery 1 STRTR Starter ABS MTR Antilock Brake System Motor BATT 3 Battery 3 BATT 2 Battery 2 FAN 2 Cooling Fan 2 FAN 1 Cooling Fan 1
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Relays
Assignment of the relays in the engine compartment (5.3L V8 Engine)
Fuse Data
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Short-Code Description FUEL/PUMP Fuel Pump A/C CMPRSR Air Conditioning Compressor PWR/TRN Powertrain STRTR Starter FAN 1 Cooling Fan 1 FAN 2 Cooling Fan 2 FAN 3 Cooling Fan 3 HDM Headlamp Driver Module
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