Architecture

2006 Buick Lacrosse Fuse Box Diagram 2006 Buick, Instrument Panel Fuse Block

Buick LaCrosse (2005 – 2007) – fuse box diagram

Year of production: 2005, 2006, 2007

Instrument Panel Fuse Block

The instrument panel fuse block is located on the passenger side of the instrument panel.

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Relays Usage
RAP Retained Accessory Power
PRK/LAMP Park Lamp Relay
R/DEFOG Rear Defogger Relay

Underhood Fuse Block

Some fuses and relays are located in the underhood fuse block on the passenger side of the vehicle in the engine compartment.

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Buick LaCrosse – fuse box – engine compartment

Mini Fuses Usage
1 Driver Side High-Beam
2 Passenger Side High-Beam
3 Driver Side Low-Beam
4 Passenger Side Low-Beam
5 Windshield Wiper
6 Washer/Regulated Voltage Control
7 Fog Lamps
8 Transmission Control Module
9 Supplemental Inflatable Restraint
10 Auxiliary Power
11 Horn
12 Emission
13 Air Conditioner Clutch
14 Oxygen Sensor
15 Powertrain Control Module
16 Powertrain Control Module, Electronic Throttle Control
17 Electronic Throttle Control
18 Display
19 Antilock Brake Solenoid
20 Fuel Injector
21 Transmission Solenoid
22 Fuel Pump
23 Antilock Brake System
24 Ignition
J-Style fuse Usage
25 Air Pump
26 Battery Main 1
27 Battery Main 2
28 Battery Main 3
29 Fan 1
30 Battery Main 4
31 Antilock Brake System Motor
32 Fan 2
33 Starter
Micro-Relays Usage
34 Headlamp High-Beam
35 Headlamp Driver Module
36 Fog Lamp
37 Ignition 1
38 Air Conditioning Compressor
39 Horn
40 Powertrain
41 Fuel Pump
Mini-Relays Usage
42 Fan 1
43 Fan 3
44 Windshield Wiper High
45 Windshield Wiper
46 Fan 2
48 Crank
Spare fuses Usage
49 Spare
50 Spare
51 Spare
52 Blank
53 Blank
54 Blank
Fuse Puller Usage
55 Fuse Puller
Diodes Usage
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Air Conditioner Compressor Clutch Diode

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

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