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Buick LeSabre (2000 - 2002) Fuse Box Diagram

avatar Jonathan Yarden Jan 30, 2021 · 5 min. read

In this article you will find a description of fuses and relays Buick, with photos of block diagrams and their locations. Highlighted the cigarette lighter fuse (as the most popular thing people look for).
Get tips on blown fuses, replacing a fuse, and more.

Year of production: 2000, 2001, 2002

Engine Compartment Fuse Block

The engine compartment fuse block is located near the front on the passenger’s side of the vehicle.

Buick LeSabre - fuse box - engine compartment

Mini Fuses Usage
1 Not Used
2 Accessory
3 Windshield Wipers
4 Not Used
5 Left Low-Beam Headlamp
6 Right Low-Beam Headlamp
7 Instrument Panel
8 Powertrain Control Module Battery
9 Right High-Beam Headlamp
10 Left High-Beam Headlamp
11 Ignition 1
12 Not Used
13 Transaxle
14 Cruise Control
15 Direct Ignition System
16 Injector Bank #2
17 Not Used
18 Not Used
19 Powertrain Control Module Ignition
20 Oxygen Sensor
21 Injector Bank #1
22 Auxiliary Power
23 Cigarette Lighter
24 Fog Lamps/Daytime Running Lamps
25 Horn
26 Air Conditioner Clutch

 

Micro Relays Usage
27 High-Beam Headlamp
28 Low-Beam Headlamp
29 Fog Lamps
30 Daytime Running Lamps
31 Horn
32 Air Conditioner Clutch
33 HVAC Solenoid

 

Mini Relays Usage
34 Accessory
35 Air Pump
36 Starter 1
37 Cooling Fan 1
38 Ignition 1
39 Cooling Fan Series/Parallel
40 Cooling Fan 2

 

 

Maxi breaker Usage
41 Starter

 

Maxi Fuses Usage
42 A.I.R
43 Empty
44 ABS
45 Not Used
46 Cooling Fan 1
47 Cooling Fan 2

 

Spare Fuses Usage
48 Spare
49 Spare
50 Spare
51 Spare
51 Spare
52 Spare
53 Fuse Puller

Rear Underseat Fuse Block

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

Buick LeSabre - fuse box - rear underseat

Mini Fuses Usage
1 Fuel Pump
2 HVAC Blower
3 Memory
4 Assembly Line Diagnostic Link
5 Rear Fog Lamps
6 Compact Disc (CD)
7 Driver’s Door Module
8 Air Bag System (SIR)
9 Not Used
10 Right Parking Lamp
11 Vent Solenoid
12 Ignition 1
13 Left Parking Lamp
14 Dimmer
15 Not Used
16 Left Front Heated Sea
17 Not Used
18 Rear Door Module
19 Stoplamp
20 Park/Reverse
21 Audio
22 Retained Accessory Power (RAP)
23 Not Used
24 Not Used
25 Passenger Door Module
26 Body
27 Interior Lamps
28 Not Used
29 Ignition Switch
30 Instrument Panel
31 Right Front Heated Seat
32 Not Used
33 HVAC
34 Ignition 3 Rear
35 Anti-Lock Brake System (ABS)
36 Turn Signal/Hazard
37 HVAC Battery
38 Dimmer

 

Micro Relays Usage
39 Fuel Pump
40 Parking Lamp
41 Ignition 1
42 Rear Fog Lamp
43 Not Used
44 Park
45 Reverse
46 Retained Accessory Power (RAP)
47 Fuel Tank Door Lock
48 Not Used
49 Ignition 3
50 Fuel Tank Door Release
51 Interior Lamps
52 Trunk Release
53 Front Courtesy Lamps
54 Not Used
55 Electronic Level Control (ELC)

 

Circuit Breaker Usage
56 Power Seats
57 Power Windows

 

Mini Relays Usage
58 Cigar
59 Rear Defogger

 

Maxi Fuses Usage
60 Not Used
61 Rear Defog
62 Not Used
63 Audio Amplifier
64 Electronic Level Control (ELC)
65 Cigar
66 Not Used

 

 

Spare Fuses Usage
67 Not Used
68 Not Used
69 Spare
70 Spare
71 Spare
72 Spare
73 Spare
74 Spare
75 Fuse Puller

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

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