Buick Regal (1997-2004) fuses and relays

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In this article, we consider the fourth generation Buick Regal, produced from 1997 to 2008. Here you will find fuse box diagrams of Buick Regal 1997, 1998, 1999, 2000, 2001, 2002, 2003 and 2004, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout) and relay.

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Fuse Layout Buick Regal 1997-2004

Cigar lighter / power outlet fuse in the Buick Regal is the fuse №F23 (CIGAR LTR, DATA LINK / CIGAR LTR / LTR) in the Passenger compartment fuse box.

Table of Contents

Fuse box location

Passenger compartment fuse box

It is located on right side of the instrument panel, behind the cover.

Engine compartment

Fuse box diagrams

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1997, 1998, 1999

Passenger compartment

Assignment of the fuses in the Passenger compartment (1997, 1998, 1999)

№	Description
A	Tire Inflation Monitor Reset Button (Circuit Breaker)
B	Power Windows/Sunroof (Circuit Breaker)
C	Rear Defog (Circuit Breaker)
D	Power Seats (Circuit Breaker)
1	Ignition Key Solenoid
4	Ignition Signal - Hot in Run and Start - PCM, BCM U/H Relay
5	Remote Radio Premium Sound
6	Power Mirrors
8	Panel Dimming
10	Ignition Signal -Hot in Run, Unlock and Start ~ Cluster, Powertrain Control Module, Body Control Module
13	DRL Module
14	Interior Lamps
15	Door Locks
17	Taillamps, License Lamp
18	Radio
19	Heated Mirror
20	Cruise Control
22	Clusters
23	Cigarette Lighter - Auxiliary Power Connection (Power Drop), Data Link
24	Stoplamps
26	Parking Lamps, Fog Lamps (1997)
27	Auxiliary Power Connection (Power Drop) - Hot in ACC and Run
28	Crank Signal - Body Control Module, Cluster, Powertrain Control Modules
29	Ignition Signal - HVAC Control Head
30	Shifter Lock Solenoid
31	Air Bag
32	Anti-lock Brake Controls (1997), Body Control Module
33	Hazard Flashers
34	Driver’s Heated Seat
36	Ignition Signal - Hot in ACC and Run - Body Control Module
37	Anti-lock Brake Solenoids (1997)
38	Low Blower
39	Anti-Lock Brakes
40	Turn Signals, Cornering Lamps
41	Radio, HVAC Head, Remote Keyless Entry, Cluster, CEL TEL
42	High Blower
43	Passenger’s Heated Seat
44	Audio Steering Wheel Controls
45	Wipers

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Engine compartment

Assignment of the fuses and relays in the Engine compartment (1997, 1998, 1999)

№	Description
1	1997, 1998: Cooling Fan 1999: ABS
2	Starter Solenoid
3	Power Seats, Rear Defog, Heated Seats
4	High Blower, Hazard Flasher, Stop lamps, Power Mirror, Door Locks
5	Ignition Switch, BTSI, Stoplamps, ABS, Turn Signals, Cluster, Air Bag, DRL Module
6	Cooling Fan
7	Interior Lamps, Retained Accessory Power, Keyless Entry, CEL TEL, Data Link, HVAC Head, Cluster, Radio, AUX Power (Power Drop), Cigarette Lighter
8	Ignition Switch, Wipers, Radio, Steering Wheel Controls, Body Control Module, AUX Power (Power Drop), Power Windows, Sunroof, HVAC Controls, DRL, Rear Defog Relay
9	Cooling Fan 2
10	Cooling Fan 3
11	Starter Solenoid
12	Cooling Fan 1
13	Ignition Main
14	Not Used
15	A/C Clutch
16	Horn
17	Fog Lamps
18	Fuel Pump, Speed Control
19	Fuel Pump
20	Not Used
21	Generator
22	ECM
23	A/C Compressor Clutch
24	1997, 1998: Not Used 1999: Cooling Fan
25	Electronic Ignition
26	Transaxle
27	Horn
28	Fuel Injector
29	Oxygen Sensor
30	Engine Emissions
31	Fog Lamps
32	Headlamp (Right)
33	Rear Compartment Release
34	Parking Lamps
35	Fuel Pump
36	Headlamp (Left)
37	Spare
38	Spare
39	Spare
40	Spare
41	Spare
42	Spare
43	Fuse Puller
Diode	A/C Compressor Clutch Diode

2000

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Passenger compartment

Assignment of the fuses in the Passenger compartment (2000)

Fuse Name	Description
TIRE RESET	Tire Inflation Monitor Reset Button (Circuit Breaker)
PWR WINDOWS, PWR SUNROOF	Power Windows, Power Sunroof (Circuit Breaker)
REAR DEFOG	Rear Window Defogger (Circuit Breaker)
POWER SEATS	Power Seats (Circuit Breaker)
Blank	Not Used (Circuit Breaker)
PARK LOCK	Ignition Key Solenoid
Blank	Not Used
Blank	Not Used
PCM, BCM, U/H RELAY	Ignition Signal: Hot in Run and Start, Powertrain Control Module, Body Control Module, Underhood Relay
RADIO PREM. SOUND	Remote Radio Premium Sound
POWER MIRRORS	Power Mirrors
Blank	Not Used
PANEL DIMMING	Panel Dimming
Blank	Not Used
IGN 0, CLUSTER, PCM, BCM	Ignition Signal: Hot in Run, Unlock and Start, Cluster, Powertrain Control Module, Body Control Module
Blank	Not Used
Blank	Not Used
DRL	Daytime Running Lamps Module
INADV POWER BUS	Interior Lamps, Retained Accessory Power
DOOR LOCKS	Door Locks
Blank	Not Used
TAIL LAMPS, LIC LAMPS	Taillamps, License Lamps
RADIO	Radio
HEATED MIRROR	Heated Mirrors
CRUISE	Cruise Control
Blank	Not Used
CLUSTER	Instrument Panel Cluster
CIGAR LTR, DATA LINK	Cigarette Lighter, Auxiliary Power Connection (Power Drop), Data Link
STOP LAMPS	Stoplamps
Blank	Not Used
FRT PARK LPS	Parking Lamps
POWER DROP	Auxiliary Power Connection (Power Drop): Hot in ACC and Run
CRANK SIGNAL, BCM, CLUSTER	Crank Signal, Body Control Module, Cluster, Powertrain Control Module
HVAC	Ignition Signal, HVAC Control Head
BTSI PARK LOCK	Shifter Lock Solenoid
AIR BAG	Air Bag
BCM PWR	Body Control Module
HAZARD	Hazard Flashers
LH HEATED SEAT	Driver’s Heated Seat
Blank	Not Used
BCM ACC	Ignition Signal: Hot in ACC and Run, Body Control Module
Blank	Not Used
LOW BLOWER	Low Blower
ABS	Anti-Lock Brakes
TURN SIGNALS, CORN LPS	Turn Signals, Cornering Lamps
RADIO, HVAC, RFA, CLUSTER	Radio, HVAC Head, Remote Keyless Entry, Cluster
HIGH BLOWER	High Blower
RH HEATED SEAT	Passenger’s Heated Seat
STRG WHL CONT	Audio Steering Wheel Controls
WIPER	Wipers

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Engine compartment

Assignment of the fuses and relays in the Engine compartment (2000)

Maxi fuse	Description
1	ABS
2	Starter Solenoid
3	Power Seats, Rear Defog, Heated Seats
4	High Blower, Hazard Flasher, Stoplamps, Power Mirror, Door Locks
5	Ignition Switch, BTSI, Stoplamps, ABS, Turn Signals, Cluster, Air Bag, DRL Module
6	Cooling Fan
7	Interior Lamps, Retained Accessory Power, Keyless Entry, CEL TEL, Data Link, HVAC Head, Cluster, Radio, AUX Power (Power Drop), Cigarette Lighter
8	Ignition Switch, Wipers, Radio, Steering Wheel Controls, Body Control Module, AUX Power (Power Drop), Power Windows, Sunroof, HVAC Controls, DRL, Rear Defog Relay

Mini relay
9	Cooling Fan 2
10	Cooling Fan 3
11	Starter Solenoid
12	Cooling Fan 1
13	Ignition Main
14	Air Pump (Optional)
15	A/C Clutch
16	Horn
17	Fog Lamps
18	Fuel Pump, Speed Control (L67 only)
19	Fuel Pump

Mini fuse
20	Air Pump (Optional)
21	Generator
22	ECM
23	A/C Compressor Clutch
24	Cooling Fan
25	Electronic Ignition
26	Transaxle
27	Horn
28	Fuel Injector
29	Oxygen Sensor
30	Engine Emissions
31	Fog Lamps
32	Headlamp (Right)
33	Rear Compartment Release
34	Parking Lamps
35	Fuel Pump
36	Headlamp (Left)
37	Spare
38	Spare
39	Spare
40	Spare
41	Spare
42	Spare
43	Fuse Puller
Diode	A/C Compressor Clutch Diode

2001, 2002, 2003

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Passenger compartment

Assignment of the fuses in the Passenger compartment (2001, 2002, 2003)

Name	Description
TIRE RESET	Tire Inflation Monitor Reset Button (Circuit Breaker)
PWR WINDOWS, PWR SUNROOF	Power Windows, Power Sunroof (Circuit Breaker)
REAR DEFOG	Rear Window Defogger (Circuit Breaker)
POWER SEATS	Power Seats (Circuit Breaker)
Blank	Not Used (Circuit Breaker)
PARK LOCK	Ignition Key Solenoid
Blank	Not Used
Blank	Not Used
PCM, BCM, U/H RELAY	Ignition Signal: Hot in Run and Start, Powertrain Control Module, Body Control Module, Underhood Relay
RADIO PREM SOUND	Remote Radio Premium Sound
POWER MIRRORS	Power Mirrors
Blank	Not Used
PANEL DIMMING	Panel Dimming
Blank	Not Used
IGN 0, CLUSTER, PCM, BCM	Ignition Signal: Hot in Run, Unlock and Start, Cluster Powertrain, Control Module, Body Control Module
Blank	Not Used
Blank	Not Used
INADV POWER BUS	2001: Interior Lamps, Retained Accessory Power 2002, 2003: Interior Lamps
DOOR LOCKS	Door Locks
TRAP ALERT	2001: Not Used 2002-2003: Trap Alert
TAIL LAMPS, LIC LAMPS	Taillamps, License Lamps
RADIO	Radio
HEATED MIRROR	2001-2002: Heated Mirrors 2003: Not Used
CRUISE	Cruise Control
Blank	Not Used
CLUSTER	Instrument Panel Cluster
CIGAR LTR	Cigarette Lighter, Auxiliary Power Connection (Power Drop)
STOP LAMPS	Stoplamps
ONSTAR	OnStar
FRT PARK LPS	Parking Lamps
POWER DROP	Auxiliary Power Connection (Power Drop): Hot in ACC and Run
CRANK SIGNAL, BCM, CLUSTER	Crank Signal, Body Control Module, Cluster, Powertrain Control Module
HVAC	Ignition Signal, Heating Ventilation Air Conditioning Control Head
BTSI PARK LOCK	Shifter Lock Solenoid
AIR BAG	Air Bag
BCM PWR	Body Control Module
HAZARD	Hazard Rashers
LH HEATED SEAT	Driver's Heated Seat
Blank	Not Used
BCM ACC	Ignition Signal: Hot in ACC and Run, Body Control Module
Blank	Not Used
LOW BLOWER	Low Blower
ABS	Anti-Lock Brakes
TURN SIGNALS, CORN LPS	Turn Signals, Cornering Lamps
RADIO, HVAC, RFA, CLUSTER	Radio, Heating Ventilation Air Conditioning Head, Remote Keyless Entry, Cluster
HIGH BLOWER	High Blower
RH HEATED SEAT	Passengers Heated Seat
STRG WHL CONT	Audio Steering Wheel Controls
WIPER	Wipers

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Engine compartment

Assignment of the fuses and relays in the Engine compartment (2001, 2002, 2003)

Maxi fuse	Description
1	Anti-Lock Brake System
2	Starter Solenoid
3	Power Seats, Rear Defog, Heated Seats
4	High Blower, Hazard Flasher, Stoplamps, Power Mirror, Door Locks
5	Ignition Switch, BTSI, Stoplamps, ABS, Turn Signals, Cluster, Air Bag, DRL Module
6	Cooling Fan
7	2001: Interior Lamps, Retained Accessory Power, Keyless Entry, CEL TEL, Data Link, HVAC Head, Cluster, Radio, AUX Power (Power Drop), Cigarette Lighter 2002-2003: Retained Accessory Power, Keyless Entry, Data Link, Heating Ventilation Air Conditioning Head, Cluster, Radio, Auxiliary Power (Power Drop), Cigarette Lighter
8	Ignition Switch, Wipers, Radio, Steering Wheel Controls, Body Control Module, Auxiliary Power (Power Drop), Power Windows, Sunroof, Heating Ventilation Air Conditioning Controls, Daytime Running Lamps, Rear Defog Relay

Mini relay
9	Cooling Fan 2
10	Cooling Fan 3
11	Starter Solenoid
12	Cooling Fan 1
13	Ignition Main
14	2001-2002: Air Pump (Optional) 2003: Not Used
15	A/C Clutch
16	Horn
17	Fog Lamps
18	2001-2002: Fuel Pump, Speed Control (L67 only) 2003: Not Used
19	Fuel Pump

Mini fuse
20	2001-2002: Air Pump (Optional) 2003: Not Used
21	Generator
22	Engine Control Module
23	A/C Compressor Clutch
24	Cooling Fan
25	Electronic Ignition
26	Transaxle
27	Horn
28	Fuel Injector
29	Oxygen Sensor
30	Engine Emissions
31	Fog Lamps
32	Headlamp (Right)
33	Rear Compartment Release
34	Parking Lamps
35	Fuel Pump
36	Headlamp (Left)
37	Spare
38	Spare
39	Spare
40	Spare
41	Spare
42	Spare
43	Fuse Puller
Diode	A/C Compressor Clutch Diode

2004

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Passenger compartment

Assignment of the fuses in the Passenger compartment (2004)

Name	Description
TIRE RESET	Tire Inflation Monitor Reset Button
PWR/WNDW PWR S/ROOF	Power Windows, Power Sunroof
R/DEFOG	Rear Window Defogger
PWR SEAT	Power Seat
Blank	Not Used
PRK/LCK	Ignition Key Solenoid
Blank	Not Used
Blank	Not Used
PCM, BCM, U/H	Ignition Signal: Hot in Run and Start, Powertrain Control Module, Body Control Module, Underhood Relay
RADIO PREM. SOUND	Remote Radio Premium Sound
PWR MIR	Power Mirrors
Blank	Not Used
INT/ILLUM	Panel Dimming
Blank	Not Used
IGN 0: CLSTR, PCM & BCM	Ignition Signal: Hot in Run, Unlock and Start, Cluster, Powertrain Control Module, Body Control Module
Blank	Not Used
Blank	Not Used
Blank	Not Used
ACCY PWR BUS	Interior Lamps
DR/ LCK	Door Locks
Blank	Not Used
R/LAMPS	Taillamps, License Plate Lamps
Blank	Not Used
CRUISE	Cruise Control
Blank	Not Used
CLSTR	Instrument Panel Cluster
LTR	Cigarette Lighter
STOP LAMPS	Stoplamps
ONSTAR	OnStar
PRK/LGHT	Parking Lamps
Blank	Not Used
CRNK SIG, BCM, CLSTR	Crank Signal, Body Control Module, Cluster, Powertrain Control Module
HVAC	Ignition Signal, Heating, Ventilation and Air Conditioning Control Head
BTSI (REGAL)	Shifter Lock Solenoid
AIR BAG	Air Bag
BCM PWR	Body Control Module
HAZRD	Hazard Warning Flashers
LH HTD SEAT	Driver’s Heated Seat
Blank	Not Used
BCM ACCY	Ignition Signal: Hot in ACCESSORY and RUN, Body Control Module
Blank	Not Used
LOW BLWER	Low Blower
ABS	Anti-Lock Brakes
TRN SIG	Turn Signals, Cornering Lamps
RADIO, HVAC, RFA, CLSTR ALDL	Radio; Heating Ventilation, and Air Conditioning Head; Remote Keyless Entry, Cluster
HI BLWR	High Blower
RH HTD SEAT	Passenger’s Heated Seat
STR/WHL CNTRL	Audio Steering Wheel Controls
WPR	Windshield Wipers

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Engine compartment

Assignment of the fuses and relays in the Engine compartment (2004)

Maxi Fuses	Description
1	Anti-Lock Brake System
2	Starter Solenoid
3	Power Seats, Rear Window Defogger, Heated Seats
4	High Blower, Hazard Flasher, Stoplamps, Power Mirror, Door Locks
5	Ignition Switch, BTS Shifter Lock Solenoid, Stoplamps, Anti-Lock Brake System, Turn Signals, Cluster, Air Bag, Daytime Running Lamps Module
6	Cooling Fan
7	Retained Accessory Power (RAP), Remote Keyless Entry, Data Link, Heating, Ventilation and Air Conditioning Head, Cluster, Radio, Cigarette Lighter
8	Ignition Switch, Windshield Wipers, Radio, Steering Wheel Controls, Body Control Module, Power Windows, Sunroof; Heating, Ventilation and Air Conditioning Controls; Daytime Running Lamps, Rear Window Defogger Relay

Relays
9	Cooling Fan 2
10	Cooling Fan 3
11	Starter Solenoid
12	Cooling Fan 1
13	Ignition Main
14	Air Pump (Optional)
15	Not Used
16	Horn
17	Fog Lamps
18	Not Used
19	Fuel Pump

Mini Fuses
20	Not Used
21	Generator
22	Engine Control Module
23	Air Conditioner Compressor Clutch
24	Cooling Fan
25	Electronic Ignition
26	Transaxle
27	Horn
28	Fuel Injector
29	Oxygen Sensor
30	Engine Emissions
31	Fog Lamps
32	Right Headlamp
33	Rear Compartment Release
34	Parking Lamps
35	Fuel Pump
36	Left Headlamp
37	Not Used
38	Not Used
39	Not Used
40	Not Used
41	Not Used
42	Not Used
43	Not Used
Diode	Air Conditioner Compressor Clutch Diode

Learn more:

How to check the fuses?

How to replace a blown fuse?

Why do car fuses blow?

Types of automotive fuses

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