Tag: electricity

Buick Regal (1997 – 1999) – fuse box diagram

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Buick Regal (1997 – 1999) – fuse box diagram

Year of production: 1997, 1998, 1999

Instrument Panel Fuse Block

Some fuses are located in a fuse block on the passenger’s side of the instrument panel.

Buick Regal mk4 - fuse box - instrument panel
Buick Regal mk4 – fuse box – instrument panel
Circuit Breakers Usage
A Tire Inflation Monitor Reset Button
B Power Windows, Power Sunroof
C Rear Window Defogger
D Power Seat

 

Fuses Usage
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 Lamps
18 Radio
19 Heated Mirrors
20 Cruise Control
22 Instrument Panel Cluster
23 Cigarette Lighter, Auxiliary Power Connection (Power Drop), Data Link
24 Stoplamps
26 Parking Lamps
27 Auxiliary Power Connection (Power Drop): Hot in ACC and Run
28 Crank Signal, Body Control Module, Cluster, Powertrain Control Module
29 Ignition Signal — HVAC Control Head
30 Shifter Lock Solenoid
31 Air Bag
32 Body Control Module
33 Hazard Flashers
34 Driver’s Heated Seat
36 Ignition Signal: Hot in ACC and Run, Body Control Module
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

Underhood Fuse Block

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

Buick Regal mk4 - fuse box - engine compartment
Buick Regal mk4 – fuse box – engine compartment
Fuses Usage
1 ABS
2 Starter Solenoid
3 Power Seats, Rear Window Defogger, 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
9 Cooling Fan 2
10 Cooling Fan 3

 

Relays Usage
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 (L67 only)
19 Fuel Pump
20 Not Used
21 Generator
22 ECM
23 A/C Compressor Clutch
24 Cooling Fan
25 Electronic Ignition
26 Transaxle

 

Fuses Usage
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
SYMBOL Air Conditioner Compressor Clutch Diode

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

Buick Regal (2000) – fuse box diagram

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Buick Regal (2000) – fuse box diagram

Year of production: 2000

Instrument Panel Fuse Block

Some fuses are located in a fuse block on the passenger’s side of the instrument panel.

Buick Regal mk4 - fuse box - instrument panel
Buick Regal mk4 – fuse box – instrument panel
Circuit Breakers Usage
TIRE RESET Tire Inflation Monitor Reset Button
PWR WINDOWS, PWR SUNROOF Power Windows, Power Sunroof
REAR DEFOG Rear Window Defogger
POWER SEATS Power Seat
Blank Not Used

 

Fuses Usage
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, Heating Ventilation Air Conditioning 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

Underhood Fuse Block

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

Buick Regal mk4 - fuse box - engine compartment
Buick Regal mk4 – fuse box – engine compartment
Maxi Fuses Usage
1 ABS
2 Starter Solenoid
3 Power Seats, Rear Window Defogger, 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 Relays Usage
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 Fuses Usage
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
SYMBOL Air Conditioner Compressor Clutch Diode

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

Buick Regal (2001 – 2003) – fuse box diagram

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Buick Regal (2001 – 2003) – fuse box diagram

Year of production: 2001, 2002, 2003

Instrument Panel Fuse Block

Some fuses are located in a fuse block on the passenger’s side of the instrument panel.

Buick Regal mk4 - fuse box - instrument panel
Buick Regal mk4 – fuse box – instrument panel
Circuit Breakers Usage
TIRE RESET Tire Inflation Monitor Reset Button
PWR WINDOWS, PWR SUNROOF Power Windows, Power Sunroof
REAR DEFOG Rear Window Defogger
POWER SEATS Power Seat
Blank Not Used

 

Fuses Usage
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
Blank Not Used
INADV POWER BUS
DOOR LOCKS Door Locks
TRAP ALERT Trap Alert
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 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 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, Heating Ventilation Air Conditioning 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

Underhood Fuse Block

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

Buick Regal mk4 - fuse box - engine compartment
Buick Regal mk4 – fuse box – engine compartment
Maxi Fuses Usage
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, 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 Relays Usage
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 Usage
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
SYMBOL Air Conditioner Compressor Clutch Diode

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

Buick Regal (2004) – fuse box diagram

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Buick Regal (2004) – fuse box diagram

Year of production: 2004

Instrument Panel Fuse Block

Some fuses are located in a fuse block on the passenger’s side of the instrument panel.

Buick Regal mk4 - fuse box - instrument panel
Buick Regal mk4 – fuse box – instrument panel
Circuit Breakers Usage
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

 

Fuses Usage
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

 

Underhood Fuse Block

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

Buick regal mk4 - fuse box - engine compartment
Buick regal mk4 – fuse box – engine compartment
Fuses Usage
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 Usage
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

 

Fuses Usage
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
SYMBOL Air Conditioner Compressor Clutch Diode

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

Buick Regal (2010 – 2012) – fuse box diagram

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Buick Regal (2010 – 2012) – fuse box diagram

Year of production: 2010, 2011, 2012

Engine Compartment Fuse Block

Buick Regal mk5 - fuse box - engine compartment
Buick Regal mk5 – fuse box – engine compartment
Fuses Usage
1 Transmission control module
2 Engine control module
3 Not Used
4 Not Used
5 Ignition/ Transmission control module/Engine control module
6 Windshield wiper
7 Not Used
8 Fuel Injection, Ignition System Even
9 Fuel Injection, Ignition System Odd
10 Engine control module
11 Oxygen sensor
12 Starter
13 Fuel system control module
14 Secondary Air Induction
15 Not Used
16 Vacuum Pump
17 Ignition, Airbag
18 Not Used
19 Not Used
20 Not Used
21 Rear power windows
22 Antilock Brake System Valve
23 Variable Effort Steering
24 Front power windows
25 Power outlets
26 Antilock Brake System Pump
27 Electric parking brake
28 Rear window defogger
29 Left-Hand Seat Lumbar
30 Right-Hand Seat Lumbar
31 Not Used
32 Body control module 6
33 Heated front seats
34 Sunroof
35 Infotainment system
36 Not Used
37 Right high-beam headlamp
38 Left high-beam headlamp
39 Not Used
40 Not Used
41 Vacuum pump
42 Radiator fan 1
43 Not Used
44 Headlamp Washer System (if equipped)
45 Radiator fan 2
46 Terminal 87/Main relay
47 Oxygen sensor
48 Fog lamps
49 Right-Hand Low Beam, High Intensity Discharge Headlamp
50 Left-Hand Low Beam, High Intensity Discharge Headlamp
51 Horn
52 Motor Indicator Lamp
53 Inside Rearview Mirror
54 Not Used
55 Power windows
56 Windshield washer
57 Not Used
58 Not Used
59 Secondary Air Induction
60 Heated mirrors
61 Not Used
62 Canister vent solenoid
63 Not Used
64 Not Used
65 Not Used
66 Not Used
67 Fuel system control module
68 Not Used
69 Battery sensor
70 Not Used
71 Not Used

 

Relays Usage
1 Not Used
2 Starter
3 Cooling Fan (LHU)
4 Front wiper (step 2)
5 Front Wiper (Step 1, Interval)
6 SAI Valve
7 Main relay
8 Not Used
9 Cooling Fan (LAF/LHU)
10 Cooling Fan (LAF)
11 Not Used
12 Cooling Fan (LHU)
13 Cooling Fan (LAF/LHU)
14 High Intensity Discharge Lamps
15 Ignition
16 Secondary AIR Pump
17 Window/Mirror defogger

Instrument Panel Fuse Block

The instrument panel fuse block is located in the instrument panel, on the driver side of the vehicle.

Buick Regal mk5 - fuse box - instrument panel
Buick Regal mk5 – fuse box – instrument panel
Item Usage
1 Suspension control module
2 Body control module 7
3 Body control module 5
4 Radio
5 Radio displays/ Parking assist/ Infotainment/Module tunnel control
6 Power Outlet 1
7 Power Outlet 2
8 Body control module 3
9 Body control module 4
10 Body control module 8
11 Front Heater Ventilation Air Conditioning/Blower
12 Right-Hand Power Front Seat
13 Left-Hand Power Front Seat
14 Diagnostic Link Connector
15 Airbag
16 Trunk Release
17 Heating Ventilation Air Conditioning Controller
18 Service fuse/ Logistics relay
19 Not Used
20 Automatic occupant sensing
21 Instrument cluster
22 Discrete Logic Ignition Switch
23 Body control module 1
24 Body control module 2
25 OnStar
26 Power Outlet, Trunk

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

Buick Regal (2013) – fuse box diagram

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Buick Regal (2013) – fuse box diagram

Year of production: 2013

Engine Compartment Fuse Block

Buick Regal mk5 - fuse box - engine compartment
Buick Regal mk5 – fuse box – engine compartment
Fuses Usage
1 Transmission control module
2 Engine control module
3 SAI Solenoid (2.4L Engine RPO LEA)
4 Not Used
5 Ignition/ Transmission control module/Engine control module
6 Windshield wiper
7 BPIM (eAssist only)
8 Not Used
9 Fuel injection,  Ignition system
10 Engine control module
11 Oxygen sensor
12 Starter
13 Fuel system control module
14 Trunk release
15 MGU coolant pump (eAssist only)
16 Heated steering wheel
17 Airbag
18 BPIM (eAssist only)
19 Not Used
20 Not Used
21 Rear power windows
22 Antilock Brake System Valve
23 Variable Effort Steering
24 Front power windows
25 Power outlets
26 Antilock Brake System Pump
27 Electric parking brake
28 Rear window defogger
29 Left-Hand Seat Lumbar
30 Right-Hand Seat Lumbar
31 A/C clutch
32 Body control module 6
33 Heated front seats
34 Sunroof
35 Infotainment system
36 Not Used
37 Right high-beam headlamp
38 Left high-beam headlamp
39 Not Used
40 Not Used
41 Vacuum pump
42 Radiator fan
43 Passive entry/ Passive start
44 Transmission auxiliary pump (eAssist only)
45 Radiator fan
46 Terminal 87/Main relay
47 Oxygen sensor
48 Fog lamps
49 Right-Hand Low Beam, High Intensity Discharge Headlamp
50 Left-Hand Low Beam, High Intensity Discharge Headlamp
51 Horn
52 Motor Indicator Lamp
53 Inside Rearview Mirror
54 Not Used
55 Power windows/ Mirrors
56 Windshield washer
57 Not Used
58 Not Used
59 Secondary Air Induction (eAssist and 2.4L Engine RPO LEA)
60 Heated mirrors
61 Not Used
62 Canister vent solenoid
63 Not Used
64 Heater, Ventilation, and Air Conditioning Pump (eAssist Only)
65 Not Used
66 SAI check valve (eAssist only)
67 Fuel system control module
68 Not Used
69 Battery sensor
70 Not Used
71 Not Used

 

Relays Usage
1 Air Conditioning Control
2 Starter
3 Cooling Fan
4 Front wiper (step 2)
5 Front Wiper (Step 1, Interval)
6 SAI Valve/Heater (eAssist and 2.4L Engine RPO LEA), Ventilation, and Air Conditioning Pump (eAssist Only)
7 Main relay
8 Not Used
9 Cooling fan
10 Cooling fan
11 Transmission auxiliary pump (eAssist only)
12 Cooling Fan (2.0L Engine RPO LHU)
13 Cooling fan
14 High Intensity Discharge Lamps
15 Ignition
16 Secondary AIR Pump (eAssist and 2.4L Engine RPO LEA)
17 Window/Mirror defogger

Instrument Panel Fuse Block

The instrument panel fuse block is located in the instrument panel, on the driver side of the vehicle.

Buick Regal mk5 - fuse box - instrument panel
Buick Regal mk5 – fuse box – instrument panel
Item Usage
1 Suspension control module/Universal garage door opener/ESC
2 Body control module 1
3 Body control module 5
4 Radio
5 Radio displays/ Parking assist/ Infotainment/Module tunnel control
6 Instrument panel power outlet
7 Console power outlet
8 Body control module 3
9 Body control module 4
10 Body control module 8
11 Front Heater Ventilation Air Conditioning/Blower
12 Right-Hand Power Front Seat
13 Left-Hand Power Front Seat
14 Diagnostic Link Connector
15 Airbag
16 Spare
17 Heating Ventilation Air Conditioning Controller
18 Service fuse/ Logistics relay
19 Spare
20 Automatic occupant sensing
21 Instrument cluster
22 Discrete Logic Ignition Switch/PEPS
23 Body control module 6
24 Body control module 2
25 OnStar
26 Spare

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

Buick Regal (2014 – 2016) – fuse box diagram

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Buick Regal (2014 – 2016) – fuse box diagram

Year of production: 2014, 2015, 2016

Engine Compartment Fuse Block

Buick Regal mk5 - fuse box - engine compartment
Buick Regal mk5 – fuse box – engine compartment
Fuses Usage
1 Transmission control module
2 Engine control module
3 Not Used
4 Not Used
5 Ignition/ Transmission control module/Engine control module
6 Windshield wiper
7 BPIM (eAssist only)
8 Not Used
9 Fuel injection,  Ignition system
10 Engine control module
11 Oxygen sensor
12 Starter
13 Fuel system control module
14 Trunk release
15 MGU coolant pump (eAssist only)
16 Heated steering wheel
17 Not Used
18 BPIM (eAssist only)
19 Not Used
20 Not Used
21 Rear power windows
22 Antilock Brake System Valve
23 Obstacle detection
24 Front power windows
25 Power outlets
26 Antilock Brake System Pump
27 Electric parking brake
28 Rear window defogger
29 Left-Hand Seat Lumbar
30 Right-Hand Seat Lumbar
31 A/C clutch
32 Body control module 6
33 Heated front seats
34 Sunroof
35 Infotainment system
36 Adaptive cruise
37 Right high-beam headlamp
38 Left high-beam headlamp
39 All-Wheel Drive
40 Not Used
41 Vacuum pump
42 Radiator fan
43 Passive entry/ Passive start
44 Transmission auxiliary pump (eAssist only)
45 Radiator fan
46 Terminal 87/Main relay
47 Oxygen sensor
48 Fog lamps
49 Right-Hand Low Beam, High Intensity Discharge Headlamp
50  Left-Hand Low Beam, High Intensity Discharge Headlamp
51 Horn
52 Motor Indicator Lamp
53 Inside Rearview Mirror
54 Rear camera
55 Power windows/ Mirrors
56 Windshield washer
57 Not Used
58 Not Used
59 Secondary air induction (eAssist only)
60 Heated mirrors
61 Not Used
62 Canister vent solenoid
63 Not Used
64 Heater, Ventilation, and Air Conditioning Pump (eAssist Only)
65 Not Used
66 SAI check valve (eAssist only)
67 Fuel system control module
68 Not Used
69 Battery sensor
70 Right low-beam headlamp/DRL
71 Not Used

 

Relays Usage
1 Air Conditioning Control
2 Starter
3 Not Used
4 Front wiper (step 2)
5 Front Wiper (Step 1, Interval)
6 Right low-beam headlamp/DRL
7 Main relay
8 Auxiliary heater pump (eAssist only)
9 Cooling fan
10 Cooling fan
11 Transmission auxiliary pump (eAssist only)
12 Not Used
13 Cooling fan
14 HID headlamps/Left low-beam headlamp/DRL
15 Ignition
16 Secondary AIR pump (eAssist only)
17 Window/Mirror defogger

Instrument Panel Fuse Block

The instrument panel fuse block is located in the instrument panel, on the driver side of the vehicle.

Buick Regal mk5 - fuse box - instrument panel
Buick Regal mk5 – fuse box – instrument panel
Item Usage
1 Suspension control module/Universal garage door opener/ESC
2 Body control module 1
3 Body control module 5
4 Radio
5 Radio displays/ Parking assist/ Infotainment/Module tunnel control
6 Instrument panel power outlet
7 Console power outlet
8 Body control module 3
9 Body control module 4
10 Body control module 8
11 Front Heater Ventilation Air Conditioning/Blower
12 Right-Hand Power Front Seat
13 Left-Hand Power Front Seat
14 Diagnostic Link Connector
15 Airbag
16 Steering wheel controls
17 Heating Ventilation Air Conditioning Controller
18 Service fuse/ Logistics relay
19 Memory seats
20 Automatic occupant sensing
21 Instrument cluster
22 Discrete Logic Ignition Switch/PEPS
23 Body control module 6
24 Body control module 2
25 OnStar
26 Spare

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

Buick Regal (2017) – fuse box diagram

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Buick Regal (2017) – fuse box diagram

Year of production: 2017

Engine Compartment Fuse Block

Buick Regal mk5 - fuse box - engine compartment
Buick Regal mk5 – fuse box – engine compartment
Fuses Usage
1 Transmission control module
2 Engine control module
3 —
4 —
5 Ignition/ Transmission control module/Engine control module
6 Windshield wiper
7 BPIM (eAssist only)
8 —
9 Fuel injection/ Ignition system
10 Engine control module
11 O2 sensor
12 Starter
13 Fuel system control module
14 Trunk release
15 MGU coolant pump (eAssist only)
16 Heated steering wheel
17 —
18 BPIM (eAssist only)
19 —
20 —
21 Rear power windows
22 ABS valve
23 Obstacle detection
24 Front power windows
25 Power outlets
26 ABS pump
27 Electric parking brake
28 Rear window defogger
29 Driver seat lumbar
30 Passenger seat lumbar
31 A/C clutch
32 Body control module 6
33 Heated front seats
34 Sunroof
35 Infotainment system
36 Adaptive cruise
37 Right high-beam headlamp
38 Left high-beam headlamp
39 AWD
40 —
41 Vacuum pump
42 Radiator fan
43 Passive entry/ Passive start
44 Transmission auxiliary pump (eAssist only)
45 Radiator fan
46 Terminal 87/Main relay
47 O2 sensor
48 Fog lamps
49 Right low-beam HID headlamp
50 Left low-beam HID headlamp
51 Horn
52 Malfunction indicator lamp
53 Interior rearview mirror
54 Rear vision camera
55 Power windows/ Mirrors
56 Windshield washer
57 —
58 —
59 Secondary air induction (eAssist only)
60 Heated mirrors
61 —
62 Canister vent solenoid
63 —
64 HVAC pump (eAssist only)
65 —
66 SAI check valve (eAssist only)
67 Fuel system control module
68 —
69 Battery sensor
70 Right low-beam headlamp/DRL
71 —

 

Relays Usage
1 A/C control
2 Starter
3 —
4 Front wiper (step 2)
5 Front wiper (step 1)
6 Right low-beam headlamp/DRL
7 Main relay
8 Auxiliary heater pump (eAssist only)
9 Cooling fan
10 Cooling fan
11 Transmission auxiliary pump (eAssist only)
12 —
13 Cooling fan
14 HID headlamps/Left low-beam headlamp/DRL
15 Ignition
16 Secondary AIR pump (eAssist only)
17 Window/Mirror defogger

Instrument Panel Fuse Block

The instrument panel fuse block is located in the instrument panel, on the driver side of the vehicle.

Buick Regal mk5 - fuse box - instrument panel
Buick Regal mk5 – fuse box – instrument panel
Item Usage
1 Suspension control module/Universal garage door opener/ESC
2 Body control module 1
3 Body control module 5
4 Radio
5 Radio displays/ Parking assist/ Infotainment/Module tunnel control
6 Instrument panel power outlet
7 Console power outlet
8 Body control module 3
9 Body control module 4
10 Body control module 8
11 Front HVAC blower
12 Right front seat
13 Left front seat
14 Diagnostic link connector
15 Airbag
16 Steering wheel controls
17 HVAC controller
18 Service fuse/ Logistics relay
19 Memory seats
20 Automatic occupant sensing
21 Instrument cluster
22 Discrete logic ignition switch/ Passive entry/ Passive start
23 Body control module 6
24 Body control module 2
25 OnStar
26 —

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

Buick LaCrosse (2005 – 2007) – fuse box diagram

Posted on by admin

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.

Buick LaCrosse - fuse box - instrument panel
Buick LaCrosse – fuse box – instrument panel
Fuses Usage
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

 

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.

Buick LaCrosse - fuse box - engine compartment
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
diodes Air Conditioner Compressor Clutch Diode

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

Buick LaCrosse (2008) – fuse box diagram

Posted on by admin

Buick LaCrosse (2008) – fuse box diagram

Year of production: 2008

Instrument Panel Fuse Block

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

Buick LaCrosse - fuse box - instrument panel
Buick LaCrosse – fuse box – instrument panel
Fuses Usage
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

 

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.

3.6L & 3.8L V6 engines

Buick LaCrosse - fuse box - engine compartment (3.8L V6 engine)
Buick LaCrosse – fuse box – engine compartment (3.8L V6 engine)
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

 

Fuse Puller Usage
55 Fuse Puller

 

Diodes Usage
diodes Air Conditioner Compressor Clutch Diode

5.3L V8 Engine

Buick LaCrosse - fuse box - engine compartment (5.8L V8 engine)
Buick LaCrosse – fuse box – engine compartment (5.8L V8 engine)
Fuses Usage
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

 

Relays Usage
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

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