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Buick Regal (1994) - 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: 1994

Fuse block

This fuse panel is inside the glove box. Pull the cover down to access the fuses. Some spare fuses and a fuse puller are included.

Buick Regal mk3 - fuse box

Fuses Amp Usage
1 10 Radio & Clock, Steering Wheel Radio Switches
2 10 Headlight Switch, Air Bag Diagnostic Module, ABS Lamp Driver Module, Daytime Running Lamps Module (w/DRL), TCC/Brake Switch, Cruise Control Cut-Out Switch, Instrument Cluster, Chime Module, Rear Defogger Timer Relay
3 20 A/C HI Blower Relay
4 25 Wipermasher Switch
5 10 Turn Signal Flasher
6 15 TCC/Brake Switch, Hazard Flasher
7 15 Vanity Mirror, Lights, I/P Compartment Light, Courtesy Lights, Trunk Courtesy Light, Dome/Reading Lights, Cigar Lighter
8 15 Air Bag Diagnostic Module
9 20 Power Door Locks, Remote Keyless Entry System
10 15 Cigar Lighter
11 5 Theft Deterrent Decoder Module
12 15 Heater, Vent A/C Solenoid Box, A/C LO Blower Relay
13 15 Chime Module, Electronic Brake Control Module. Theft Deterrent Decoder Module, Radio, Passive Restraint Timer Relay, Low Oil Level Module
14 15 Air Temperature Valve Motors, Instrument Cluster, Daytime Running Lights Module (w/DRL), HVAC Control Assembly, Multi-Function Lever, Heated Oxygen Sensor #2, Passenger Temperature Control
15 5 Electronic Brake Control Module, Underhood, Electrical Center #2, ABS Relay
16 10 Antenna Relay, Outside Mirror Control, Front Window/Door Lock Switches, Front Door Handle Switches
17 — Not Used
18 5 Air Bag Diagnostic Module

Component Center Under Instrument Panel

Buick Regal mk3 - fuse box - component center (under instrument panel)

Item Amp Usage
1 Defogger Timer Relay
2 Air Conditioner Blower Relay(HI)
3 Air Conditioner Blower Relay (LO)
4 30 Defogger Circuit Breaker
5 30 Power Accessories Circuit Breaker
6 30 Power Windows and Sunroof Circuit Braker
7 Not Used
8 20 Lock Control Fuse
9 Chime Module
10 Hazard Flashe

Electrical Center Passenger Side – Underhood

Buick Regal mk3 - fuse box - electrical - center underhood passenger side

Mini fuse Amp Usage
1 Not
2 15 Remote Trunk Release
3 20 Powertrain Control Module (PCM), Fuel Pump/Oil Pressure Switch, Fuel Pump Relay. Fan Control #I Relay
4 15 Automatic Transaxle, Transaxle Range Switch (w/VIN M only)
5 15 Generator. Digital Exhaust Recirculation (DEGR), Heated Oxygen Sensor, Fan Control #2 Relay, A/C Compressor Relay (VIN M only)
6 15 Cruise Control Module. A/C Compressor Relay (VIN L only)
7 15 Fuel Injectors, High Resolution 24X Crankshaft Position Sensor, Camshaft Position Sensor
8 15 Powertrain Control Module (PCM), Mass Air Flow (MAF) Sensor (VIN L only)
9 15 Electronic Ignition (E1)-Control Module


Maxi fuse Amp Usage
10 60 I/P Fuse Block, Courtesy Fuse. C/Ltr Fuse, Elec. Fuse, ACC Fuse
11 60 Fdn Control #I Relay
12 60 Passenger Side Underhood Electrical Center and I/P Fuse Block: Blower Fuse. Stop Fuse. Door Locks Fuse
13 60 Fan Control #2 Relay and Component Center: Rear Defog Circuit Breaker, Power ACC Circuit Breaker


Relay Amp Usage
14 Fuel Pump
15 A/C Compressor
16 Fan Control #2 – Secondary Cooling Fan (Passenger Side)
17 Fan Control #I – Primary Cooling Fan (Driver Side)
18 Not Used

Electrical Center Driver Side – Underhood

Buick Regal mk3 - fuse box - electrical center underhood driver side

Mini Fuse Amp Usage
1 Not Used
2 Not Used
3 Not Used
4 10 Fog Lamps
5 25 Parking Lamps, Headlight Switch
6 15 Horn Relay, Underhood Light
7 Not Used
8 Not Used
9 Not Used


Maxi Fuse Amp Usage
10 40 Component Center: Power Windows Circuit Breaker, Passenger Side Underhood Electrical Center, TCC and Engine Emissions Fuse
11 40 I/P Fuse Block: Radio, Wiper, HVAC, ABS and Turn Signal Fuses; Passenger Side Underhood Electrical Center: Fuel Injections, ECM IGN and ELEK IGN Fuses
12 30 Headlight Switch Circuit Breaker
13 60 ABS Relay


Relay Amp Usage
14 Anti-lock Brake System
15 Fog Lamps
16 Horn

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

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