The Buick Regal 1996 represented a pinnacle of luxury and innovation in the Buick lineup during that era. This model integrated a variety of sophisticated electrical components, including the fuse box and relays, which were essential for managing and controlling the vehicle’s electrical systems.
The fuse box in the Buick Regal 1996 housed multiple fuses designed to protect electrical circuits from overloads and short circuits. These fuses were critical in safeguarding components such as headlights, taillights, power windows, and the stereo system. Understanding the location and function of each fuse was crucial for diagnosing and resolving electrical issues effectively.
Relays in the Buick Regal 1996 served as electrically operated switches that controlled the flow of electricity to specific components. These relays were integral to systems such as the starter motor, fuel pump, cooling fans, and other vital components, ensuring reliable operation and optimal performance. Proper functioning of relays was essential for maintaining the vehicle’s overall functionality and reliability.
In addition to these components, the Buick Regal 1996 boasted advanced electrical technologies for its time, including electronic climate control, power-adjustable seats, and a premium audio system. These features relied on a robust electrical infrastructure to deliver comfort and convenience to both driver and passengers.
(1996) Buick Regal fuse box and relay with Diagram
WARNING
- Never replace a fuse with one that has a higher amperage rating.
- A fuse with a too-high amperage could damage the electrical part and cause a fire.
- On no account should fuses be repaired (e.g. patched up with tin foil or wire) as this may cause serious damage elsewhere in the electrical circuit or cause a fire.
- If a fuse blows repeatedly, do not keep replacing it. Instead, have the cause for the repeated short circuit or overload tracked and fixed.
- Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
Buick Regal 1996 fuse assignment
Year of production: 1996
Instrument Panel Fuse Block
Some fuses are located in a fuse block on the passenger’s side of the instrument panel.
| Circuit Breakers | Usage |
| C | Power Windows |
| D | Power Seat |
| Fuses | Usage |
| 1 | CIGAR LIGHTER — Instrument Panel Cigarette Lighter |
| 3 | DRL MDL |
| 4 | HVAC #2 — HVAC Control Assembly, Solenoid Box |
| 5 | HAZARD FLASHER |
| 6 | POWER ACCESSORY #2 — Sunroof Control Unit |
| 7 | LOCK CONTROL — Door Lock Relay |
| 10 | I/P ELECTRONICS BATTERY FEED — Chime Module, Electronic Brake Control Module (EBCM), Theft-Deterrent Module, Radio, Radio Amplifier, Trip Computer |
| 11 | STARTER RELAY |
| 12 | ANTI-THEFT — Theft-Deterrent Module |
| 13 | ABS — Electronic Brake Control Module (EBCM), ABS Relay |
| 14 | HVAC BLOWER MOTOR — Blower Motor Relay |
| 15 | HVAC #1 — Air Temperature Valve Motor: Trip Computer, Daytime Running Lamps Module (DRL), HVAC Control Assembly, Multifunction Lever Cruise Control Switch |
| 16 | REAR DEFOG — HVAC Control Assembly Rear Window Defogger Switch |
| 19 | POWER ACCESSORY #1 — Antenna Relay, Power Mirror Switch, Door Lock Switches, Door Handle Switches, Trunk Courtesy Lamp |
| 21 | AIR BAG SYSTEM |
| 23 | STOPLAMPS — TCC/Brake Switch |
| 24 | CRUISE CONTROL |
| 28 | CTSY LAMPS — Vanity Mirrors, T/P Courtesy Lamps, I/P Compartment Lamp, Header Courtesy and Reading Lamp, I/S Lighted Rearview Mirror, Dome and Reading Lamps, Quarter Courtesy Lamps |
| 29 | WIPER — Wiper Switch |
| 30 | TURN SIGNAL — Turn Signal Flasher |
| 32 | POWER LOCKS — Door Lock Relay |
| 37 | AUXILIARY POWER |
| 38 | RADIO — Radio, Steering Wheel Radio Switches |
| 39 | I/P ELECTRONICS IGNITION FEED — Headlamp Switch, Cruise Control Cut-Out Switch, Air Bag System, TCC/Brake Switch, Instrument Cluster, Chime Module, Second-Gear Start Switch, Daytime Running Lamps Module (DRL) |
Underhood Electrical Center — Passenger’s Side
Some fuses and relays are located in the underhood fuse block on the passenger’s side of the vehicle in the engine compartment.
| Fuses | Usage |
| R/CMPT REL | Remote Trunk Release |
| ECM BAT | Powertrain Control Module (PCM), Fuel Pump, Fuel Pump Relay, Fan Cont #1 Relay |
| A/C CONT | A/C CMPR Relay (VIN M only) |
| TCC | Automatic Transaxle, Transaxle Range Switch |
| F/IN J N | Fuel Injectors |
| ECM IGN | Powertrain Control Module (PCM), EGR, CCP, VAPSW, Mass Air Flow (MAF) Sensor (VIN X only), Oxygen Sensor, Vac Canister Switch, Fan #2 Relay |
| ELEK IGN | Electronic Ignition (EI) Control Module |
| 10 | I/P Fuse Block |
| 11 | FAN CONT #I Relay |
| 12 | Passenger’s Side Underhood Electrical Center and I/P Fuse Blocks: Fuses 5, 14,23 and 32 |
| 13 | FAN CONT #2 Relay and UP Fuse Block: Fuse 16, Power Seat Circuit Breaker “D” |
| Relays | Usage |
| 14 | FUEL PUMP |
| 15 | A/C CMPR |
| 16 | FAN CONT #2 — Secondary Cooling Fan (Passenger Side) |
| 17 | FAN CONT #I — Primary Cooling Fan (Driver Side) |
| 18 | Ignition Relay |
Underhood Electrical Center — Passenger’s Side
Additional fuses are in the underhood electrical center on the driver’s side of the engine compartment.
| Fuses | Usage |
| PARK LPS | Headlamp Switch |
| HORN | Horn Relay, Underhood Lamp |
| VAR P/S | EVO Steering |
| ABS | Anti-Lock Brake System |
| 10 | IGN SW2 — I/P Fuse Block: PWR WDO and Circuit Breaker “D”; Passenger’s Side Underhood Electrical Center: TCC and ENG EMIS Fuses |
| 11 | IGN SW1 — I/P Fuse Block: Radio, Wiper, HVAC, ABS and Turn Signal Fuses; Passenger’s Side Underhood Electrical Center: F/IJN, ECM IGN and ELEK IGN Fuses |
| 12 | HD LPS — Circuit Breaker to Headlamp Switch |
| 13 | ABS — ABS Relay |
| Relay | Usage |
| 14 | ABS — Anti-Lock Brake System |
| 16 | HORN |
Conclusion
For owners and enthusiasts of the Buick Regal 1996, understanding the fuse box and relay systems was crucial for vehicle maintenance. Regular inspection and maintenance of these components helped ensure the vehicle’s longevity and reliability, preserving its status as a symbol of luxury and innovation in the automotive industry during that period.
