Buick Riviera (1993) fuse box and relay Diagrams
The Buick Riviera of 1993 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 Riviera 1993 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 is crucial for diagnosing and resolving electrical issues effectively.
Relays in the Buick Riviera 1993 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 is important for maintaining the vehicle’s overall functionality and reliability.
In addition to these components, the Buick Riviera 1993 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.
(1993) Buick Riviera 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 Riviera 1993 fuse assignment
Year of production: 1993
Passenger compartment (left side)
There is a fuse panel is located on the left side ofthe console under a carpeted
panel cover.
| Fuses | Ampere rating [A] | Usage |
| 1 | 10A | ISO-IGN |
| 2 | 20A | Body |
| 3 | 10A | Antenna |
| 4 | 20A | Cigar |
| 5 | 10A | BCM/IPC |
| 6 | 20A | Stop/Hazard |
| 7 | 15A | Turn Signal |
| 8 | 3A | Cruise |
| 9 | 10A | HVAC |
| 10 | 20A | Park Light |
| 11 | 15A | Radio 1 |
| 12 | 25A | Wiper |
| 13 | 10A | Radio 2 |
| 14 | 15A | SIR |
| 15 | 25A | Bose |
| 16 | 3A | Crank |
| 17 | 20A | Trunk-rel/Pull Down & Fuel Door Re1 |
| 18 | 10A | AIC |
| 19 | 20A | Ele Compressor |
| 20 | 5A | Coolant Fan |
Right side
The fuse block is located on the right side of the console under a carpeted panel cover.
| Fuse | Ampere rating [A] | Usage |
| 1 | — | — |
| 2 | 25A | Defog |
| 3 | 15A | Keyless Entry |
| 4 | 10A | Anti-lock |
| 5 | 10A | PCM/lgnition |
| 6 | 15A | PCM Solenoid |
| 7 | 15A | Neutral Start Safety Switch |
| 8 | 15A | IGN MOD |
Conclusion
For owners and enthusiasts of the Buick Riviera 1993, understanding the fuse box and relay systems is 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.