Buick Roadmaster (1993) – fuse box diagram
Year of production: 1993
Fuses and Circuit Breakers
Fuse Usage (Wagon)
| Fuse | Ampere rating [A] | Usage |
| 1 | 15 | Horn Relay, Underhood Lamp, Interior Courtesy Lighting, Power Antenna Relay, Power Door Lock Switches, Power Mirror Switch, Vanity Mirrors Lamps, Rear Glass Release Relay, Rear Glass Release/Tailgate Lock Switch, Rear Glass Interlock/Push Button Switch |
| 2 | 15 | Audio Alarm Module, Cigar Lighter, I/P Compartment Lamp, Rear Wiper Motor Module, Radio, Instrument Cluster, Low Oil Module |
| 3 | 10 | Electronic A/C Control Assembly (C68), Rear Deffoger Relay (C68) |
| 4 | 25 | Electronic Level Control Compressor Assembly, Height Sensor Assembly |
| 5 | 7,5 | Interior Dimmer Lighting |
| 6 | 20 | Generator, Electronic A/C Control Assembly, Solenoid Module, A/C Control Relay, Heater and A/C Control Assembly |
| 7 | 30 | Electronic A/C Power Module (C68) |
| 8 | 15 | Rear Window Wiper/Washer Switch |
| 9 | 10 | Radio |
| 10 | 25 | Windshield Wiper/Washer Switch, Washer Fluid Level Switch |
| 11 | 7,5 | Fuel Injectors |
| 12 | 10 | Arming Sensor, Diagnostic Energy Reserve Module (DERM) |
| 13 | 10 | Engine Control Module, Knock Sensor Module, Emission Control Solenoids, Instrument Cluster, Vehicle Speed Sensor Module |
| 14 | 15 | Park/Marker/Tail Lights |
| 15 | 30 | Rear Defogger |
| 16 | 7,5 | Heated Mirrors |
| 17 | 15 | Audio Alarm Module, Defogger Relay/Timer, Diagnostic Energy Reserve Module (DERM), Electronic Compass , Low Coolant Module, Fluid Warning Center, Headlight Switch ilumination Lamp, Height Sensor Assembly, Instrument Cluster Keyless Entry Receiver, Torque Converter Clutch/Cruise Release Switch, Twilight Sentinel Module, Daytime Running Lights Module |
| 18 | 15 | Backup Lights, Turn Signal Flasher, Cruise Control, Electronic Brake Control Module |
| 19 | 20 | Brake Light, Hazard Flasher |
| 20 | 5 | Diagnostic Energy Reserve Module (DERM), Engine Control Module (EMC) |
| Circuit Breaker | Ampere rating [A] | Usage |
| A | 30 | Keyless Entry Module, Power Seat Switches, Power Door Lock Relay |
| C | 30 | Master Power Window Switch, Window Lockout Switch |
Fuse Usage (Sedan)
| Fuse | Ampere rating [A] | Usage |
| 1 | 15 | Underhood Lamp, Interior Courtesy Lighting, Power Antenna Relay, Power Door Lock, Power Mirror, Vanity Mirrors |
| 2 | 15 | Audio Alarm Module, Cigar Lighter, I/P Compartment Lamp, Luggage Compartment Lamp, Radio Module, Trunk Lid Release Relay, Low Oil Module |
| 3 | 10 | Electronic A/C Control Assembly, Rear Deffoger Relay |
| 4 | 25 | Electronic Level Control Compressor Assembly, Height Sensor Assembly |
| 5 | 7,5 | Interior Dimmer Lighting |
| 6 | 20 | Generator, Electronic Heater and Air Conditioning Control, Daytime Running Lamghts, Variable Effort Steering Controller, A/C Control Relay |
| 7 | 30 | Electronic A/C Power Module |
| 8 | 25 | Trunk Lid Pull-Down Unit, Horn Relay |
| 9 | 10 | Radio |
| 10 | 25 | Windshield Wiper/Washer Switch, Washer Fluid Level Switch |
| 11 | 7,5 | Fuel Injectors |
| 12 | 10 | Arming Sensor, Diagnostic Energy Reserve Module (DERM) |
| 13 | 10 | Engine Control Module, Knock Sensor Module, Emission Control Solenoids, Instrument Cluster, Vehicle Speed Sensor Module |
| 14 | 15 | Park/Marker/Tail, Interior Lights |
| 15 | 30 | Rear Defogger |
| 16 | 7,5 | Heated Mirrors |
| 17 | 15 | Audio Alarm Module, Defogger Relay/Timer, Diagnostic Energy Reserve Module (DERM), Electronic Compass , Height Sensor Assembly, Instrument Cluster Keyless Entry Receiver, Torque Converter Clutch/Cruise Release Switch, Twilight Sentinel Module or Daytime Running Lights Module, Headlight Switch Illumination Lamp, Low Coolant Module, Fluid Warning Center, Instrument Cluster |
| 18 | 15 | Backup Lights, Turn Signal Flasher, Cruise Control, Electronic Brake Control Module |
| 19 | 20 | Brake Light, Hazard Flasher |
| 20 | 5 | Diagnostic Energy Reserve Module (DERM), Engine Control Module |
| Circuit Breaker | Ampere rating [A] | Usage |
| A | 30 | Power Seat Switches, Power Door Lock Relay, Keyless Enetry Receiver |
| C | 30 | Master Power Window Switch, Window Lockout Switch |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.