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.