Cadillac Catera (1998) – fuse box diagram
Year of production: 1998
Instrument Panel Fuse Block (Driver’s Side)
The fuse block is located below the steering wheel on the driver’s side.
| Fuse | Usage |
| 1 | RH and LH Front Side Door Window Regulator Motor, LH Front Side Door Window Switch |
| 2 | Stoplamp Switch |
| 3 | Automatic Transmission Range Switch and Control Indicator, Power Steering Control Module, Hazard Warning Switch, Automatic Transmission Winter Mode Switch |
| 4 | RH and LH Rear Seat Cushion Heater Relay |
| 5 | Transmission Control Module |
| 6 | Radio Speaker Amplifier |
| 7 | RH and LH Rear Side Door Window Regulator Motor |
| 8 | Headlamp Switch, Turn Signal Switch, Horn Relay, CD Changer, Multifunction Rela |
| 9 | Windshield Wiper Motor and Relay, Windshield Wiper and Windshield Washer Switch |
| 10 | Body Control Module (BCM), Heater Water Auxiliary Pump, Fan Control Relays, ECM Relay, Auxiliary Water Pump Relay |
| 11 | Heater and A/C Control, RH and LH Outside Rearview Mirrors, Outside Remote Control Rearview Mirror Switch |
| 12 | Hazard Warning Switch, Instrument Cluster, Data Link Connector (DLC), Stoplamp Switch, Gage Cluster, Heater and A/C Control |
| 13 | Remote Control Outside Rearview Mirror Switch, A/C Compressor Relay, Coolant Fan Test Connector, A/C Load Switch |
| 14 | Cellular Telephone, RH and LH Windshield Washer Nozzle, Driver and Passenger Heated Seat Switch, Heater and A/C Control, Heated Outside Rearview Mirror and Rear Window Defogger Relay |
| 15 | Rear Suspension Leveling Air Compressor Relay, Instrument Cluster, Gage Cluster, Cruise Control Switch and Module, Headlamp Switch, Multifunction Relay, Passenger and Driver Heated Seat Relay, BCM, Sunroof Actuator, Automatic Level Control Sensor, RH and LH Heated Rear Seat Switch and Cushion Relay, Driver Seat Adjuster Memory Module, LH Front Side Door Window Switch, Inside Rearview Mirror |
| 16 | Cigarette Lighter (Front and Console) |
| 17 | Horn #I and #2 |
| 18 | Fuel Pump |
| 19 | Electronic BrakeD’raction Control Module |
| 20 | Passenger and Driver Heated Seat Relay |
| 21 | Daytime Running Lamp (DRL) Relay, LH High-Beam Headlamp Relay |
| 22 | Headlamp Switch, LH Headlamp (Low Beam) |
| 23 | LH Parking Lamp and Turn Signal Lamp, LH Rear Sidemarker Lamp, Multifunction Relay, LH Stoplamp and Taillamp |
| 24 | Lifting Magnet, BCM, Gage Cluster |
| 25 | Sunroof Actuator |
| 26 | Headlamp Switch, RH and LH Front Sidemarker Lamp, Middle Taillamp, RH and LH Rear License Plate Lamp, Radio, Automatic Transmission Control Indicator, Heater and A/C Control |
| 27 | Automatic Level Control Sensor, Rear Suspension Leveling Air Compressor and Relay |
| 28 | Remote Control Door Lock Receiver, Door Lock Relay, Rear Compartment Lid Release Connector (Not Used) |
| 29 | Multifunction Rela |
| 30 | RH Parking Lamp and Turn Signal Lamp, RH Rear Sidemarker Lamp, RH Stoplamp and Taillamp |
| 31 | RH Low-Beam Headlamp Turn Signal Switch |
| 32 | RH High-Beam Headlamp Relay |
| 33 | Blower Controller, A/C Compressor Relay |
| 34 | Heated Rear Window Defogger Relay, Heated Outside Rearview Mirror |
| 35 | Passenger and Driver Seat Adjuster Switch, Driver Seat Adjuster Memory Module |
Instrument Panel Fuse Block (Passenger’s Side)
The relay box is located on the lower part of the instrument panel, to the right of the steering column.
instrument panel (passenger’s side)
| Fuse/Relay | Usage |
| I | High-Beam Headlamps I (LH) |
| II | Automatic Level Control |
| III | Rear Window Defog, Heated Mirrors |
| IV | Hazard Warning Flashers |
| V | High-Beam Headlamp II (RH) |
| VI | Horn |
| VII | Parking Lamps and Turn Signal Lam |
| VIII | Low-Beam Headlamps |
| IX | — |
| X | — |
| XI | Daytime Running Lamps |
Engine Compartment Relay Center
The relay center is located next to the battery on the driver’s side of the engine. Lift the cover to access.
| Fuse/relay | Usage |
| 1 | Secondary Air Injection Pump (Relay K12) |
| 2 | Fan Control (Relay K67) |
| 3 | Auxiliary Water Pump (Relay K22) |
| 4 | Windshield Wiper Motor (Relay K8) |
| 5 | A/C Compressor (Relay K60) |
| 6 | Fan Control (Relay K87) |
| 7 | Fan Control (Relay K26) |
| 8 | Fan Control (Fuse 42) |
| 9 | Secondary Air Injection Pump (Fuse 49) |
| 10 | Engine Controls Power (Relay K40) |
| 12 | Fan Control (Fuse 40) |
| 15 | Fan Control (Fuse 52) |
| 16 | Connector C11 |
| 17 | Fan Control (Relay K52) |
| 18 | Fan Control (Relay K28) |
| 19 | Fan Control Relay, Engine Control Module (ECM) Relay (Fuse 50) |
| 20 | Fuel Pump (Relay K44) |
| 27 | Heated Oxygen Sensors (Fuse 43) |
| 28 | Engine Control Module (ECM) (Fuse 60) |
| 29 | Engine Control Module (ECM) (Relay K48) |
| 39 | Coolant Fan Test Connect |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.