This article provides detailed fuse block diagrams for the first-generation Cadillac Catera, covering model years 1996, 1997, 1998, 1999, 2000, and 2001.
Fuses #14 and #16 in the passenger compartment fuse block protect the cigar lighter circuits.
Engine Compartment
The engine compartment fuse block is located on the driver’s side of the engine bay, adjacent to the battery.
Remove the cover to access the fuses and relays.
General overview.
Type 1
Engine compartment fuse block layout (Version 1).
| Diagram | |
|---|---|
|
|
| No. | Description |
| 1 | Secondary Air Injection Pump (Relay K12) |
| 2 | Cooling Fan Control (Relay K67) |
| 3 | Auxiliary Coolant Pump (Relay K22) |
| 4 | Windshield Wiper Motor (Relay K8) |
| 5 | A/C Compressor Relay (K60) |
| 6 | Cooling Fan Control Relay (K87) |
| 7 | Cooling Fan Control Relay (K26) |
| 8 | Fuse #50 |
| 9 | Cooling Fan Control Relay (K28) |
| 10 | Engine Controls Power Relay (K43) |
| 15 | Fuse #40 (A) |
| Fuse #52 (B) | |
| 16 | Connector C110 |
| 17 | Cooling Fan Test Connector |
| 18 | Fuse #42 (A) |
| Fuse #49 (B) | |
| 19 | Cooling Fan Control Relay (K52) |
| 20 | Fuel Pump Relay (K44) |
| 25 | Fuse #43 |
Type 2
Engine compartment fuse block layout (Version 2).
| Diagram | |
|---|---|
|
|
| No. | Description |
| 1 | Secondary Air Injection Pump (Relay K12) |
| 2 | Cooling Fan Control Relay |
| 3 | Auxiliary Coolant Pump (Relay K22) |
| 4 | Windshield Wiper Motor (Relay K8) |
| 5 | A/C Compressor Relay (K60) |
| 6 | Cooling Fan Control Relay (K87) |
| 7 | Cooling Fan Control Relay (K26) |
| 8 | Cooling Fan Control (Fuse #42) |
| 9 | Secondary Air Injection Pump (Fuse #49) |
| 10 | Engine Controls Power Relay (K43) |
| 12 | Cooling Fan Control (Fuse #40) |
| 15 | Cooling Fan Control (Fuse #52) |
| 16 | Connector C110 |
| 17 | Cooling Fan Control Relay (#K52) |
| 18 | Cooling Fan Control Relay (#K28) |
| 19 | Cooling 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 Relay (K48) |
| 39 | Cooling Fan Test Connector |
Passenger Compartment
The interior fuse block and relay panel are located behind the lower dash trim panel, below the steering column.
Access procedure. Relay Panel #2 is located to the right of the main fuse block.
Fuse Block #1
General overview.
| Diagram | |
|---|---|
|
|
| No. | Description |
| 1 | Left and Right Front Power Window Motors, |
| Left Front Power Window Switch | |
| 2 | Cruise Control Release Switch / Brake Light Switch |
| 3 | Automatic Transmission: Transmission Range (TR) Switch, Shift Indicator, Winter Mode Switch |
| Hazard Warning Switch and Power Steering Control Module | |
| Transmission Control Module (TCM) | |
| 4 | Power Rear Sunshade Motor / Left and Right Rear Heated Seat Cushion Relays |
| Accessory 12V Power Outlet | |
| 5 | Transmission Control Module (TCM) |
| 6 | Audio Amplifier |
| 7 | Left and Right Rear Power Window Motors |
| 8 | Headlight and Turn Signal Switch, Horn Relay, CD Changer, Multi-Function Relay |
| 9 | Windshield Wiper and Windshield Washer Switch / Windshield Wiper Motor and Relay |
| 10 | Body Control Module (BCM) |
| Auxiliary Heater Coolant Pump and Relay | |
| Cooling Fan Relays | |
| 11 | HVAC Control Module |
| Left and Right Power Outside Mirrors | |
| 12 | Hazard Warning Switch, |
| Instrument Panel Cluster (IPC), | |
| Data Link Connector (DLC), | |
| Brake Light Switch, | |
| Instrument Panel Cluster (IPC), | |
| HVAC Control Module. | |
| 13 | Power Mirror Switch, |
| A/C Compressor Relay, | |
| Cooling Fan Test Connector, | |
| A/C Load Switch | |
| 14 | Cellular Telephone Module, |
| Cigar Lighter Fuse (1996–1998) | |
| Heated Windshield Washer Nozzles | |
| Driver and Passenger Heated Seat Switches | |
| HVAC Control Module | |
| Heated Outside Mirror and Rear Defogger Relay | |
| 15 | Electronic Level Control (ELC) Air Compressor Relay |
| Instrument Panel Cluster (IPC) | |
| Instrument Panel Cluster (IPC) / Multi-Function Relay | |
| Cruise Control Switch | |
| Headlight Switch | |
| Heated Seat Relay (Passenger and Driver) | |
| Body Control Module (BCM) | |
| Power Sunroof / Moonroof Actuator | |
| Electronic Level Control (ELC) Sensor, | |
| Heated Rear Seat Switch and Cushion Relay (Left and Right) | |
| Driver Seat Adjuster Memory Module, | |
| Left Front Power Window Switch, | |
| Interior Rearview Mirror | |
| 16 | Front and Console Cigar/Cigarette Lighter Fuse (1999–2001) |
| 17 | Dual Horns (#1 and #2) |
| 18 | Fuel Pump Fuse |
| 19 | Electronic Brake Control Module (EBCM) / Traction Control System (TCS) |
| 20 | Heated Seat Relay (Passenger and Driver) |
| 21 | Daytime Running Lamp (DRL) Relay |
| Left High-Beam Headlight Relay | |
| 22 | Headlight Switch |
| Left Low-Beam Headlight | |
| 23 | Left Parking and Turn Signal Lights |
| Left Rear Side Marker Light | |
| Multi-Function Relay | |
| Left Brake and Tail Light | |
| 24 | Shift Interlock Solenoid, |
| Body Control Module (BCM) | |
| Instrument Panel Cluster (IPC) | |
| 25 | Power Sunroof / Moonroof Actuator |
| 26 | Headlight Switch, |
| Left and Right Front Side Marker Lights, | |
| Center High-Mounted Stop Light (CHMSL), | |
| Left and Right Rear License Plate Lights, | |
| Radio Module | |
| Automatic Transmission Shift Indicator | |
| HVAC Control Module | |
| 27 | Electronic Level Control (ELC) Sensor, |
| Electronic Level Control (ELC) Air Compressor and Relay | |
| 28 | Door Lock Relay |
| 29 | Multi-Function Relay |
| OnStar System Module | |
| 30 | Right Parking and Turn Signal Lights |
| Right Rear Side Marker Light | |
| Right Brake and Tail Light | |
| 31 | Right Low-Beam Headlight / Turn Signal Switch |
| 32 | Right High-Beam Headlight Relay |
| 33 | HVAC Blower Motor Controller |
| A/C Compressor Relay | |
| 34 | Heated Rear Defogger Relay |
| 35 | Passenger Seat Adjuster Switch, |
| Driver Seat Adjuster Memory Module | |
Relay Panel #2
General overview.
| Diagram | |
|---|---|
|
|
| No. | Description |
| I | Daytime Running Lamps (DRL) |
| II | Electronic Level Control (ELC) System |
| III | Rear Defogger, |
| Heated Outside Mirrors | |
| IV | Hazard Warning Flashers |
| V | High-Beam Headlights II (Right Side) |
| VI | Horn |
| VII | Parking Lights and Turn Signal Lights |
| VIII | Low-Beam Headlights |
| IX | Empty |
| X | Empty |
| XI | High-Beam Headlights I (Left Side) |
