The Cadillac DeVille from 1997 continued the legacy of being a luxurious and spacious sedan, known for its comfort and advanced features during its era. Its electrical system, which includes the fuse box and relay components, played a critical role in ensuring the vehicle’s functionality and reliability.
The fuse box in the 1997 Cadillac DeVille housed various fuses designed to protect specific electrical circuits throughout the car. These circuits powered essential components such as the engine control module, lighting systems, climate control, entertainment features, and more. Fuses were crucial as they would interrupt the electrical flow in case of an overload or short circuit, preventing damage to sensitive components.
Relays in the 1997 Cadillac DeVille served as electrically operated switches that controlled high-current circuits. They enabled precise activation and deactivation of functions like the starter motor, fuel pump, air conditioning compressor, and power windows or seats. Efficient management of power distribution by relays contributed significantly to the overall performance and reliability of the vehicle.
Regular inspection and maintenance of the fuse box and relays were necessary to ensure the Cadillac DeVille operated smoothly. This involved checking fuses for signs of wear or damage, ensuring secure relay connections, and promptly addressing any electrical issues that arose. Proper care of these components helped maintain the vehicle’s electrical integrity, enhancing safety and driving satisfaction for owners of the 1997 Cadillac DeVille.
MUST READ: DYI – How to Check Car Fuses?
(1997) Cadillac DeVille 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.
Cadillac DeVille 1997 fuse assignment
- Cigar lighter / power outlet fuses in the Cadillac DeVille are the fuses №. 22 and 23 in the Engine compartment fuse box and fuse №65 in the Rear Underseat fuse box.
Year of production: 1997
MaxiFuse/Relay Center
The MaxiFuses and relays are located next to the engine compartment fuse block on the driver’s side of the engine
| Fuse | Usage |
| BODY 1 | Real Time Dampening (RTD) Fuse, Convenience Fuse, BATT Fuse, Passenger and Driver Seat Belt Comfort Solenoids, Trunk and Fuel Door Release Solenoids and Relays, Door Lock/Unlock Relays, DPR Relay, Park Lamp Relay, Right and Left Park Fuse, Rear Fog Lamp Relay |
| BODY 2 | Defog Relay, Pull-Down Fuse, Right and Left Heated Seat Fuse, Electronic Level Control (ELC) FuseRelay, Antenna Fuse, Heated Mirror Fuse |
| BODY 3 | Controlled Power Relay, Controlled Power Back-up Relay, Cluster Fuse, Platform Zone Module (PZM) Fuse, Radio Fuse, DAB Relay, Trunk and Fuel Door Release Relay, High Beam Relay, Comfort Fuse, Controlled Power Relay, AMP Bose Only Fuse, Right and Left Bose Relay |
| INADVERT | Inadvertent Power Relay, Interior Lamps Fuse, Cigarette Lighter- 1 Fuse, Cigarette Lighter-2 Fuse |
| LAMPS | Headlamp Wash Relay (Export), Headlamps Fusemelay, High/Low Beam Control Relay, Fog LampDRL Fuse, Hazard Fuse, Mirror Fuse, Inadvertent Power Relay, Right and Left High Beam Fuse, Right and Left Low Beam Fuse, Stop Fuse, Fog Lamp Relay (DeVille Concours Only), DRL Relay |
| IGN 1 | Rear Ignition- 1 Relay, Wiper Fuse, Relay Ignition-1 Fuse, Supplemental Inflatable Restraint (SIR) Fuse, Accessory Rela |
| WINDOWS | Delayed Accessory Bus (DAB) Relay |
| SEATS | Horn Relay, Driver and Passenger Lumbar In/Out Relays, Driver and Passenger Upmown Relays |
| BATT 3 | Steering Column Ignition Switch |
| BATT 2 | Steering Column Ignition Switche |
| IGN 1* | Front and Rear Ignition- 1 Relay, BATT 2 Steering Column Ignition Switch BATT 3 Steering Column Ignition Switch Usage Oxygen Sensor 1 and 2 Fuse, Fuel Fuse, Cruise Fuse, DRL Relay, Front and Rear Fog Lamp Relay, Control Power Back-up Relay, Ignition- 1 Fuse |
| BATT 1 | Starter Relay and Solenoid, ParMRev Fuse, Park Relay, PCM Fuse, AC Compressor Fuse and Relay, Fan Relay |
| BRAKES | ABS Brake Modulator |
| COOL FNS | Cooling Fan Relays 1 and 3 |
| * Do not alter OBD II related fuses or circuit breaker | |
Engine compartment fuse block
The fuse block is located next to the air filter on the driver’s side of the engine
| Fuse name | Usage |
| DRL | Daytime Running Lamps (DRL) |
| COR LPS | Cornering Lamp Switch, Right and Left Cornering Lamps |
| INT LPS | Trunk Lamp, Courtesy Lamps, Front Vanity Lamps, Glove Box Lamp, Garage Door Opener, Courtesy Lamp Relay |
| CIG LTR 1 | Front and Rear Cigarette Lighters (Full Console Only) |
| CIG LTR 2 | Right and Left Rear Cigarette Lighters |
| L HDLP LO | Left Low-Beam Headlamp |
| R HDLP LO | Right Low-Beam Headlam |
| L HDLP HI | Left High-Beam Headlamp |
| R HDLP HI | Right High-Beam Headlamp |
| FOG | Right and Left Front Fog Lamps Relay (Deville Concours Only) |
| HDLPS | Headlamp Switch and Relay, High/Low Beam Control Relay, Right and Left Low Beam @-Beam), Right and Left High Beam |
| HAZARD | Electronic Flasher Module, Turn/Hazard Switch, Right and Left Front Turn Lamps, Right and Left Rear Turn Lamps, Right and Left Repeater Lamps (Export), Cluster |
| STOP | Stoplamp Switch, Turn Hazard Switch, ABS Controller, Stepper Motor Cruise Control, Right and Left Rear Stoplamps (Export) |
| MIRROR | Inadvertent Power Relay, Left Outside Rearview Mirror Switch, ALDL, Memory Mirror Module Dimmer Switch, Cluster |
| DRL | Daytime Running Lamp (DRL) Relay, Left and Right Low Beam in DRL Mode, DRL Switc |
| IGN (ENG)* | Powertrain Control Module (PCM) |
| ABS | Anti-Lock Brake System (ABS)/Traction Control System |
| IGN 1 | Rear Ignition-1 Relay, Front and Rear Fog Lamp Relays, Control Power Back-up, DRL Relay |
| WIPERS | Accessory Relay, Wiper Switch |
| A/C COMP | AC Compressor Relay, Cooling Fan Relays 1,2,3, Compressor |
| A/C COMP | A/C Compressor |
| PCM (BAT)* | PCM |
| PRK/REV | TCC and Exterior Travel Brake Switch, Revberse Relay, Electrochromic Mirror (in Header), Park Relay, Brake Transaxle-Shift Interlock (BTSI) Switch, BTSI, PZM |
| ECS* | Transaxle Shift Solenoids, Mass Airflow, Canister Purge, PCM, Linear Exhaust Gas Recirculation (EGR), Front Ignition- 1 Relay, Torque Converter |
| PCM (IGN)* | Powertrain Control Module (PCM) |
| DISTR* | Electronic Ignition Control Module |
| CRUISE | Stepper Motor Cruise Control, Power Steering Pressure Switch, Low Refrigerant Pressure Cutoff Switch, Park Relay |
| INJ* | Injectors 1, 4, 6, 7 |
| INJ* | Injectors 2, 3, 5, 8 |
| FUEL PUMP | PCM, Fuel Pump Relay, Fuel Pump |
| FUEL PUMP | Fuel Pump |
| OXY SEN1* | Oxygen Sensor Front, CAT Front Oxygen Sensor |
| OXY SEN2* | Oxygen Sensor Rear, Catalytic Convener (CAT) Rear Oxygen Sensor |
| * Do not alter OBD I1 related fuses or circuit breakers. | |
Rear Compartment Fuse Block
The fuse block is located on the front wall of the trunk (behind the rear seat) on the driver’s side.
| Fuse | Usage |
| RLY IGN 1 | Cluster, Cruise in Stalk, PZM, Catalytic Converter Overtemp Amplifier (Export), TCC Switch |
| SIR | SDM, Left and Right Door Sensor |
| ELC | ELC Relay, Vacuum Pump, ALC Sensor |
| TURN | Electronic Flasher, Turn/Hazard Switch |
| CONSOLE | Rear Zone Blower, Right and Left Heated Seat Switches (Optional) |
| BRAKE | Brake, Vacuum Pump (VP) Relay, VP Motor, VP Pressure Switch |
| RSS | CV-RTD (CV-RSS)(DeVille Concours Only) |
| IGN 0-BODY | PRNDL, Dual Zone Switch, PZM, Cluster, Air Control Module (ACM), Upper Zone Motor, Lower Zone Motor (Optional), HVAC Solenoids, Climate Control Panel Analog Cluster (Console Shift Only), |
| COMFORT | CD Player, Remote Keyless Entry (RKE), Controlled Power Relay, Air Control Module (ACM), PZM |
| AMP (Bose Only) (Optional) | Right and Left Hand Bose Relay, Right and Left Front Speakers (On Door), Right and Left Rear Speakers |
| PZM | PZM |
| RADIO/PHONE | Radio Receiver, Radio Interface Module (RIM)(Bose Only), Phone, DAB Relay, Trunk Release Relay, Fuel Door Release Relay, HighLow Beam Relay |
| CLUSTER | Steering Wheel Controls, Cluster |
| ACC | PZM, Electrochromic Mirror, Rain Sensor (Optional), Accessory Relay |
| HTD MIR | Right and Left Outside Heated Mirror |
| HTD SEAT R | Passenger Heated Seat Relay (Optional) |
| HTD SEAT L | Driver Heated Seat Relay (Optional) |
| PULL DOWN | Trunk Pull-Down Motor |
| HDLP WASH | Headlamp Wash Relay (Export), Headlamp Wash Motor |
| ANTENNA | Power Mast Antenna |
| RSS | CV-RTD Module (CV-RSS) (DeVille Concours Only) |
| CONVENC | Trunk Release Relay, Trunk Release Solenoid, Fuel Door Release Relay, Fuel Filler Door Release Solenoid, Door Lock Relay, Left Front Door Motors, PZM, Door Unlock Rel |
| BATT | Driver and Passenger Seat Lumbar Switch (Optional), Memory Seat Module |
| RSS | CV-RTD (CV-RSS) (DeVille Concours Only) |
| RT PARK | Headlamp Switches, Rear Fog Lamp Relay, Right Front and Rear Sidemarker Lamps, Right Rear Back-up Lamp (Export), Park Position Lamp (Export), Rear ParWTurn Lamps |
| LT PARK | Left Front and Rear Sidemarker Lamps, Front Parking Lamps, Left Turn/Stop/Tail Lamps, Right and Left License Plate Lamps, Park Position Lamp (Export) |
| * Do not alter OBD II related fuses or circuit breakers | |
Conclusion
For owners and enthusiasts of classic Cadillac DeVille 1997, understanding the fuse box and relay systems is essential 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 Cadillac’s craftsmanship and innovation in the automotive industry during that era.