The Cadillac DeVille from 1996 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 1996 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 1996 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 1996 Cadillac DeVille.
MUST READ: DYI – How to Check Car Fuses?
(1996) 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 1996 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: 1996
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 |
| INT LPS | Trunk Lamp, Courtesy Lamps, Front Vanity Lamps, Glove Box Lamp, Garage Door Opener, Courtesy Lamp Rela |
| CIG LTR 1 | Front Cigarette Lighter (Console Only), Rear Lighter |
| CIG LTR 2 | Right and Left Rear Cigarette Lighter |
| L HDLP LO | Left Low-Beam Headlamp |
| R HDLP LO | Right Low-Beam Headlamp, Light Emitting Diode (LED) on Headlamp Switch |
| L HDLP HI | Left High-Beam Headlamp |
| R HDLP HI | Right High-Beam Headlamp |
| SENSE | Heated Windshield Control (Optional) |
| 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 Module, Right and Left Turn Lamps, Back-up Lamps, Right and Left Front Turn Lamps, Right and Left Repeater Lamps (Export |
| STOP | Stoplamp Switch, Centered High-Mounted Stoplamp (CHMSL), Turn Hazard Switch, ABS Controller, Stepper Motor Cruise Control, Right and Left Rear Stoplamps |
| MIRROR | Inadvertent Power Relay, Outside Rearview Mirror, Data Line Connector (DLC), Flash-to-Pass Module |
| FOG/DRL | Daytime Running Lamp (DRL) Relay (Domestic Only), Fog Lamp Relay (Optional), Headlamp Switch, Right and Left Front Fog Lamps (Optional |
| IGN (ENG)* | Powertrain Control Module (PC1 |
| CRANK | Sensing and Diagnostic Module (SDM |
| ABS | Anti-Lock Brake System/Anti-Slip Regulation-5 (ABS/ASR-5) Controller |
| IGN 1 | Rear Ignition- 1 Relay, Front Fog Lamp Relay, Rear Lamp Relay (Export), Controlled Power Back-up Relay, DRL Relay (Domestic Only) |
| WIPERS | Accessory Relay, Wiper Switch, Cluster, Wiper Motor, wiper Pump |
| OXY SEN2* | 02 Sensor Rear, Catalytic Converter (CAT) Rear 09 Sensor |
| OXY SEN1* | 02 Sensor Front, CAT Front 02 Sensor |
| FUEL PUMP* | Engine Oil Pressure Indicator, PCM, Fuel Pump Relay, Fuel Pump |
| INJ* | Injectors 2,3,5,8 |
| INJ* | Injectors 1,4,6,7 |
| CRUISE | Stepper Motor Cruise Control, Park-Neutral Position Switch, Back-up Lamps, Electrochromatic Mirror, Brake-Transaxle Shift Interlock (BTSI) |
| DISTR* | Electronic Ignition Control |
| PCM (IGN)* | Powertrain Control Module (PCM) |
| ESC* | Transaxle Shift Solenoids, Mass Airflow, Low Refrigerant Cutoff Switch, Canister Purge, PCM, Linear Exhaust Gas Recirculation (EGR), Power Steering Press Switch, Front Ignition- 1 Relay |
| PCM (BAT)* | PCM |
| A/C COMP | AC Compressor Relay, Cooling Fan Relays 1,2,3, Compressor |
| * Do not alter OBD II related fuses or circuit breakers | |
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 Tie Dampening (RTD) Fuse, Convenience Fuse, BATT Fuse, Headlamp Wash Fuse (Export), Antenna Fuse, Park Lamp Relay, Right and Left Park Fuse |
| BODY 2 | Defog Relay, Pull-Down Fuse, Right and Left Heated Seat Fuse, Electronic Level Control (ELC) Fuse, Rear Defog Fuse, Heated Mirror Fuse |
| BODY 3 | Controlled Power Relay, Controlled Power Back-up Relay Mirror Fuse, Platform Zone Module (PZM) Fuse, Radiophone Fuse, Cluster Fuse, AMP Fuse Comfort Fuse |
| INADVERT | Inadvertent Power Relay, Brushless Blower Motor, Interior Lamps Fuse, Cigarette Lighter- 1 Fuse, Cigarette Lighter-2 Fuse |
| LAMPS | High/Low Beam Relay, Headlamp Relay, Fog LampDRL Fuse, Hazard Fuse, Mirror Fuse, Headlamp Fuse, Right and Left High Beam Fuse, Right and Left Low Beam Fuse, Stop Fuse |
| IGN 1 | Rear Ignition- 1 Relay, Wiper Fuse, Relay Ignition-1 Fuse, Supplemental Inflatable Restraint (SIR) Fuse |
| WINDOWS | Delayed Accessory Bus (DAB) Relay |
| SEATS | Horn Relay, Driver and Passenger Lumbar In/Out Relays, Driver and Passenger Up/Down Relays, Memory Seat Module, Driver and Passenger Power Seat Switch |
| BATT 3 | Ignition 0-Body Fuse, RTD Fuse, Ignition 0-Engine Fuse, Anti-Lock Brake System (ABS) Fuse, Turn Fuse, Console |
| BATT 2 | Starter Enable Relay, Park-Neutral Position Switch, Crank Fuse, Injector 1 and 2 Fuse, Engine Control System (ECS) Fuse, PCM Fuse, DIS Fuse, Ignition-1 Fuse, ACC Fuse |
| IGN 1* | Front Ignition- 1 Relay, Oxygen Sensor 1 and 2 Fuse, Fuel Fuse, Cruise Fuse |
| BATT 1 | Starter Relay, PCM Fuse, AC Compressor Fuse |
| BRAKES | ABS Brake Modulator |
| COOL FNS | Cooling Fan Relays 1,2,3 |
| * Do not alter OBD II related fuses or circuit breaker | |
Rear Compartment Fuse Block
| Fuse | Usage |
| RLY IGN 1 | SDM, Cluster, Cruise in Stalk, Brake Switch, PZM, Fuel Level Sensor, Catalytic Converter Overtemp Amplifier (Export) |
| SIR | SDM |
| RTD | RTD |
| IGN 0-BODY | PRNDL, Heated Windshield (Optional), PZM, Cluster, Air Control Module (ACM), Upper and Lower Zone Motor, HVAC Solenoids, Climate Control Panel (Optional), Rear Defog Relay, ELC Relay |
| TURN | Cornering Lamp Switch, Right and Left Cornering Lamps, Electronic Flasher Module, Turn/Hazard Switch, Right and Left Rear Turn Signal Lamps, Right and Left Front Turn Signal Lamps, Repeater Lamps (Expor |
| CONSOLE | Cellular Phone Portable Docking Station, Washer Circuit Boars, Heated Seat Switch, Rear Zone Blower, Right and Left Heated Seat Switches, Headlamp Wash Relay |
| COMFORT | CD Player, Remote Function Actuator (RFA), Controlled Power Relay, Air Control Module (ACM), PZM |
| AMP (Optional) | Right and Left Hand Bose Relay, Right Front and Rear Speaker (On Door), Left Front and Rear Speaker {On Door) |
| PZM | PZM |
| RADIO/PHONE | Radio Receiver, Radio Interface Module (RIM)(Bose Only), Phone, DAB Relay, Trunk Release Relay, Fuel Door Release Relay, High Beam Rela |
| CLUSTER | Steering Wheel Controls, Clust |
| ACC | EM, Electrwhromic Minor, Rain Sensor (Optional), Accessory Relay |
| RR DEFOG | Rear Defog |
| HTD MIR | Right and Left Outside Heated Mirror |
| HTD SEAT R | Passenger Heated Seat Relay |
| HTD SEAT L | Driver Heated Seat Rela |
| PULL DOWN | Trunk Pull-Down Motor |
| ELC | ELC Relav and Motor |
| ANTENNA | Power Mast Antenna |
| HDLP WASH | Headlamp Wash Relay (Export), Headlamp Wash Motor |
| CONVENC | Trunk Release Relay, Trunk Release Solenoid, Fuel Door Release Relay, Fuel Filler Door Release Solenoid, Door Lock Relay, Right and Left Front Door Motors, Right and Left Rear Door Motors, Door Unlock Rela |
| BATT | Driver and Passenger Seat Lumbar Switch, Lumbar Switch (Driver Seat Only), Memory Seat Modu |
| RTD | RTD Module |
| RT PARK | Front and Rear Park Lamps, Right Front and Rear Sidemarker Lamps, Headlamp Switch (Export), Rear Fog Lamp Relay (Export), HeadlamD Switch |
| LT PARK | Left Front and Rear Sidemarker Lamps, Right and Left Parking Lamps, |
| * Do not alter OBD II related fuses or circuit breakers | |
Conclusion
For owners and enthusiasts of classic Cadillac DeVille 1996, 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.
