Cadillac Eldorado (1999) – fuse box diagram
Year of production: 1999
MaxiFuse/Relay Center
The MaxiFuses and relays are located next to the engine compartment fuse block on the driver’s side of the engine.
| Maxi Fuse (8-Way) | Usage |
| BODY 1 | Road Sensing Suspension (RSS) Fuse (ETC Only), Convenience Fuse, BATT Fuse, Antenna Fuse, Passenger and Driver Seat Belt Comfort Solenoids, Trunk and Fuel Door Release Solenoids and Relays, Door Lock/Unlock Relays, Damper Relay (ETC Only), Parking Lamp Relay, Right and Left Park Fuse, Rear Fog Lamp Relay (Export) |
| BODY 2 | Defog Relay, Pull-Down Fuse, Right and Left Heated Seat Fuses, Electronic Level Control (ELC) Relay, Heated Mirror Fuse, Heated Backlite Fuse, ELC Circuit Breaker |
| BODY 3 | Controlled Power Relay, Controlled Power Back-Up Relay, Cluster Fuse, Passenger Zone Module (PZM) Fuse, Radio Fuse, DAB Relay, Trunk and Fuel Door Release Relay, High-Beam Relay, Comfort Fuse, AMP (Bose Only) Fuse, Right and Left Bose Relay |
| INADVERT | Inadvertent Power Relay, Interior Lamps Fuse, Cigarette Lighter- 1 Fuse, Courtesy Lamp Relay |
| LAMPS | Headlamps Fuse/Relay, High/Low Beam Control Relay, Fog Lamp Fuse, DRL Fuse, Hazard Fuse, Mirror Fuse, Inadvertent Power Relay, Right and Left High-Beam Fuse, Right and Left Low-Beam Fuse, Stoplamp Fuse, Fog Lamp Relay, DRL Relay |
| IGN 1 | Rear Ignition-1 Relay, Wiper Fuse, Relay Ignition-1 Fuse, Supplemental Inflatable Restraint (SIR) Fuse, Accessory Relay |
| WINDOWS | Delayed Accessory Bus (DAB) Relay |
| SEATS | Horn Relay, Driver and Passenger Lumbar In/Out Relays, Driver and Passenger Lumbar Up/Down Relays |
| Maxi Fuse (6-Way) | Usage |
| BATT 3 | Steering Column Ignition Switch |
| BATT 2 | Steering Column Ignition Switch |
| IGN 1 | Front Ignition-1 Relay, Oxygen Sensor 1 and 2 Fuse, Fuel Fuse, Cruise Fuse, Fuel Pump Relay |
| BATT 1 | Starter Relay and Solenoid, Park/Reverse Fuse, Park Relay, Powertrain Control Module (PCM) Fuse, AC Compressor Fuse and Relay, Fan Relays, Reverse Relay |
| BRAKES | Anti-Lock Brake System (ABS) Brake Modulator |
| COOL FNS | Cooling Fan Relays 1 and 3 |
| Power Distribution Block |
Usage |
| ACCESSORY | Accessories |
| HEAD LPS | Headlamps |
| HORN | Horn |
| FOG LPS | Fog Lamps |
| DRL | Daytime Running Lamps (DRL) |
| HI/LO BEAM | High and Low-Beam Headlamps |
| Relays |
| INADVERT POWER RELAY |
| IGN 1 RELAY |
| STARTER RELAY |
Engine Compartment Fuse Block
The underhood fuse block is located next to the air cleaner on the driver’s side of the engine. Lift the cover to gain access.
| Fuse | Usage |
| DRL | Daytime Running Lamps (DRL) |
| CNR 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 LTR1 | Front and Rear Cigarette Lighters |
| CIG LTR 2 | Right and Left Rear Cigarette Lighters |
| L HDLP LO | Left Low-Beam Headlamp |
| R HDLP LO | Right Low-Beam Headlamp |
| L HDLP HI | Left High-Beam Headlamp |
| R HDLP HI | Right High-Beam Headlamp |
| FOG | Front Fog Lamp Relay, Right and Left Front Fog Lamps, Headlamp Switch |
| HDLPS | Headlamp Relay, High/Low-Beam Control Relay, Right and Left Low/High-Beam Fuses |
| 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, Centered High-Mounted Stoplamp (CHMSL), 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 Switch |
| IGN 0 (ENG) | Powertrain Control Module (PCM) |
| SPARE | — |
| ABS | Anti-Lock Brake System (ABS)/Traction Control System |
| IGN- 1 | Rear Ignition-1 Relay, Front Fog Lamp Relay, Rear Fog Lamp Relay (Export), Controlled Power Backup Relay, DRL Rela |
| WIPERS | Accessory Relay, Wiper Switch |
| A/C COMP | AC Compressor Relay, Cooling Fan Relays 1, 2, 3, Compressor Clutch |
| PCM (BAT) | PCM |
| PARK/REV | Reverse Relay, Right and Left Back-Up Lamps, Electrochromic Mirror (in Header), Park Relay, Brake Transaxle-Shift Interlock (BTSI) Switch, Passenger Zone Module (PZM) |
| ECS | Transaxle Shift Solenoids, Mass Airflow, Canister Purge, PCM, Linear Exhaust Gas Recirculation (EGR), Front Ignition-1 Relay |
| PCM (IGN) | Powertrain Control Module (PCM) |
| DIS | 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 |
| OXY SEN1 | Oxygen Sensor Front |
| OXY SEN2 | Oxygen Sensor Rear, Catalytic Converter (CAT) Rear Oxygen Sensor |
| Relays |
| A/C COMP RELAY |
| FUEL PUMP RELAY |
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 IGN1 | Cluster, Cruise in Stalk, Passenger Zone Module (PZM), Traction Control System (TCC) Switch |
| SIR | Sensing and Diagnostic Module (SDM) |
| ELC | Electronic Level Control (ELC) Relay, ELC (AC) Compressor |
| TURN | Electronic Flasher, Turn/Hazard Switch |
| CONSOLE | Rear Zone Blower, Right and Left Heated Seat Switches (Optional) |
| BRAKE | Brakes |
| SPARE | — |
| RSS | Road Sensing Suspension (RSS) Module (ETC Only) |
| IGN 0-BODY | PRNDL, PZM, Cluster, Air Control Module (ACM), Upper Zone Motor, Lower Zone Motor (Optional), HVAC Solenoids, Climate Control Panel Analog Cluster, Rear Defog Relay, ELC Relay |
| 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, Bose Amplifier |
| PZM | Passenger Zone Module (PZM) |
| RADIO/PHONE | Radio Receiver, Radio Interface Module (RIM) (Bose Only), Phone, DAB Relay, Trunk Release Relay, Fuel Door Release Relay, High/Low-Beam Relay |
| CLUSTER | Steering Wheel Controls, Cluster |
| ACC | PZM, Electrochromic Mirror, Rain Sensor (Optional), Accessory Relay |
| SPARE | — |
| 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 Washers |
| ANTENNA | Power Mast Antenna |
| RSS | Damper Relay (ETC 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 Relay |
| BATT | Driver and Passenger Seat Lumbar Switch (Optional), Driver and Passenger Seat Belt Comfort Solenoid, Memory Seat Module |
| RSS | Road Sensing Suspension (RSS) Module (ETC Only) |
| RT PARK | Headlamp Switch, Right Front Parking Lamp, Right Front and Rear Sidemarker Lamps, Right Park Position Lamp (Export), Right Turn/Stop/Tail Lamps, Rear Fog Lamp Relay (Export), Right and Left Rear Fog Lamps (Export) |
| LT PARK | Left Front and Rear Sidemarker Lamps, Left Front Parking Lamp, Left Park Position Lamp (Export), Left Turn/Stop/Tail Lamps, Right and Left License Lamps, Underhood Lamp |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.