Cadillac STS 2005 Fuse Box Info
Passenger compartment fuse box location:
The fuse boxes are located under the rear seat of the vehicle.
Engine compartment fuse box location:
Fuse Box Diagram | Layout
Passenger compartment fuse box (Driver’s Side):
| Fuse/Relay Name | Functions |
| Spare | Spare |
| AMP | Amplifier |
| SPARE | Not Used |
| SPARE | Not Used |
| THEFT/SHIFTER | Theft Sensors, Auto Shifter |
| MR-RTD MOD (OPT) |
MR-CVRTD Suspension Module (Option) |
| REAR DR MOD | Rear Door Modules |
| ELC SOL (OPT) |
Exhaust Solenoid |
| DRIVER DR MOD |
Driver Door Module |
| TV/VICS | Infotainment (Export Only) |
| REAR HTD SEATS |
Rear Heated Seats |
| SPARE | Spare |
| SPARE | Spare |
| IGN3 | Front Passenger Heated Seat, Auto Shifter, Occupant Protection |
| RR SHLF SPEAKER |
Rear Shelf Speaker |
| DPM | Memory Seat, Lumbar |
| TRUNK DR VALET |
Trunk Release, Valet |
| REVERSE LAMP |
Reverse Lamps, Rear Parking Aid, Inside Rearview Mirror |
| AIR BAG | Airbag |
| POSITION LAMPS (OPT) |
Rear Taillamps |
| JOINT CONNECTOR |
Joint Connector |
| ELC RELAY (OPT) |
ELC Compressor (Option) |
| L POSITION RELAY MICRO | Left Rear Taillamp, Position Lamps (Option) |
| TRUNK DR REL RELAY MICRO | Trunk Release Motor |
| REV LAMP RELAY MICRO | Reverse Lamps, Rear Parking Aid |
| R POSITION RELAY MICRO | Right Rear Taillamp, Position Lamps (Option) |
| RUN RELAY MICRO |
Ignition 3 |
| STNDBY LAMP RLY (OPT) | Rear Taillamps, Position Lamps (Option) |
| SEATS C/B | Power Seat |
Passenger compartment fuse box (Passenger’s Side):
| Fuse/Relay Name | Functions |
| SPARE | Spare |
| TRUNK DIODE | Trunk Lamp |
| CANISTER VENT |
Canister Vent Solenoid |
| RT TURN-RIM | Right Turn Signal |
| SUNROOF (OPT) |
Sunroof Module (Option) |
| STOP LAMPS | Stoplamps |
| FUEL PUMP | Fuel Pump |
| RF HTD ST/S-BAND |
Front Passenger Heated Seat, S-Band Antenna |
| RADIO/ONSTAR | Radio/OnStar® |
| AIR BAG | Airbags |
| RIM | Battery to RIM |
| RUN/CRANK | Ignition 1 |
| HTD STG/CLM | Heated Steering Wheel |
| REAR DEFOG | Rear Defogger |
| INTERIOR LAMP |
Interior Lamps |
| PSG DR MOD | Front Passenger Door Module |
| LT TURN-RIM | Left Turn Signal |
| REAR FOG LAMP (OPT) |
Rear Fog Lamps (Option) |
| AFTERBOIL (OPT) |
After Boil Pump |
| RIM | Ignition to RIM |
| JOINT CONNECTOR |
Joint Connector |
| SPARE | Spare |
| REAR DEFOG RELAY MINI |
Rear Defog |
| FUEL PUMP RELAY MICRO |
Fuel Pump |
| REAR FOG LAMP RLY MICRO (OPT) |
Rear Fog Lamps (Option) |
| STOP LAMP RELAY MICRO |
Stoplamps |
| INT LAMP RELAY MICRO |
Interior Lamps |
| RUN/CRANK RELAY MICRO | Ignition 1 |
| AFTERBOIL RELAY MICRO (OPT) |
After Boil Pump (Option) |
| WINDOW MTRS C/B |
Power Window Motors Circuit Breaker |
Engine compartment fuse box:
| Fuse/Relay Name | Functions |
| BLOWER | Blower Motor |
| R REAR | Passenger’s Side Rear Fuse Block |
| I/P OUTLET | Front Auxiliary Outlet |
| CCP | Climate Control, Headlamp Leveling |
| PRE 02/CAM | Oxygen Sensor, CAM Phasers |
| ENG W/H | Engine W/H |
| R REAR | Passenger’s Side Rear Fuse Block |
| WPR SW | Wiper/Washer Switch |
| BODY W/H | Body W/H |
| FOG LAMP | Fog Lamps |
| OUTLET | Rear Auxiliary Outlet |
| EVEN COILS | Even Ignition Coils, Even Fuel Injectors |
| L REAR | Left Rear Fuse Block |
| WPR MOD | Wiper Module |
| POST 02 | Oxygen Sensor |
| COMP CLTCH | Air Conditioner Compressor Clutch |
| STARTER | Starter Solenoid |
| ABS | Anti-Lock Brake Pump |
| L REAR | Driver’s Side Rear Fuse Block |
| BODY W/H | Body W/H |
| RAIN SSR | Rain Sensor, Headlamp Washer, Tire Pressure Monitor |
| CCP | Climate Control |
| SMT BM-OPT | Smart Beam Relay (Option) |
| EXT LIGHTS | Low Beam Relay, High Beam Relay, Park Lamp Relay |
| VOLT CHECK | Instrument Panel Module |
| ECM/TCM | Engine Control Module, Transmission Control Module, Easy Key Module, Instrument Panel Cluster |
| SPARE | Spare |
| SPARE | Spare |
| LT PARK | Left Park Lamp, Left Taillamp |
| LIC DIMMING | License Plate, Instrument Panel Dimming |
| IPM ALDL | Instrument Panel Module Assembly Line Data Link Connector |
| HUD | Heads-Up Display, Column Lock Module |
| V8 ECM | V8 ECM, Evap Solenoid |
| ABS | Anti-Lock Brake Controller |
| STR RLY | Starter Relay |
| WASH NOZ/AQS |
Heated Washer Nozzles, Air Quality Sensor™ |
| ODD COILS | Odd Ignition Coils, Odd Fuel Injectors |
| TCM IPC | Transmission, Instrument Panel, Engine Control |
| SPARE | Spare |
| MAF | Mass Air Flow Sensor |
| HIGH FAN | Cooling Fan - High Speed |
| LOW FAN | Cooling Fan - Low Speed |
| RT PARK | Right Park Lamp, Right Taillamp |
| HORN | Horn |
| LT HI BEAM | Left Headlamp High Beam |
| LT LOW BEAM | Left Headlamp Low Beam |
| RT LOW BEAM | Right Headlamp Low Beam |
| RT HI BEAM | Right Headlamp High Beam |
| HFV6 ECM | High Feature V6 Engine Control Module |
| HDLP WASH RELAY JUMPER -OPT |
Headlamp Washer |
| STARTER RELAY MINI | Starter |
| SPARE | Spare |
| FOG LAMP RELAY MICRO | Fog Lamps |
| CMP CLU RELAY MICRO | A/C Compressor Clutch |
| BLOWER RELAY MINI | Front Blower Motor |
| POWERTRAIN RELAY MICRO | Engine Controls |
| RUN/CRANK RELAY MICRO | Ignition 1 |
| LOW SPEED FAN RELAY MINI | Cooling Fan Low Speed |
| ACCESSORY RELAY MINI | Ignition 3 |
| PARK LAMP RELAY MICRO | Parking Lamps |
| HIGH BEAM RELAY MICRO | High Beams |
| LOW BEAM RELAY/HID MINI-OPT | Low Beam/HID |
| HIGH SPEED FAN RELAY MINI | Cooling Fan High Speed |
| S/P FAN RELAY MINI |
Cooling Fan Series/Parallel |
| HORN RELAY MICRO |
Horn |
| SPARE | Spare |
| HDLP WASH C/B - OPT | Headlamp Washer (Option) |
