Cadillac STS 2007 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 |
| AMP | Amplifier |
| INTERCOOLER PUMP (OPT) | Intercooler Pump (Option) |
| THEFT/SHIFTER | Theft Sensors, Auto Shifter, Power Sounder |
| MR-RTD MOD (OPT) |
Magnetic Ride Control Module (Option) |
| REAR DR MOD | Rear Door Modules |
| ELC SOL (OPT) |
Automatic Level Control, Exhaust Solenoid (Option) |
| DRIVER DR MOD |
Driver Door Module, Front Door SubWoofers (Option) |
| 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 (Option) |
| DPM | Memory Seat, Lumbar |
| TRUNK DR VALET |
Trunk Release, Valet Lockout Switch |
| REVERSE LAMP |
Reverse Lamps, Rear Parking Aid, Inside Rearview Mirror |
| AIR BAG | Airbag |
| POSITION LAMPS (OPT) |
Rear Taillamps |
| ELC RELAY (OPT) | Automatic Level Control (Option) |
| INTERCOOLER PUMP MICRO (OPT) | Intercooler Pump (Option) |
| ELC RELAY MINI (OPT) | Automatic Level Control 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, Inside Rearview Mirror |
| R POSITION RELAY MICRO | Right Rear Taillamp, Position Lamps (Option) |
| RUN RELAY MICRO |
Ignition 3 |
| STNDBY LAMP RLY MICRO (OPT) | Rear Taillamps, Position Lamps (Option) |
| SEATS C/B | Power Seat |
| SPARE | Spare |
| JOINT CONNECTOR | Splice Pack (Green) |
Passenger compartment fuse box (Passenger’s Side):
| Fuse/Relay Name | Functions |
| SPARE | Spare |
| 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 Rear Integration Module |
| RUN/CRANK | Ignition 1, Fog Lamps, Compressor Clutch, Engine Run/Crank Relays |
| HTD STG/CLM | Heated Steering Wheel, Column Lock Module |
| 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/ DIFF PUMP (OPT) | After Boil, Rear Differential Cooling Pump |
| RIM | Ignition to Rear Integration Module |
| 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/ DIFF PUMP RELAY MICRO (OPT | After Boil, Rear Differential Cooling Pump (Option) |
| WINDOW MTRS C/B |
Power Window Motors Circuit Breaker |
| TRUNK DIODE | Trunk Release |
| JOINT CONNECTOR | Splice Pack (Blue) |
Engine compartment fuse box:
| Fuse/Relay Name | Functions |
| BLOWER | Blower Motor |
| R REAR | Passenger’s Side Rear Fuse Block |
| I/P OUTLET | Front Accessory Power Outlet |
| CCP | Climate Control, Headlamp Leveling |
| PRE 02/CAM | Oxygen Sensor, Variable Intake (V6), Purge Solenoid (V6), Camshaft Phasers (V6) |
| R REAR | Passenger’s Side Rear Fuse Block |
| WPR SW | Wiper/Washer Switch |
| FOG LAMP | Fog Lamps |
| OUTLET | Rear Accessory Power Outlet |
| EVEN COILS | Even Ignition Coils, Even Fuel Injectors |
| L REAR | Driver’s Side 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 |
| RAIN SSR | Rain Sensor, Headlamp Washer, Tire Pressure Monitor |
| CCP | Climate Control |
| SMT BM-OPT | Intellibeam™ Relay (Option) |
| EXT LIGHTS | Low Beam Relay, High Beam Relay, Park Lamp Relay |
| VOLT CHECK | Instrument Panel Module |
| ECM/TCM | Engine Control Module (ECM), Transmission Control Module (TCM), Easy Key Module, Instrument Panel Cluster |
| SPARE | Spare |
| SPARE | Spare |
| LT PARK | Driver’s Side Park Lamp, Driver’s Side 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, Steering Column Switch |
| V8 ECM | V8 Engine Control Module (ECM), Evap. Solenoid, Vacuum Bypass |
| 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 Control Module (TCM), Instrument Panel, Engine Control |
| SPARE | Spare |
| MAF | Mass Air Flow Sensor (V6) |
| HIGH FAN | Cooling Fan - High Speed |
| LOW FAN | Cooling Fan - Low Speed |
| RT PARK | Passenger’s Side Park Lamp, Right Taillamp |
| HORN | Horn |
| LT HI BEAM | Driver’s Side Headlamp High Beam |
| LT LOW BEAM | Driver’s Side Headlamp Low Beam |
| RT LOW BEAM | Passenger’s Side Headlamp Low Beam |
| RT HI BEAM | Right Headlamp High Beam |
| HFV6 ECM | High Feature V6 Engine Control Module (ECM), Mass Air Flow Sensor (MAF) (V8) |
| HDLP WASH RELAY JUMPER -OPT |
Headlamp Washer |
| STARTER RELAY MINI | Starter |
| SPARE | Spare |
| FOG LAMP RELAY MICRO | Fog Lamps |
| CMP CLU RELAY MICRO | Air Conditioning Compressor Clutch |
| BLOWER RELAY MINI | Front Blower Motor |
| POWERTRAIN RELAY MICRO | Engine Controls |
| RUN/CRANK RELAY MICRO | Ignition 1, Starter, Washer Nozzle, Air Quality, Anti-lock Brake System, Climate Control Panel, Transmission Control Module, Instrument Panel Cluster, Mass Airflow Sensor, Engine Control Module |
| LOW SPEED FAN RELAY MINI | Cooling Fan Low Speed |
| ACCESSORY RELAY MINI | Ignition 3, Rain Sensor, Headlamp Washer, Windshield Wiper/Washer Module |
| PARK LAMP RELAY MICRO | Parking Lamps, Instrument Panel Dimming, Rear License Plate Lamps |
| HIGH BEAM RELAY MICRO | Headlamp High Beam |
| LOW BEAM RELAY/HID MINI-OPT | Low Beam/High Intensity Discharge |
| 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) |
| ENG W/H | Engine Harness Connection |
| BODY W/H | Body Harness Connection |
| BODY W/H | Body Harness Connection |
