The Chevrolet Impala (2006-2013) is a full-size sedan known for its refined design and advanced technology features. The vehicle’s electrical system is key to supporting its various modern components, with the fuse box and relays ensuring the safe operation of these systems.
The fuse box in the Chevrolet Impala is located in two primary areas: under the hood in the engine compartment and in the interior, typically on the passenger side under the dashboard. The engine compartment fuse box protects high-power circuits like the engine, cooling fans, and ABS, while the interior fuse box manages lower-power systems such as the infotainment system, interior lighting, and power windows. These fuses act as safeguards, preventing electrical overloads or short circuits from damaging the vehicle’s systems.
Relays in the Impala are critical components that serve as switches for high-current devices, such as the starter motor, fuel pump, and cooling fans. They enable these high-power systems to be controlled by lower-current circuits, ensuring efficiency and safety. Regular checks of both fuses and relays are essential for maintaining the vehicle’s electrical system and preventing potential malfunctions, ensuring the Impala continues to run smoothly.
MUST READ: DYI – How to Check Car Fuses?
(2006-2013) Chevrolet Impala 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.
Chevrolet Impala (2006-2013) fuse assignment
- Cigar lighter (power outlet) fuses in the Chevrolet Impala are located in the Instrument panel fuse box (see fuse “AUX” (Auxiliary Outlets)) and in the Engine Compartment Fuse Box (see fuse “AUX PWR” (Auxiliary Power)).
Year of production: from 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
Passenger compartment Fuse Box
Fuse box location
It is located in the front-passenger footwell, behind the cover.
Fuse box diagram
Assignment of the fuses and relay in the Passenger Compartment
| Name | Usage |
|---|---|
| AIRBAG | Airbags |
| AMP | Amplifier |
| AUX | Auxiliary Outlets |
| CNSTR | Canister |
| DR/LCK | Door Locks |
| HTD/SEAT | Heated Seats |
| PWR/MIR | Power Mirrors |
| PWR/SEAT | Power Seats |
| PWR/WNDW | Power Window |
| RAP | Retained Accessory Power |
| S/ROOF | Sunroof |
| TRUNK | Trunk |
| TRUNK | Trunk Relay |
| XM | XM Radio |
Engine Compartment Fuse Box
Fuse box location
It is located in the engine compartment (right-side).
Fuse box diagram
Assignment of the fuses and relay in the Engine Compartment
| Name | Usage |
|---|---|
| A/C CMPRSR | Air Conditioning Compressor |
| ABS MTR 1 | Antilock Brake System (ABS) Motor 1 |
| ABS MTR 2 | ABS Motor 2 |
| AIR PUMP | Air Pump |
| AIR SOL | Air Injection Reactor Solenoid |
| AIRBAG/ DISPLAY | Airbag, Display |
| AUX PWR | Auxiliary Power |
| BATT 1 | Battery 1 |
| BATT 2 | Battery 2 |
| BATT 3 | Battery 3 |
| BATT 4 | Battery 4 |
| BCM | Body Control Module (BCM) |
| CHMSL/ BCK-UP | Center High-Mounted Stoplamp, Back-up Lamp |
| DISPLAY | Display |
| DRL 1 | Daytime Running Lamps 1 |
| DRL 2 | Daytime Running Lamps 2 |
| ECM IGN | Engine Control Module (ECM), Ignition |
| ECM/TCM | ECM, Transmission Control Module (TCM) |
| EMISSIONS 1 | Emissions 1 |
| EMISSIONS 2 | Emissions 2 |
| ETC/ECM | Electronic Throttle Control, ECM |
| FAN 1 | Cooling Fan 1 |
| FAN 2 | Cooling Fan 2 |
| FOG LAMPS | Fog Lamps (If Equipped) |
| FSCM | Fuel SystemControl Module |
| FUEL/PUMP | Fuel Pump |
| HDLP MDL | Headlamp Module |
| HORN | Horn |
| HTD MIR | Heated Mirror |
| INJ 1 | Injector 1 |
| INJ 2 | Injector 2 |
| INT LIGHTS | Interior Lamps |
| INT LTS/ PNL DIM | Interior Lamps, Instrument Panel Dimmer |
| LT HI BEAM | Driver Side High-Beam Headlamp |
| LT LO BEAM | Driver Side Low-Beam Headlamp |
| LT PARK | Driver Side Parking Lamp |
| LT SPOT | Left Spot |
| LT T/SIG | Driver Side Turn Signal Lamp |
| ONSTAR | OnStar |
| PWR DROP/ CRANK | Power Drop, Crank |
| RADIO | Audio System |
| RT HI BEAM | Passenger Side High-Beam Headlamp |
| RT LO BEAM | Passenger Side Low-Beam Headlamp |
| RT PARK | Passenger Side Parking Lamp |
| RT SPOT | Right Spot |
| RT T/SIG | Passenger Side Turn Signal Lamp |
| RVC SEN | Regulated Voltage Control Sensor |
| STRG WHL | Steering Wheel |
| STRTR | Starter |
| VAC PUMP | Vacuum Pump |
| TRANS | Transmission |
| WPR | Wiper |
| WSW | Windshield Wiper |
| Relays | |
| A/C CMPRSR | Air Conditioning Compressor |
| FAN 1 | Cooling Fan 1 |
| FAN 2 | Cooling Fan 2 |
| FAN 3 | Cooling Fan 3 |
| FUEL/PUMP (VACUUM PUMP) | Fuel Pump/Vacuum Pump |
| PWR/TRN | Powertrain |
| REAR DEFOG | Rear Defogger |
| STRTR | Starter |
Conclusion
For owners and enthusiasts of classic Chevrolet Impala (2006-2013), 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 Chevrolet’s craftsmanship and innovation in the automotive industry during that era.
