Chevrolet Impala mk8 (Eighth Generation) 2000 – 2006 -fuse box diagram
Year of production: 2000, 2001, 2002, 2003, 2004, 2005, 2006
Driver’s Side Instrument Panel Fuse Block

| Circuit Relay | Description |
| RETAINED ACCESSORY PWR RELAY | Retained Accessory Power Relay |
| HEADLAMP RELAY | Headlamp Relay |
| RETAINED ACCESSORY PWR BRKR | Power Window, Sunroof Breaker |
| Mini Fuses | Description |
| PCM/BCM/CLSTR | Powertrain Control Module, Body Control Module, Cluster (Ignition 0) |
| WSW | Windshield Wipers, Windshield Washer |
| PCM (CRANK) | Powertrain Control Module (Crank) |
| CIG/AUX | Accommodated Device (Accessory) |
| BCM | Body Control Module (Accessory) |
| SRS | Supplemental Restraint System |
| ABS/PCM | Anti-Lock Brake System, Powertrain Control Module, Brake Switch, Crank Relay, Canister Vent Solenoid (Run, Crank) |
| STOP | Brake Lamps, Body Control Module (Run, Crank) |
| TURN SIGNAL | Turn Signal Flashers |
| CRUISE | Cruise Control Steering Column Controls |
| A/C CRUISE | HVAC Temp Door Motors & Module, Cruise Control Module |
| A/C FAN | HVAC Blower |
| STR COL | Steering Wheel Lighting |
| DR LK | Body Control Module, Door Lock Controls |
| PWR MIR | Power Mirrors |
| CLSTR/BCM | Cluster, Body Control Module, Data Link Connector (Battery) |
| LH HTD ST/BCM | Driver’s Heated Seat, Body Control Module, Battery Controlled Loads |
Passenger’s Side Instrument Panel Fuse Block

| Circuit Relay | Description |
| PARK LP RELAY | Parking Lamp Relay |
| BACKUP LP RELAY | Back-up Lamps Relay |
| BATT RUN DOWN PROTECTION RELAY | Battery Run Down Protection Relay |
| REAR DEFOG RELAY | Rear Defog Relay, Heated Mirror Relay |
| Circuit Breaker | Description |
| POWER SEATS BRKR | Power Seat Circuit Breaker |
| REAR DEFOG BRKR | Rear Defog Breaker |
| Mini Fuses | Description |
| RH HTD ST | Passenger Heated Seat |
| PWR DROP | Accommodated Device |
| B/U LP | Back-Up Lamps |
| DIC/RKE | Driver Information Center, Remote Keyless Entry, HVAC |
| TRK/ROOF BRP | Trunk Lamps, Headliner Lamps |
| HVAC BLO | HVAC Blower Relay |
| I/P BRP | Instrument Panel Footwell Lamps, Glovebox Lamps |
| HTD MIR | Heated Mirrors |
| BRK SW | Brake Switch |
| HAZ SW | Hazard Switch |
| FRT PRK LP | Front Parking Lamps |
| AUX PWR | Auxiliary Power Outlet (Battery) |
| C/LTR | Cigarette Lighter |
| RADIO | Radio, Radio Amplifier |
| REAR PARK LP | Rear Parking Lamps, Instrumentation Lighting |
Underhood Fuse Block #1
Fuse block is located on the passenger’s side of the engine compartment.

| Circuit Relay | Description |
| FUEL PUMP | Fuel Pump |
| DRL RELAY | Daytime Running Lamps |
| A.I.R. RELAY | Air Induction Reaction Relay |
| CRANK RLY | Starter (Crank) Relay |
| HORNS | Horn |
| FOG LTS | Fog Lamps |
| Maxi Fuses | Description |
| LEFT I/P | Left Bussed Electrical Center (Battery) |
| RT I/P #1 | Right Bussed Electrical Center (Battery) |
| RT I/P #2 | Right Bussed Electrical Center (Battery) |
| Mini Fuses | Description |
| HORN RLY | Horn Relay |
| FOG RLY | Fog Lamp Relay |
| F/PMP RLY | Fuel Pump Relay |
| DRL/EXIT LTS | Low (Left Front) & High (Left Front) Headlamps |
| EXT LTS | Low (Right Front) & High (Right Front) Headlamps |
| PCM | PCM Battery |
| A/C RLY (CMPR) | HVAC Compressor Relay & Generator |
Underhood Fuse Block #2

| Circuit Relay | Description |
| FAN CONT #3 | Secondary Cooling Fan (Passenger’s Side) |
| FAN CONT #2 | Cooling Fan Control Relay |
| FAN CONT #1 | Primary Cooling Fan (Driver’s Side) |
| IGN RELAY | Ignition Relay |
| A/C CMPR | HVAC Compressor |
| Maxi Fuses | Description |
| IGN SW | Ignition Switch |
| BLANK | Blank |
| U/HOOD #2 | Ignition Relay, AIR Pump |
| COOLING FANS | Cooling Fans (Battery) |
| Mini Fuses | Description |
| FAN CONT #2 & #3 | Cooling Fan Control Relays #2 & #3 |
| FAN CONT #1 | Cooling Fan Control Relays #1 |
| AIR PMP RLY | Air Induction Reaction Pump Relay (Battery) |
| FUEL INJ | Fuel Injectors |
| TRANS SOL | Transmission Solenoids |
| A/C RLY (COIL) | HVAC Control Relay |
| ENG DEVICES | Canister Purge Solenoid, Mass Air Flow Sensor (MAF), AIR Pump Relay & Valve Control |
| DFI MDL | Direct Fire Ignition Module |
| OXY SEN | Oxygen Sensors (Pre and Post Converter) |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
