The Chevrolet Monte Carlo (2000-2005) is a stylish coupe that offers a blend of performance and comfort, widely appreciated for its sporty appeal. The vehicle’s electrical system is vital for its functionality, depending heavily on fuse boxes and relays to manage and protect various components.
The fuse box in the Chevrolet Monte Carlo from this era is generally located in two places: under the hood in the engine compartment and inside the cabin, usually on the passenger side, behind a panel. The engine compartment fuse box handles high-current circuits such as those for the engine, transmission, and anti-lock brakes, while the interior fuse box is responsible for lower-current circuits like power windows, interior lighting, and the audio system. These fuses are designed to prevent electrical damage by breaking the circuit in the event of a short or overload.
Relays in the Monte Carlo serve as switches for high-power circuits, including the starter, fuel pump, and cooling fans. Relays allow these components to be controlled by lower-power circuits, enhancing safety and efficiency. Regular maintenance of both the fuses and relays is crucial for avoiding electrical failures and ensuring the vehicle continues to operate smoothly and reliably.
MUST READ: DYI – How to Check Car Fuses?
(2000-2005) Chevrolet Monte Carlo 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 Monte Carlo (2000-2005) fuse assignment
- Cigar lighter / power outlet fuses in the Chevrolet Monte Carlo are located in the Driver’s Side Instrument panel fuse box (see fuses “CIG/AUX”) and in the Passenger’s Side Instrument panel fuse box (see fuses “AUX PWR” (Accessory Power Outlet) and “C/LTR” (Cigarette Lighter)).
Year of production: from 2000, 2001, 2002, 2003, 2004, 2005
Fuse box location
Instrument Panel Fuse Box №1 (Driver’s Side)
It is located on the driver’s side of the instrument panel, behind the cover.
Instrument Panel Fuse Box №2 (Passenger’s Side)
It is located on the passenger’s side of the instrument panel, behind the cover.
Engine Compartment
There are two fuse blocks that are located in the engine compartment, on the passenger’s side.
Fuse box diagrams
2000, 2001, 2002, 2003
IP Fuse Box №1, Driver’s Side
Assignment of the fuses in the Instrument Panel Fuse Box №1 (2000-2003)
| Name | Description |
|---|---|
| PCM/BCM/CLS TR | 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 |
| Circuit Breaker | |
| RETAINED ACCESSORY PWR RELAY | Power Window, Sunroof Breaker |
| HEADLAMP RELAY | Headlamp Relay |
| RETAINED ACCESSORY PWR BRKR | Power Window, Sunroof Breaker |
IP Fuse Box №2, Passenger Side
Assignment of the fuses and relay in the Instrument Panel Fuse Box №2 (2000-2003)
| Name | 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 |
| REAR PRK LP | Rear Parking Lamps |
| AUX PWR | Accessory Power Outlet (Battery) |
| C/LTR | Cigarette Lighter |
| RADIO | Radio, Radio Amplifier |
| FRT PARK LP | Front Parking Lamps, Instrumentation Lighting |
| Circuit Relay | |
| 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 | |
| POWER SEATS BRKR | Power Seat Circuit Breaker |
| REAR DEFOG BRKR | Rear Defog Breaker |
Engine Fuse Box №1, Upper
Assignment of the fuses and relay in the Engine Compartment Fuse Box №1 (2000-2003)
| Name | Description |
|---|---|
| HORN RLY | Horn Relay |
| BLANK | Blank |
| BLANK | Blank |
| 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 |
| Maxi Fuses | |
| 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) |
| U/HOOD #1 | Underhood (Top) Electrical Center |
| Circuit Relay | |
| 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 |
Engine Fuse Box №2, Lower
Assignment of the fuses and relay in the Engine Compartment Fuse Box №2 (2000-2003)
| Name | Usage |
|---|---|
| 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) |
| Maxi Fuses | |
| IGN SW | Ignition Switch |
| BLANK | Blank |
| U/HOOD #2 | Ignition Relay, AIR Pump |
| COOLING FANS | Cooling Fans (Battery) |
| Circuit Relay | |
| 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 |
2004, 2005
IP Fuse Box №1, Driver’s Side
Assignment of the fuses and relay in the Instrument Panel Fuse Box №1 (2004, 2005)
| Name | Description |
|---|---|
| PCM/BCM/CLS TR | 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 |
| AC/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 |
| Circuit Breaker | |
| RETAINED ACCESSORY PWR BRKR | Power Window, Sunroof Breaker |
| Relays | |
| RETAINED ACCESSORY PWR RELAY | Retained Accessory Power Relay |
| HEADLAMP RELAY | Headlamp Relay |
IP Fuse Box №2, Passenger Side
Assignment of the fuses and relay in the Instrument Panel Fuse Box №2 (2004, 2005)
| Name | 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 |
| REAR PRK LP | Rear Parking Lamps |
| AUX PWR | Accessory Power Outlet (Battery) |
| C/LTR | Cigarette Lighter |
| RADIO | Radio, Radio Amplifier |
| FRT PARK LP | Front Parking Lamps, Instrumentation Lighting |
| Circuit Breaker | |
| PWR SEATS BRKR | Power Seat Circuit Breaker |
| REAR DEFOG BRKR | Rear Defog Breaker |
| Relay | |
| 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 |
Engine Fuse Box №1, Upper
Assignment of the fuses and relay in the Engine Compartment Fuse Box №1 (2004, 2005)
| Name | Description |
|---|---|
| LEFT I/P | Left Fuse Block |
| RT I/P #1 | Right Fuse Block (Battery) |
| RT I/P #2 | Right Fuse Block (Battery) |
| U/HOOD #1 | Underhood (Top) Fuse Block |
| HORN RLY | Horn Relay |
| BLANK | Blank |
| BLANK | Blank |
| 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 |
| BLOWER MOTOR | HVAC Blower Motor |
| Relay | |
| 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 |
Engine Fuse Box №2, Lower
Assignment of the fuses and relay in the Engine Compartment Fuse Box №2 (2004, 2005)
| Name | Usage |
|---|---|
| IGN SW | Ignition Switch |
| RT I/P #3 | Rear Defogger, Audio System |
| U/HOOD #2 | Ignition Relay, AIR Pump |
| COOLING FANS | Cooling fans (Battery) |
| FAN CONT #2 & #3 | Relays #2 & #3 |
| FAN CONT #1 | Cooling Fan Control Relays #1 |
| 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) |
| Relay | |
| 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 |
Conclusion
For owners and enthusiasts of classic Chevrolet Monte Carlo (2000-2005), 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.
