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)

The location of the fuses in the passenger compartment: Chevrolet Monte Carlo (2000-2005)

It is located on the driver’s side of the instrument panel, behind the cover.

Instrument Panel Fuse Box №2 (Passenger’s Side)

The location of the fuses in the passenger compartment: Chevrolet Monte Carlo (2000-2005)

It is located on the passenger’s side of the instrument panel, behind the cover.

Engine Compartment

The location of the fuses in the engine compartment: Chevrolet Monte Carlo (2000, 2001, 2002, 2003, 2004, 2005)

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
Instrument panel fuse box #1 diagram: Chevrolet Monte Carlo (2000, 2001, 2002, 2003)
Instrument panel fuse box #1 diagram: Chevrolet Monte Carlo (2000, 2001, 2002, 2003)

Assignment of the fuses in the Instrument Panel Fuse Box №1 (2000-2003)

NameDescription
PCM/BCM/CLS TRPowertrain Control Module, Body Control Module, Cluster (Ignition 0)
WSWWindshield Wipers, Windshield Washer
PCM (CRANK)Powertrain Control Module (Crank)
CIG/AUXAccommodated Device (Accessory)
BCMBody Control Module (Accessory)
SRSSupplemental Restraint System
ABS/PCMAnti-Lock Brake System, Powertrain Control Module, Brake Switch, Crank Relay, Canister Vent Solenoid (Run, Crank)
STOPBrake Lamps, Body Control Module (Run, Crank)
TURN SIGNALTurn Signal Flashers
CRUISECruise Control Steering Column Controls
A/C/CRUISEHVAC Temp Door Motors & Module, Cruise Control Module
A/C FANHVAC Blower
STR COLSteering Wheel Lighting
DR LKBody Control Module, Door Lock Controls
PWR MIRPower Mirrors
CLSTR/BCMCluster, Body Control Module, Data Link Connector (Battery)
LH HTD ST/BCMDriver’s Heated Seat, Body Control Module, Battery Controlled Loads
Circuit Breaker
RETAINED ACCESSORY PWR RELAYPower Window, Sunroof Breaker
HEADLAMP RELAYHeadlamp Relay
RETAINED ACCESSORY PWR BRKRPower Window, Sunroof Breaker
IP Fuse Box №2, Passenger Side
Instrument panel fuse box #2 diagram: Chevrolet Monte Carlo (2000, 2001, 2002, 2003)
Instrument panel fuse box #2 diagram: Chevrolet Monte Carlo (2000, 2001, 2002, 2003)

Assignment of the fuses and relay in the Instrument Panel Fuse Box №2 (2000-2003)

NameDescription
RH HTD STPassenger Heated Seat
PWR DROPAccommodated Device
B/U LPBack-Up Lamps
DIC/RKEDriver Information Center, Remote Keyless Entry, HVAC
TRK/ROOF BRPTrunk Lamps, Headliner Lamps
HVAC BLOHVAC Blower Relay
I/P BRPInstrument Panel Footwell Lamps, Glovebox Lamps
HTD MIRHeated Mirrors
BRK SWBrake Switch
HAZ SWHazard Switch
REAR PRK LPRear Parking Lamps
AUX PWRAccessory Power Outlet (Battery)
C/LTRCigarette Lighter
RADIORadio, Radio Amplifier
FRT PARK LPFront Parking Lamps, Instrumentation Lighting
Circuit Relay
PARK LP RELAYParking Lamp Relay
BACKUP LP RELAYBack-up Lamps Relay
BATT RUN DOWN PROTECTION RELAYBattery Run Down Protection Relay
REAR DEFOG RELAYRear Defog Relay, Heated Mirror Relay
Circuit Breaker
POWER SEATS BRKRPower Seat Circuit Breaker
REAR DEFOG BRKRRear Defog Breaker
Engine Fuse Box №1, Upper
Under-hood fuse box #1 diagram: Chevrolet Monte Carlo (2000, 2001, 2002, 2003)
Under-hood fuse box #1 diagram: Chevrolet Monte Carlo (2000, 2001, 2002, 2003)

Assignment of the fuses and relay in the Engine Compartment Fuse Box №1 (2000-2003)

NameDescription
HORN RLYHorn Relay
BLANKBlank
BLANKBlank
FOG RLYFog Lamp Relay
F/PMP RLYFuel Pump Relay
DRL/EXIT LTSLow (Left Front) & High (Left Front) Headlamps
EXT LTSLow (Right Front) & High (Right Front) Headlamps
PCMPCM Battery
A/C RLY (CMPR)HVAC Compressor Relay & Generator
Maxi Fuses
LEFT I/PLeft Bussed Electrical Center (Battery)
RT I/P #1Right Bussed Electrical Center (Battery)
RT I/P #2Right Bussed Electrical Center (Battery)
U/HOOD #1Underhood (Top) Electrical Center
Circuit Relay
FUEL PUMPFuel Pump
DRL RELAYDaytime Running Lamps
A.I.R. RELAYAir Induction Reaction Relay
CRANK RLYStarter (Crank) Relay
HORNSHorn
FOG LTSFog Lamps
Engine Fuse Box №2, Lower
Under-hood fuse box #2 diagram: Chevrolet Monte Carlo (2000, 2001, 2002, 2003)
Under-hood fuse box #2 diagram: Chevrolet Monte Carlo (2000, 2001, 2002, 2003)

Assignment of the fuses and relay in the Engine Compartment Fuse Box №2 (2000-2003)

NameUsage
FAN CONT #2 & #3Cooling Fan Control Relays #2 & #3
FAN CONT #1Cooling Fan Control Relays #1
AIR PMP RLYAir Induction Reaction Pump Relay (Battery)
FUEL INJFuel Injectors
TRANS SOLTransmission Solenoids
A/C RLY (COIL)HVAC Control Relay
ENG DEVICESCanister Purge Solenoid, Mass Air Flow Sensor (MAF), AIR Pump Relay & Valve Control
DFI MDLDirect Fire Ignition Module
OXY SENOxygen Sensors (Pre and Post Converter)
Maxi Fuses
IGN SWIgnition Switch
BLANKBlank
U/HOOD #2Ignition Relay, AIR Pump
COOLING FANSCooling Fans (Battery)
Circuit Relay
FAN CONT #3Secondary Cooling Fan (Passenger’s Side)
FAN CONT #2Cooling Fan Control Relay
FAN CONT #1Primary Cooling Fan (Driver’s Side)
IGN RELAYIgnition Relay
A/C CMPRHVAC Compressor

2004, 2005

IP Fuse Box №1, Driver’s Side
Instrument panel fuse box #1 diagram: Chevrolet Monte Carlo (2004, 2005)
Instrument panel fuse box #1 diagram: Chevrolet Monte Carlo (2004, 2005)

Assignment of the fuses and relay in the Instrument Panel Fuse Box №1 (2004, 2005)

NameDescription
PCM/BCM/CLS TRPowertrain Control Module, Body Control Module, Cluster (Ignition 0)
WSWWindshield Wipers, Windshield Washer
PCM (CRANK)Powertrain Control Module (Crank)
CIG/AUXAccommodated Device (Accessory)
BCMBody Control Module (Accessory)
SRSSupplemental Restraint System
ABS/PCMAnti-Lock Brake System, Powertrain Control Module, Brake Switch, Crank Relay, Canister Vent Solenoid (Run, Crank)
STOPBrake Lamps, Body Control Module (Run, Crank)
TURN SIGNALTurn Signal Flashers
CRUISECruise Control Steering Column Controls
AC/CRUISEHVAC Temp Door Motors & Module, Cruise Control Module
A/C FANHVAC Blower
STR COLSteering Wheel Lighting
DR LKBody Control Module, Door Lock Controls
PWR MIRPower Mirrors
CLSTR/BCMCluster, Body Control Module, Data Link Connector (Battery)
LH HTD ST/BCMDriver’s Heated Seat, Body Control Module, Battery Controlled Loads
Circuit Breaker
RETAINED ACCESSORY PWR BRKRPower Window, Sunroof Breaker
Relays
RETAINED ACCESSORY PWR RELAYRetained Accessory Power Relay
HEADLAMP RELAYHeadlamp Relay
IP Fuse Box №2, Passenger Side
Instrument panel fuse box #2 diagram: Chevrolet Monte Carlo (2004, 2005)
Instrument panel fuse box #2 diagram: Chevrolet Monte Carlo (2004, 2005)

Assignment of the fuses and relay in the Instrument Panel Fuse Box №2 (2004, 2005)

NameDescription
RH HTD STPassenger Heated Seat
PWR DROPAccommodated Device
B/U LPBack-Up Lamps
DIC/RKEDriver Information Center, Remote Keyless Entry, HVAC
TRK/ROOF BRPTrunk Lamps, Headliner Lamps
HVAC BLOHVAC Blower Relay
I/P BRPInstrument Panel Footwell Lamps, Glovebox Lamps
HTD MIRHeated Mirrors
BRK SWBrake Switch
HAZ SWHazard Switch
REAR PRK LPRear Parking Lamps
AUX PWRAccessory Power Outlet (Battery)
C/LTRCigarette Lighter
RADIORadio, Radio Amplifier
FRT PARK LPFront Parking Lamps, Instrumentation Lighting
Circuit Breaker
PWR SEATS BRKRPower Seat Circuit Breaker
REAR DEFOG BRKRRear Defog Breaker
Relay
PARK LP RELAYParking Lamp Relay
BACKUP LP RELAYBack-up Lamps Relay
BATT RUN DOWN PROTECTION RELAYBattery Run Down Protection Relay
REAR DEFOG RELAYRear Defog Relay, Heated Mirror Relay
Engine Fuse Box №1, Upper
Under-hood fuse box #1 diagram: Chevrolet Monte Carlo (2004, 2005)
Under-hood fuse box #1 diagram: Chevrolet Monte Carlo (2004, 2005)

Assignment of the fuses and relay in the Engine Compartment Fuse Box №1 (2004, 2005)

NameDescription
LEFT I/PLeft Fuse Block
RT I/P #1Right Fuse Block (Battery)
RT I/P #2Right Fuse Block (Battery)
U/HOOD #1Underhood (Top) Fuse Block
HORN RLYHorn Relay
BLANKBlank
BLANKBlank
FOG RLYFog Lamp Relay
F/PMP RLYFuel Pump Relay
DRL/EXIT LTSLow (Left Front) & High (Left Front) Headlamps
EXT LTSLow (Right Front) & High (Right Front) Headlamps
PCMPCM Battery
A/C RLY (CMPR)HVAC Compressor Relay & Generator
BLOWER MOTORHVAC Blower Motor
Relay
FUEL PUMPFuel Pump
DRL RELAYDaytime Running Lamps
A.I.R. RELAYAir Induction Reaction Relay
CRANK RLYStarter (Crank) Relay
HORNSHorn
FOG LTSFog Lamps
Engine Fuse Box №2, Lower
Under-hood fuse box #2 diagram: Chevrolet Monte Carlo (2004, 2005)
Under-hood fuse box #2 diagram: Chevrolet Monte Carlo (2004, 2005)

Assignment of the fuses and relay in the Engine Compartment Fuse Box №2 (2004, 2005)

NameUsage
IGN SWIgnition Switch
RT I/P #3Rear Defogger, Audio System
U/HOOD #2Ignition Relay, AIR Pump
COOLING FANSCooling fans (Battery)
FAN CONT #2 & #3Relays #2 & #3
FAN CONT #1Cooling Fan Control Relays #1
FUEL INJFuel Injectors
TRANS SOLTransmission Solenoids
A/C RLY (COIL)HVAC Control Relay
ENG DEVICESCanister Purge Solenoid, Mass Air Flow Sensor (MAF), AIR Pump Relay & Valve Control
DFI MDLDirect Fire Ignition Module
OXY SENOxygen Sensors (Pre and Post Converter)
Relay
FAN CONT #3Secondary Cooling Fan (Passenger’s Side)
FAN CONT #2Cooling Fan Control Relay
FAN CONT #1Primary Cooling Fan (Driver’s Side)
IGN RELAYIgnition Relay
A/C CMPRHVAC 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.

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