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Chevrolet Monte Carlo (2004 - 2005) Fuse Box Diagram

avatar Jonathan Yarden Oct 22, 2021 · 5 min. read

In this article you will find a description of fuses and relays Chevrolet, with photos of block diagrams and their locations. Highlighted the cigarette lighter fuse (as the most popular thing people look for).
Get tips on blown fuses, replacing a fuse, and more.

Year of production: 2004, 2005

Instrument Panel Fuse Block (Driver’s Side)

Some fuses are in a fuse block on the driver’s side of the instrument panel.

Chevrolet Monte Carlo -  fuse box - driver side instrument panel

Mini Fuse 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
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 Description
RETAINED ACCESSORY PWR BRKR Power Window, Sunroof Breaker

Relays Description
RETAINED ACCESSORY PWR RELAY Retained Accessory Power Relay

Instrument Panel Fuse Block (Passenger’s Side)

Some fuses are in a fuse block on the passenger’s side of the instrument panel.

Chevrolet Monte Carlo - fuse box - passenger's side instrument panel

Fuse 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
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


Breaker Description
PWR SEATS BRKR Power Seat Circuit Breaker
REAR DEFOG BRKR Rear Defog Breaker


Underhood Fuse Block (Upper)

Some fuses are in a fuse block on the passenger’s side of the engine compartment.

Chevrolet Monte Carlo - fuse box - underhood fuse - block (upper)

Relay Usage
DRL RELAY Daytime Running Lamps
A.I.R. RELAY Air Induction Reaction Relay
CRANK RLY Starter (Crank) Relay
FOG LTS Fog Lamps


Fuses 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
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 (Lower)

Some fuses are in a fuse block on the passenger’s side of the engine compartment.

Chevrolet Monte Carlo - fuse box - underhood fuse block (lower)

Relay Usage
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
Fuses 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)
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

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