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.
Instrument panel fuse block
The instrument panel fuse block is located on the end of the instrument panel on the driver side of the vehicle.
Hatchback
Fuses | Usage |
AUX LTR | Auxiliary Cigarette Lighter |
HORN, REAR/FOG | Horn, Rear Fog Lamps |
LTR | Cigarette Lighter |
STOP | Stop Lamp |
RADIO, CLK | Audio, Clock |
CLSTR, HAZARD | Instrument Panel Cluster, Hazard Flasher |
TRN/SIG | Turn Signal |
DRL/LCK | Door Lock, Remote Keyless Entry |
CLSTR, CLK | Instrument Panel Cluster, Clock |
ECM, TCM | Engine Control Module (ECM), Transmission Control Module (TCM) |
BCK/UP | Back-Up Lamp |
WPR, WSWA | Wiper, Washer |
ECM, TCM | Engine Control Module (ECM), Transmission Control Module (TCM) |
ENG FUSE | Engine Fuse |
ALTERNATOR | Alternator |
HVAC | HVAC Blower |
AIRBAG 1 | Airbag 1 |
BLANK | Not Used |
ABS | Antilock Brake System |
DIODE (ABS) | Antilock Brake System Diode |
AIRBAG 2 | Airbag 2 |
BLANK | Not Used |
CLK, RADIO | Clock, Audio |
Sedan
Fuses | Usage |
SDM | Sensing and Diagnostic Module |
WIPER | Windshield Wiper Switch, Windshield Wiper Motor |
CLUSTER | Instrument Panel Cluster, Brake Switch, Anti-theft Mode |
T/SIG | Turn Signal, Hazard Switch |
EMS2 | Stoplamp Switch |
EMS1 | Engine Room Fuse Block, Rear HO2S, Transmission Control Module, VSS, Fuel Pump |
STOP LAMP | Brake Switch |
CIGAR | Cigarette Lighter, Auxiliary Power Outlet |
AUDIO/CLOCK | Radio, Clock |
OBD | On-Board Diagnostics, Immobilizer |
ROOM LAMP | Trunk Lamp, Trunk Open Switch, Cluster, Dome Lamp |
DEFOGGER | Rear Defogger |
SUNROOF | Sunroof Module (Option) |
DRL | Daytime Running Lamps |
DOOR LOCK | Door Lock/Unlock |
B/UP LAMP | Back-up Lamps |
HORN | Horn |
ELEC MIRROR | Mirror Control Switch, Dome Lamp, Air Conditioning Switch |
AUDIO/RKE | Radio, Remote Keyless Entry, Clock, Power Mirror Unit, Anti-Theft Module |
DEFOG MIRROR | Power Mirror Unit, Air Conditioning Switch |
BLANK | Not Used |
BLANK | Not Used |
BLANK | Not Used |
BLANK | Not Used |
Engine compartment fuse block
The engine compartment fuse block is located on the driver side of the vehicle, near the battery.
Hatchback
Fuses | Usage |
HI BEAM RT | Passenger Side High Beam Headlamp |
DIS | Direct Ignition System |
HI BEAM LT | Driver Side High Beam Headlamp |
DIODE (FOG) | Fog Lamp Diode |
LOW BEAM RT | Passenger Side Low Beam Headlamp |
ILLUM RT | Parking Lamp Right Side, Illumination Circuit |
LOW BEAM LT | Driver Side Low Beam Headlamp |
ILLUM LT | Driver Side Parking Lamp, License Plate Lamp |
INT LTS | Room Lamp |
INJECTOR | Injector |
DEFOG | Defogger |
S/ROOF | Sunroof |
ILLUM LAMPS | Illumination Relay |
HORN | Horn |
HEAD LAMPS | Headlamps |
FUEL | Fuel Pump |
A/C | Air Conditioning Compressor |
FOG LAMPS | Front Fog Lamp |
HVAC BLOWER | Heating, Ventilation, Air Conditioning Blower |
ABS | Antilock Brake System |
I/P FUSE BATT. | Instrument Panel Fuse Box |
COOL FAN | Radiator Fan |
IGN 2 | Ignition 2 |
BLANK | Blank |
IGN 1 | Ignition 1 |
PWR WNDW | Power Windows |
SPARE | Spare |
BLANK | Not used |
COOL FAN LOW | Cooling Fan Low |
HEAD LAMPS HI | High Beam Headlamp |
HEAD LAMPS LOW | Low Beam Headlamp |
PWR WNDW | Power Window |
FRT FOG | Fog Lamp |
MAIN POWER | Main Power |
FUEL PUMP | Fuel Pump |
A/C COMPRSR | Air Conditioning Compressor |
COOL FAN HI | Cooling Fan High |
ILLUM LAMPS | Illumination Lamps |
BLANK | Not Used |
Sedan
Fuses | Usage |
BATT | Instrument Panel Fuse Bloc |
PK/LP LH | Driver Side Parking Lamp, Taillamp |
PK/LP RH | Passenger Side Parking Lamp, Taillamp |
IGN2/ST | Ignition Switch |
ACC/IGN1 | Ignition Switch |
HAZARD | Hazard Lamps, Theft-Deterrent System |
H/L LOW RH | Passenger Side Low-Beam Headlamp |
FAN HI | Cooling Fan High Speed |
H/L LOW LH | Driver Side Low-Beam Headlamp |
FRT FOG | Front Fog Lamps (Option) |
FAN LOW | Cooling Fan Low Speed |
H/L HI | High-Beam Headlamps |
A/C COMP | Air Conditioning Compressor (Option) |
FUEL PUMP | Fuel Pump |
SPARE | Spare |
ABS | Antilock Brake System (Option) |
EMS2 | LEGR Valve, HO2S, EVAP Canister Purge Solenoid, CMP Sensor |
P/WINDOW1 | Power Window Switch (Option) |
ECU | Engine Control Module, Transmission Control Module |
SPARE | Spare |
EMS1 | Engine Control Module, Injector, Cooling Fan, Air Conditioning Compressor |
SPARE | Spare |
H/L LOW RELAY | Low-Beam Headlamp Relay |
FAN HI RELAY | Cooling Fan High Speed Relay |
FUEL PUMP RELAY | Fuel Pump Relay |
P/WINDOW RELAY | Power Window Relay |
PARK LAMP RELAY | Parking Lamp Relay |
FRT FOG RELAY | Front Fog Lamps Relay |
H/L HI RELAY | High-Beam Headlamp Relay |
FAN LOW RELAY | Cooling Fan Low Speed Relay |
A/C RELAY | Air Conditioning Relay (Option) |
MAIN RELAY | Main Relay |
Misc. | Usage |
FUSE PULLER | Fuse Puller |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
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