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.
Main Fuse Block
Fuse name | Usage |
STOP/HAZARD |
Hazard Flasher, Brake Switch Assembly |
TURN B/U |
Traction ControV2nd Gear Start Switch, Back-up Lamp Switch, Turn Flasher, Daytime Running Lamps (DRL) Module |
STG WHL CNTRL |
Steering Wheel Controls |
RADIO ASSY |
Delco Audyssey Radio Amplifier Remote CD player (trunk) |
TAIL LTS |
Daytime Running Lamps (DRL) Module, Headlamp Switch |
HVAC |
HVAC Selector Switch, Rear Defogger Switch/Timer |
PWR ACCY |
Park Lamp Relay,Hatch Release Relay, Power Mirror Switch, Radio, Shock Sensor, Instrument Cluster |
COURTESY |
Body Control Module (BCM) |
GAGES |
Body Control Module (BCM), Brake-Transmission Shift Interlock (BTSI), Instrument Cluster, Daytime Running Lamps (DRL) Module |
AIR BAG |
Air Bag System |
CIGAR/ACCY |
Cigarette Lighter, Data Link Connector (DLC) |
DEFOG/SEATS |
Rear Defogger Switchmimer, Power Seat |
IGN |
Aftermarket Use Only |
STG WHL CNTRL |
Steering Wheel Controls |
WIPER/WASH |
Wiper Motor Assembly, Wiper/Washer Switch |
BATT |
Aftermarket Use Only |
WINDOWS |
Power Windows Switch (RH, LH), Express Down Module, Convertible Top Switch |
I/P DIMMER |
Door Illumination Lamp (LH, RH), Headlamp Switch, Fog Lamp Switch, Instrument Cluster, HVAC Control Assembly, PRNDL Illumination Lamp, Ashtray Lamp, Radio, Rear Window Defogger Switch/Timer, Traction Control (ASR)/Second-Gear Start Switch, Convertible Top Switch |
ACCY |
Aftermarket Use Only |
RADIO |
Body Control Module (BCM), Radio, Amplifier, Steering Wheel Controls-Radio |
Underhood Electrical Center
The two underhood fuse and relay centers are located in the engine compartment.
Fuse and Relay Center 1
Fusename | Usage |
ABS BAT SOL |
Anti-Lock Brake System |
TCS BAT |
Traction Control System and ETC |
COOL FAN |
Cooling Fan Control |
PCM BAT |
Powertrain Control Module (PCM) |
FUEL PUMP |
Fuel Pump |
AIR PUMP |
Air Pump Relay and Bleed Valve |
LH HDLP |
Left Headlamp Door and Module |
RH HDLP |
Right Headlamp Door and Module |
HORN |
Horn Relay |
ABS BAT-1 |
Anti-Lock Brake System Module |
H/L DRHORN |
Horn and Headlamp Doors |
ABS BAT-2 |
Anti-Lock Brake and Traction Control System (ASR) |
COOL FAN |
Cooling Fan Relays |
Relays | Usage |
FOG LAMP |
Fog lamps |
HORN |
Horn |
COOLING FAN#3 |
Cooling Fans |
COOLING FAN#2 |
Cooling Fans |
COOLING FAN#1 |
Cooling Fans |
Fuse and Relay Center 2
Fusename | Usage |
INJ |
Fuel Injectors (Not Used for V6) (LH Injectors for V8 and Ignition Module) |
INJ |
Fuel Injectors (All for V6) (LH Injectors for V8 and Ignition Module) |
ENG SEN |
MassAirFlow,HeatedOxygen Sensor, Skip Shift Solenoid (V8 Only), Reverse Lockout Solenoid, Brake Switch |
STRTR |
Powertrain Control Module (PCM) and Clutch Pedal Switch |
ABS IGN |
Anti-Lock Brake System Module |
PCM IGN |
Powertrain Control Module (PCM) |
ETC |
Electronic Throttle Control (V6 Only) |
ENG CTRL |
Ignition Module (V6 Only), Automatic Transmission and Charcoal Canister Purge Solenoid |
A/CCRUISE |
Air Conditioning Compressor Relay, Cruise Control Switches and Module |
ENG CTRL |
EngineControls,FuelPump,PCM, A.I.R. and Cooling Fans |
I/P-1 |
HVAC Blower Control and Relay |
IGN |
Ignition Switch, Relay and Starter Enable Relay |
I/P-2 |
Instrument Panel Fuse Center |
Relays | Usage |
AIR SOL |
Air Solenoid |
AIR PUMP |
Air Pump |
A/C COMP |
Air Conditioning Compressor |
FUEL PUMP |
Fuel Pump |
STARTER |
Starter |
IGN |
Engine Controls, Cruise Control, Air Conditioning |
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