Jonathan Yarden Mar 27, 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.
Underhood Electrical Center
| Fuse | Fusename | Usage |
| 1 | ABS BAT |
Electronic Brake Control Module |
| 2 | FOG LTS | Fog lamps |
| 3 | — | — |
| 4 | — | — |
| 5 | ABS IGN |
Anti-Lock Brake System |
| 6 | FAN/ACTR |
Coolant Fan Relays;EVAP Canister Purge Solenoid; Exhaust Gas Recirculation; LowCoolant Relay; Reverse Lockout Solenoid |
| 7 | AIR PUMP |
Air Injection Pump Assembly; Air Pump Relay |
| 8 | PCM | Power Train Control Module |
| 9 | INJECTOR |
Fuel Injector |
| 10 | INJECTOR |
Fuel Injector |
| 11 | IGNITION |
VIN Engine Code S: Camshaft Position Sensor; Crankshaft Position Sensor; Electronic Ignition Module (10 Amp.) VIN Engine Code P: Ignition Coil; Ignition Coil Driver |
| 12 | A/C-CRUISE |
Air Conditioning Compressor Relay; Cruise Control Switches and Module |
| Relays | Usage |
| B |
Air Conditioning Compressor |
| C |
Anti-Lock Brake System |
| D |
Primary Coolant Fan(Driver Side) |
| E |
Air Pump |
| F |
Secondary Coolant Fan (Passenger Side) |
| G |
ASR |
| H |
Fan Lamps |
| J | — |
Main Fuse Block
| Fuses/Circuit Breaker | Fuse name | Usage |
| 1 | AIR BAG |
Air Bag: SIR Components |
| 2 | TURN B-U |
Backup Lights; Daytime Running Lights Module (Canada); Turn Flasher |
| 3 | HVAC |
Heater Control Selector Switch (Heater/Air Conditioner); Rear Defogger |
| 4 | RADIO ASSY |
BOSE’ Relay |
| 5 | PCM IGN |
Powertrain Control Module; PASS-Keys II Decoder Module; Fuel Pump Relay |
| 6 | STOP/HAZARD |
Brake Ligh/Cruise Release Switch, Hazard Flasher |
| 7 | PWR ACCY |
Power Door Locks; Power Mirrors; Hatch Release |
| 8 | COURTESY |
Audio Alarm Module; Courtesy Lamps: Console Compartment, Glove Box, Dome, Trunk, Rear Courtesy, Rearview Mirror and Radio |
| 9 | GAGES |
AudioAlarmModule;DaytimeRunning lamps Module (Canada); Diagnostic Energy Reserve Module; Instrument Cluster; Remote Lock Control Module |
| 10 | TAIL LTS |
Exterior Lighting |
| 11 | CIGAR/HORN | Cigarette Lighter; Horn Relay |
| 12 | DEFOG/SEATS |
Power Seats: Rear Defogger (Circuit Breaker) |
| 13 | IP DIMMER |
Brightness Control |
| 14 | WIPER/WASH |
Windshield Wiper/Washer |
| 15 | WINDOWS |
Power Windows, Convertible Top Switch (Circuit Breaker) |
| 16 | CRANK |
Diagnostic Energy Reserve Module |
| 17 | RADIO |
Radio Amplifier |
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