2003 Chevrolet Blazer fuse box diagram
The 2003 Blazer generation S10-2 (also known as "GMT330") has 2 different fuse boxes:
Instrument Panel Fuse Block diagram
Engine Compartment Fuse Block diagram
Instrument Panel Fuse Block
| |||||
|---|---|---|---|---|---|
| Type | No. | Description | |||
Fuse MINI | 2 | Cigarette Lighter, Data Link | |||
Fuse MINI | 3 | Cruise Control Module and Switch, Body Control Module, Heated Seats | |||
Fuse MINI | 4 | Gages, Body Control Module, Instrument Panel Cluster | |||
Fuse MINI | 5 | Parking Lamps, Power Window Switch, Body Control Module, Ashtray Lamp | |||
Fuse MINI | 6 | Steering Wheel Radio Controls | |||
Fuse MINI | 7 | Headlamps Switch, Body Control Module, Headlamp Relay | |||
Fuse MINI | 8 | Courtesy Lamps, Battery Run-Down Protection | |||
Fuse MINI | 9 | Heating, Ventilation, Air Cooling Control Head (Manual) | |||
Fuse MINI | 10 | Turn Signal | |||
Fuse MINI | 11 | Cluster, Engine Control Module | |||
Fuse MINI | 12 | Interior Lights | |||
Fuse MINI | 13 | Auxiliary Power | |||
Fuse MINI | 14 | Power Locks Motor | |||
Fuse MINI | 15 | 4WD Switch, Engine Controls (VCM, PCM, Transmission) | |||
Fuse MINI | 16 | Supplemental Inflatable Restraint | |||
Fuse MINI | 17 | Front Wiper | |||
Fuse MINI | 18 | Steering Wheel Radio Controls | |||
Fuse MINI | 19 | Radio, Battery | |||
Fuse MINI | 20 | Amplifier | |||
Fuse MINI | 21 | Heating, Ventilation, Air Cooling (Manual). Heating, Ventilation, Air Cooling (Automatic), Heating, Ventilation, Air Cooling Sensors (Automatic) | |||
Fuse MINI | 22 | Anti-Lock Brakes | |||
Fuse MINI | 23 | Rear Wiper | |||
Fuse MINI | 24 | Radio, Ignition | |||
Engine Compartment Fuse Block
| |||||
|---|---|---|---|---|---|
| Type | Description | ||||
Fuse MAXI 50A | 1 Instrument Panel Fuse Block Feed | ||||
Fuse MAXI 60A | 2 Anti-Lock Brake System | ||||
Fuse MAXI 50A | 3 Column Feed, Ignition 2, 3, 4 | ||||
Fuse MAXI 50A | 4 Retained Accessory Power | ||||
Fuse MAXI 40A | 5 Starting and Charging Ignition 1 | ||||
Fuse MAXI 30A | 6 Accessory Feeds, Electric Brake | ||||
Fuse MINI 10A | 7 Trailer Left Turn | ||||
Fuse MINI 10A | 8 Left Turn Signal Rear | ||||
Fuse MINI 10A | 9 Automatic Transmission Shift Lock Control System | ||||
Fuse MINI 20A | 10 Parking Lamps | ||||
Fuse MINI 30A | 11 Heating,Ventilation, Air Cooling System | ||||
Fuse MINI 20A | 12 Hazard Lamps | ||||
Fuse MINI 10A | 13 Trailer Right Turn | ||||
Fuse MINI 10A | 14 Right Turn Signal Rear | ||||
Fuse MINI 10A | 15 Trailer Center High Mount Stop Light | ||||
Fuse MINI 10A | 16 Vehicle Center High-Mounted Stop Lamp | ||||
Fuse MINI 10A | 17 Trailer Back Up Lamps | ||||
Fuse MINI 15A | 18 Engine Control Module Injectors | ||||
Fuse MINI 15A | 20 Vehicle Back Up Lamps | ||||
Fuse MINI 10A | 21 Engine Sensors/Solenoids, MAF, CAM, PURGE, VENT | ||||
Fuse MINI 20A | 22 Oxygen Sensor | ||||
Fuse MINI 10A | 23 Right Rear Parking Lamps | ||||
Fuse MINI 20A | 24 Engine Control Module, Fuel Pump Module, Oil Pressure | ||||
Fuse MINI 25A | 25 Back Up Lamps | ||||
Fuse MINI 10A | 26 Engine | ||||
Fuse MINI 10A | 27 Left Rear Parking Lamps | ||||
Fuse MINI 30A | 28 Rear Defogger | ||||
Fuse MINI 10A | 29 Trailer Park Lamps | ||||
Fuse MINI 15A | 30 Left Headlamp | ||||
Fuse MINI 10A | 31 Heated Mirror | ||||
Fuse MINI 15A | 32 Right Headlamp | ||||
Fuse MINI 3A | 33 Mirrors, Door Locks | ||||
Fuse MINI 20A | 34 Transfer Case (Four-Wheel Drive) | ||||
Fuse MINI 10A | 35 Air Conditioning | ||||
Fuse MINI 15A | 36 Fog Lamps | ||||
Fuse MINI 10A | 37 Truck Body Computer | ||||
Fuse MINI 10A | 38 Right Turn Signal Front | ||||
Fuse MINI 10A | 39 Clutch Switch, NSBU Switch | ||||
Fuse MINI 10A | 40 Left Turn Signal Front | ||||
Fuse MINI 10A | 41 Front Parking Lamps | ||||
Fuse MINI 20A | 43 Starter Solenoid, Fuel Pump, PRNDL | ||||
Fuse MINI 20A | 44 Stop Lamps | ||||
Fuse MINI 15A | 46 Horn | ||||
Fuse MINI 20A | 47 Heated Seat | ||||
Fuse MINI 15A | 48 Rear Window Wiper | ||||
Fuse puller | FUSE PULLER Fuse Puller | ||||
Relay | R1 Starter | ||||
Relay | R2 Rear Defogger | ||||
Relay | R3 Fuel Pump | ||||
Relay | R4 Headlamp Power | ||||
Relay | R5 Daytime Running Lamps | ||||
Relay | R6 Liftglass | ||||
Relay | R7 A/C_R | ||||
Relay | R8 FOG LP_R | ||||
Relay | R9 Horn | ||||
Relay | R10 Center High Mounted Stoplamp | ||||
Fuse MINI | SPARE FUSES Spare | ||||
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