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: 2002
Engine Compartment Fuse Block
The fuse block is located under the hood in the engine compartment on the driver’s side of the vehicle.
| Mini fuses | Usage |
| 1 | ECAS |
| 2 | Passenger’s Side High-Beam Headlamp |
| 3 | Passenger’s Side Low-Beam Headlamp |
| 4 | Back-Up Trailer Lamps |
| 5 | Driver’s Side High-Beam Headlamp |
| 6 | Driver’s Side Low-Beam Headlamp |
| 7 | WASH |
| 8 | ATC |
| 9 | Windshield Wipers |
| 10 | Powertrain Control Module B |
| 11 | Fog Lamps |
| 12 | ST/LP |
| 13 | Cigarette Lighter |
| 14 | COILS |
| 15 | RIDE |
| 16 | TBD — Ignition 1 |
| 17 | Crank |
| 18 | Air Bag |
| 19 | ELEK Brake |
| 20 | Cooling Fan |
| 21 | Horn |
| 22 | Ignition E |
| 23 | ETC |
| 24 | Instrument Panel Cluster, Driver Information Center |
| 25 | Automatic Shift Lock Control System |
| 26 | ENG 1 |
| 27 | Back-Up |
| 28 | Powertrain Control Module 1 |
| 29 | Oxygen Sensor |
| 30 | Air Conditioning |
| 31 | TBC |
| 50 | Passenger’s Side Trailer TRN |
| 51 | Driver’s Side Trailer TRN |
| 52 | Hazard Flashers |
| J-Case fuses | Usage |
| 32 | Trailer |
| 33 | Anti-Lock Brakes (ABS) |
| 34 | Ignition A |
| 35 | Blower Motor |
| 36 | Ignition B |
| Micro relays | Usage |
| 37 | Blank |
| 38 | Rear Window Washer |
| 39 | Fog Lamps |
| 40 | Horn |
| 41 | Fuel Pump |
| 42 | Windshield Wipers/Washer |
| 43 | High-Beam Headlamp |
| 44 | Air Conditioning |
| Solid state relays | Usage |
| 45 | Cooling Fan |
| 46 | HDM |
| Mini relay | Usage |
| 47 | Starter |
| Miscellaneous | Usage |
| 48 | Instrument Panel Battery |
| 49 | Fuse Puller |
Rear Underseat Fuse Block
The rear underseat fuse block is located under the rear seat on the driver’s side of the vehicle.
| Fuses | Usage |
| 01 | Right Door Control Module |
| 02 | Left Door Control Module |
| 03 | LGM 2 |
| 04 | TBC 3 |
| 05 | Rear Fog Lamps |
| 06 | LGM/DSM |
| 07 | TBC 2 |
| 08 | Power Seats |
| 09 | Blank |
| 10 | DDM |
| 11 | AMP |
| 12 | PDM |
| 13 | Rear Climate Controls |
| 14 | Left Rear Parking Lamps |
| 15 | Auxiliary Power 2 |
| 16 | VEH CHMSL |
| 17 | Right Rear Parking Lamps |
| 18 | LOCKS |
| 19 | Blank |
| 20 | Sunroof |
| 21 | LOCK |
| 23 | Blank |
| 24 | UNLOCK |
| 25 | Blank |
| 26 | Blank |
| 27 | OH Battery/OnStar System |
| 29 | Rainsense Wipers |
| 30 | Parking Lamps |
| 31 | TBC 4CC |
| 32 | TBC5 |
| 33 | Front Wipers |
| 34 | VEH STOP |
| 35 | Blank |
| 36 | HVAC B |
| 37 | Front Parking Lamps |
| 38 | Left Turn Signal |
| 39 | HVAC 1 |
| 40 | TBC 4 |
| 41 | Radio |
| 42 | TR PARK |
| 43 | Right Turn Signal |
| 44 | HVAC |
| 45 | Rear Fog Lamps |
| 46 | Auxiliary Power 1 |
| 47 | Ignition 0 |
| 48 | Four-Wheel Drive |
| 49 | Blank |
| 50 | TBC IG |
| 51 | Brakes |
| 52 | TBC RUN |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
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