Jonathan Yarden Feb 11, 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: 2001
Instrument panel
The fuse block is in the instrument panel on the driverâs side.
| Fuses/Circuit Breaker | Circuit protected |
| A | Not Used |
| B | Not Used |
| 1 | Not Used |
| 2 | Cigarette Lighter, Data Link Connector |
| 3 | Cruise Control, Body Controls TBC, Cruise Module, Cruise Switch |
| 4 | Gages, Body Controls TBC, Instrument Panel Cluster, B+ Power |
| 5 | Parking Lamps, Power Window Switch, TBC, Ashtray Lamp |
| 6 | STR WHL ILLUM |
| 7 | Headlamp Switch, Body Controls TBC, Headlamp Relay |
| 8 | Courtesy Lamps, Inadvertent Power Relay |
| 9 | HVAC Control Head |
| 10 | Turn Signal |
| 11 | Instrument Panel Cluster, Engine Controls |
| 12 | Interior Illumination |
| 13 | Auxiliary Power |
| 14 | Power Locks |
| 15 | 4WD Switch, Engine Control (VCM, PCM, Transmission) |
| 16 | Supplemental Inflatable Restraint |
| 17 | Front Wiper |
| 18 | STR WHL RDO IGN |
| 19 | Radio Battery |
| 20 | AMPF |
| 21 | HVAC I, HVAC Control Head, HVAC Devices |
| 22 | Air-Bag Brakes |
| 23 | Rear Wiper |
| 24 | Radio, Ignition |
Engine Compartment Fuse Block
The fuse block under the hood at the driverâs de of the engine compartment.
| Name | Usage |
| TRL TRN | Not Used |
| TRR TRN | Not Used |
| TRL B/U | Not Used |
| VEH B/U | Vehicle Back-Up Lamps |
| RT TURN | Right Turn Signal Front |
| LT TURN | Left Turn Signal Front |
| HDLP W/W | Not Used |
| LT TRN | Left Turn Signal Rear |
| RT TRN | Right Turn Signal Rear |
| RR PRK | Right Rear Parking Lamps |
| TRL PRK | Not Used |
| LT HDLP | Left Headlamp |
| RT HDLP | Right Headlamp |
| FR PRK | Front Parking Lamp |
| INT BAT | I/P Fuse Block Feed |
| ENG 1 | Engine Sensor/Solenoid, MAP, CAM, PURGE, VENT |
| ECM B | Engine Control Module Fuel Pump, Module, Oil Pressure |
| ABS | Anti-Lock Brake System |
| ECM I | Engine Control Module Injector |
| BTSI | Brake-Transmission Shift Interlock |
| B/U LP | Back-up Lamps |
| A/C | Air Conditioning |
| W/W PMP | Not Used |
| HORN | Horn |
| IGN B | Column Feed, IGN 2, 3, 4 |
| RAP | Retained Accessory Power |
| LD LEV | Not Used |
| OXYGEN | Oxygen Sensor |
| IGN E | Engine |
| MIR/LKS | Mirrors, Door Locks |
| FOG LP | Fog Lamps |
| IGN A | Starting and Charging IGN 1 |
| STUD #2 | Accessory Feeds, Electric Brake |
| PARKLP | Parking Lamps |
| LR PRK | Left Rear Parking Lamps |
| IGN C | Starter Solenoid, Fuel Pump, PRNDL |
| HTDSEAT | Not Used |
| HVAC | HVAC System |
| TRCHMSL | Not Used |
| RRDFOG | Not Used |
| TBC | Truck Body Computer |
| CRANK | Clutch Switch, NSBU Switch |
| HAZLP | Hazard Lamps |
| VECHMSL | Vehicle Center High-Mounted Stoplamp |
| HTDMIR | Heated Outside Mirrors |
| ATC | Transfer Case (Four-Wheel Drive) |
| STOPLP | Stoplamps |
| RR W/W | Not Used |
WARNING:Â Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
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