Chevrolet Blazer (1998) – fuse box diagram
Year of production: 1998
Instrument Panel Fuse Block
| Fuse/Circuit Breaker | Usage |
| A | Not Used |
| B | Not Used |
| 1 | Headlamp Switch, Body Control Module, Headlamp Relay |
| 2 | Cigarette Lighter, Data Link Connector |
| 3 | Cruise Control Module and Switch, Body Control Module, Heated Seats |
| 4 | Gages, Body Control Module, Instrument Panel Cluster |
| 5 | Interior Lights |
| 6 | Not Used |
| 7 | Power Outside Mirror, Power Lock Relay |
| 8 | Courtesy Lamps, Battery Run-Down Protection |
| 9 | HVAC Control Head (Manual) |
| 10 | Turn Signal |
| 11 | Cluster, Engine Control Module |
| 12 | Parking Lamps, Power Window Switch, Body Control Module, Ashtray Lamp |
| 13 | Auxiliary Power |
| 14 | Power Locks Motor |
| 15 | 4WD Switch, Engine Controls (VCM, PCM, Transmission) |
| 16 | Supplemental Inflatable Restraint, SDM Module |
| 17 | Front Wiper |
| 18 | Not Used |
| 19 | Radio Battery |
| 20 | Not Used |
| 21 | HVAC (Manual), HVAC I (Automatic), HVAC Sensors (Automatic) |
| 22 | Anti-Lock Brakes |
| 23 | Rear Wiper |
| 24 | Radio, Ignition |
Engine Compartment Fuse Block
| Name | Usage |
| TRL TRN | Trailer Left Turn |
| TRR TRN | Trailer Right Turn |
| TRL B/U | Trailer Back-up Lamps |
| VEH B/U | Vehicle Back-up Lamps |
| RT TURN | Right Turn Signal Fron |
| LT TURN | Left Turn Signal Front |
| LT TRN | Left Turn Signal Rear |
| RT TRN | Right Turn Signal Rear |
| RR PRK | Right Rear Parking Lamp |
| TRL PRK | Trailer Parking Lamps |
| LT HDLP | Left Headlamp |
| RT HDLP | Right Headlamp |
| FR PRK | Front Parking Lamps |
| INT BAT | I/P Fuse Block Feed |
| ENG I | Engine Sensors/Solenoids, MAP, CAM, PURGE, VENT |
| ECM B | Engine Control Module, Fuel Pump, Module, Oil Pressure |
| ABS | Anti-Lock Brake System |
| ECM 1 | Engine Control Module Injectors |
| HORN | Horn |
| BTSI | Brake-Transmission Shift Interlock |
| B/U LP | Back-up Lamps |
| A/C | Air Conditioning |
| RAP | Retained Accessory Power |
| O2 | Oxygen Sensor |
| IGN B | Column Feed, IGN 2, 3,4 |
| DRL | Daytime Running Lamps |
| 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 | Heated Seat |
| ATC | Electronic Transfer Case |
| RRDFOG | Rear Defogger |
| HVAC | HVAC System |
| TRCHMSL | Trailer Center High-Mount Stop Lamp |
| RR W/W | Rear Window Wipe |
| CRANK | Clutch Switch, NSBU Switch |
| HAZLP | Hazard Lamps |
| VECHMSL | Vehicle Center High-Mount Stop Lamp |
| HTDMIR | Heated Mirror |
| STOPLP | Stoplamps |
| TBC | Truck Body Computer |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
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