Jonathan Yarden Mar 25, 2021 · 5 min. read
In this article you will find a description of fuses and relays Pontiac,
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: 2003
Instrument Panel Fuse Block
The fuse block is located underneath the instrument panel on the driver side of the vehicle.
| Fuses | Usage |
| TAIL | Front Parking Lamps, Taillamps, License Plate Lamps, Instrument Panel Lights, Engine Control System |
| OBD | On-Board Diagnostic System |
| WIPER | Windshield Wipers |
| AM2 | Charging System, Air Bag System, Starter System, Engine Control |
| DOOR | Power Door Locks, Liftglass Lock |
| AM1 | Cigarette Lighter, Gauge, ECU-IG, Wiper, Rear Wiper, Washer Fuses |
| ECU-IG | Cruise Control, Anti-lock Brakes, Theft Deterrent System, Automatic Transmission Control System, Electric Cooling Fan |
| RR WIPER | Rear Window Wiper, Rear Window Defogger |
| A/C | Air Conditioning |
| INV | Power Outlets |
| P/POINT | Power Outlets |
| ECU-B | Daytime Running Lamps |
| CIG | Cigarette Lighter, Power Rearview Mirrors, Power Outlets, Audio System, Automatic Transmission Control System |
| GAUGE | Gauges and Meters, Back-Up Lamps, Charging System, Power Door Locks, Power Windows, Sunroof, Air Conditioning, Cruise Control |
| WASHER | Windshield Washers |
| *1 | Engine Control System |
Engine Compartment Fuse Block
This engine compartment fuse block is located in the engine compartment on the driver side of the vehicle near the air cleaner.
| Fuse/relay | Usage |
| HEAD MAIN | Right Headlamp, Left Headlamp Fuses |
| ALT-S | Charging System |
| EFI | Electronic Fuel Injection System |
| HAZARD | Turn Signal Lamps, Emergency Flasher |
| HORN | Horn |
| DOME | Interior Lights, Gauges and Meters, Audio System, Remote Keyless Entry System |
| MAIN | Starter System, AM2 Fuse |
| AMP | Audio System |
| MAYDAY | Not Used |
| DIMMER | Headlamp Dimmer (Relay) |
| SPARE | Spare Fuse |
| SPARE | Spare Fuse |
| SPARE | Spare Fuse |
| HORN | Horn |
| FAN NO. 2 | Cooling Fan System (Relay) |
| FAN NO. 1 | Cooling Fan System (Relay) |
| ABS NO. 2 | Anti-lock Brake System |
| RDI FAN | Electronic Cooling Fan System |
| ABS NO. 1 | Anti-lock Brake System |
| ALT | Charging System, DEFOG, HEATER, GAUGE, ECU-IG, WIPER, RR WIP, WASHER, ABS NO. 1, ABS NO. 2, RDI FAN, FOG, GAUGE, INV, AM1 Fuses |
| HEAD RH | Right-hand Headlamp |
| HEAD LH | Left-hand Headlamp |
| EFI | Electronic Fuel Injection System (Relay) |
| FOG | Front Fog Lamps |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
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