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: 2001
Instrument Panel Fuse Block
The instrument panel fuse block is located at the right end of the instrument panel, on the passenger’s side of the vehicle.
| Circuit breaker | Usage |
| 1 | Daytime Running Lamps (DRL) Control Module, Headlamp and Instrument Panel Dimmer Switch |
| 2 | Power Sliding Door |
| 3 | Front Power Windows |
| 4 | 6-Way Power Seats and Rear Side Door Actuator Motor |
| 5 | Blower Motor Hi Speed Relay Module |
| Fuses | Usage |
| 6 | Steering Wheel Radio Control Switches (Illumination) |
| 7 | Instrument Cluster to PRNDL Indicators |
| 8 | Power Remote Control Mirror Switch |
| 9 | Cruise Control Module, Switch and Release Switch |
| 10 | Not Used |
| 11 | Powertrain Control Module (PCM), Ignition Crank |
| 12 | PASS-Key III System |
| 13 | Body Control Module (BCM) |
| 14 | Heated Mirrors |
| 15 | Not Used |
| 16 | Not Used |
| 17 | Cigarette Lighter, DIC, Front Auxiliary Power Outlets |
| 18 | Turn Signal Switch |
| 19 | Interior Lamp and Multifunction Switch (Power Vent Switch |
| 20 | Windshield Wiper/Washer Motor and Switch |
| 21 | Hazard Switch |
| 22 | Rear Electric Accessory Plug Housing |
| 23 | DRL Control Module |
| 24 | Not Used |
| 25 | Rear Window Defogger Relay, Heated Mirrors |
| 26 | OnStar |
| 27 | Inflatable Restraint Control Module |
| 28 | Heater-A/C Control |
| 29 | Instrument Cluster, Body Control Module, Electronic Level Control (ELC) Sensor and Relay |
| 30 | Stoplamp Switch |
| 31 | Module/Electronic Brake Control Module/Electronic Brake Traction Control Module (EBCM/EBTCM) |
| 32 | Evaporative Emissions (EVAP) Canister Vent Solenoid Valve |
| 33 | Not Used |
| 34 | ELC Air Compressor and ELC Relay, Trailer Harness |
| 35 | Courtesy Lamp |
| 36 | BCM, Electronic Brake Control Indicator Lamp Driver Module, Instrument Panel Cluster, Rear Side Door Actuator Control Module, Rear Windows |
| 37 | Rear HVAC-A/C Control |
| 38 | Rear Window Wiper Motor, Rear Window Wiper/Washer and Multifunction Switch (Rear Window Wiper/Washer Switch) |
| 39 | Not Used |
| 40 | Not Used |
| 41 | Not Used |
| 42 | Not Used |
| 43 | Not Used |
| 44 | Retained Accessory Power (RAP) Relay |
| 45 | Not Used |
| 46 | Air Inlet Actuator, DIC Display, DRL Control Module, Heater-A/C Control, Temperature Door Actuator (Front) and Rear Window Defogger Relay |
| 47 | BCM Programming |
| 48 | Not Used |
| 49 | Not Used |
| 50 | IGN MAIN Relay and PCM, Electronic Brake Control Module |
Underhood Fuse Block
This fuse block is located in the engine compartment, in front of the windshield washer fluid reservoir.
| Maxi Fuses | Usage | |
| 1 | COOL FAN 2 | Coolant Fans |
| 2 | — | Not Used |
| 3 | HEADLAMPS | Circuit Breakers: FRT HVAC HI BLWR, and HEADLAMP Fuses (Instrument Panel): HAZARD and STOPLAMP |
| 4 | BATT MAIN 2 | Circuit Breaker: PWR SEAT/PSD. Fuses (Instrument Panel): ELC and RR DEFOG |
| 5 | IGN MAIN 1 | Ignition Switch to Fuses (Instrument Panel): ABS/TCS IGN, CRUISE, DRL, ELEC PRNDL, IGN 1, PSD, SIR, T/SIG and PCM [IGN MAIN Relay (Underhood Electrical Center Fuses: A/C CLU, ELEK IGN, IGN 1-U/H, INJ, TCC)] |
| 6 | COOL FAN 1 | Coolant Fans |
| 7 | BATT MAIN 1 | Fuses (Instrument Panel): ABS MOD BATT, CIGAR/DLC, CTSY LAMP, FRT PWR SCKT, PWR LOCK, PWR MIRROR and RR PWR SCKT |
| 8 | IGN MAIN 2 | Ignition Switch to Fuses (I/P): BCM PRGRM, FRT HVAC LOW/MED BLWR, FRT WPR/WSHR, HVAC/DRL, MALL/RADIO/DIC, PWR QRT VENT, RR HVAC, RR WPR/WSHR. SWC ACCY and PWR WDO Circuit Breaker |
| Mini relays | Usage | |
| 9 | COOL FAN | RH FAN 1, LH FAN 2 |
| 10 | COOL FAN 2 | LH FAN 2 |
| 11 | IGN MAIN | FUSES: A/C CLU, IGN 1-U/H, INS, ELEK IGN, TCC |
| 12 | COOL FAN 1 | RH FAN 1, LH FAN 2 |
| Micro relays | Usage | |
| 13 | A/C CLU | A/C Clutch |
| 14 | FUEL PUMP | Fuel Pump |
| 15 | — | Not Used |
| 16 | HORN | Horn |
| 17 | FOG LAMP | LH Fog Lamp, RH Fog Lamp, Fog Lamp Indicator |
| Mini fuses | Usage | |
| 18 | INJ | Fuel Injectors 1-6 |
| 19 | SPARE | Not Used |
| 20 | SPARE | Not Used |
| 21 | IGN1-UH | Evaporative Emissions (EVAP) Canister Purge Valve, Heated Oxygen Sensors 1 and 2, Mass Air Flow (MAF) Sensor |
| 22 | SPARE | Not Used |
| 23 | SPARE | Not Used |
| 24 | SPARE | Not Used |
| 25 | ELEK IGN | Ignition Control Module (ICM) |
| 26 | SPARE | Not Used |
| 27 | B/U LAMP | Transaxle Range Switch to Back-up Lamps |
| 28 | A/C CLU | A/C CLU Relay to A/C Compressor Clutch Oil |
| 29 | RADIO | Driver Information Display, Heater A/C Control, Radio, Rear Side Door Actuator Control Motor, Remote Control Door Lock Receiver (RCDLR), Security Indicator Lamp and Theft-Deterrent Shock Sensor |
| 30 | ALT SENSE | Generator |
| 31 | TCC | Automatic Transaxle (Torque Converter Clutch Solenoids) Stoplamp Switch to PCM |
| 32 | FUEL PUMP | Fuel Pump Relay |
| 33 | ECM SENSE | Powertrain Control Module |
| 34 | — | Not Used |
| 35 | FOG LP | Fog Lamp Relay |
| 36 | HORN | Horn Relay |
| 37 | PARK LP | Daytime Running Lamps (DRL) Control Module, Headlamps and Instrument Panel Dimmer Switch Theft-Deterrent Relay to Headlamps |
| 38 | — | Not Used |
| 39 | AIR | Not Used |
| Diodes | Usage | |
 |
A/C CLU DIODE | Air Conditioning Clutch Diode |
| 40 | — | Mini Fuse Puller |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
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