UNDERHOOD Electrical Center
WARNING: This page is about a different car, the 2002 Buick Regal and 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Underhood electrical center is located on passenger's side of engine compartment, near battery. See Fig 1.
UNDERHOOD ELECTRICAL CENTER LEGEND
| No. | Fuse/Circuit Breaker | Rating | Description |
|---|---|---|---|
| 1 | ABS Fuse | 60A | ABS Module |
| 2 | CRANK Fuse | 40A | CRANK Relay, PRNDL Switch |
| 3 | BAT #3 Fuse | 60A | TRAP ALERT, ONSTAR, LH HEATED SEAT, RH HEATED SEAT, HEATED MIRROR Fuses, REAR DEFOG and POWER SEATS Circuit Breakers |
| 4 | BAT #2 Fuse | 60A | HIGH BLOWER, HAZARD, STOP LAMPS, DOOR LOCKS, and POWER MIRRORS Fuses |
| 5 | IGN 1 Fuse | 30A | IGN Switch, IGN0:CLUSTER, PCM, & BCM, PARK LOCK, ABS, BTSI PARK LOCK, TURN SIGNALS, CORN LPS, SIR, CLUSTER:HUD, PCM, BCM, IGN RELAY, and CRANK SIGNAL, BCM, CLUSTER Fuses |
| 6 | COOL FAN 1 Fuse | 25A | (COOL FAN 1 Relay, RH Cooling Fan |
| 7 | BAT #1 Fuse | 60A | RDO, HVAC, RFA, CLSTR, CEL TEL, ABS, BCM, INADV POWER BUS, RAP, REMOTE RDO PREMIUM SOUND, and AUX PWR Fuses |
| 8 | IGN 2 Fuse | 60A | RAP Relay, IGN Switch, RADIO, WIPER, BCM, POWER DROP, LOW BLOWER, HVAC, and CRUISE Fuses, PWR WINDOWS & SUNROOF Circuit Breaker |
| 9 | COOL FAN 2 Relay | Cooling Fan - Right (during high fan speed operation), Cooling Fan - Left (during low fan speed operation | |
| 10 | COOL FAN 3 Relay | Cooling Fan - Right | |
| 11 | CRANK Relay | PNP Switch, Powertrain Control Module (PCM), and Starter | |
| 12 | COOL FAN 1 Relay | Cooling Fan - Left | |
| 13 | IGN MAIN Relay | OXY SEN, ELEK IGN, F/TNJR, TRANS, ENG EMIS Fuses, and A/C CLUTH Relay | |
| 14 | AIR PUMP Relay | Stop lamp Switch, Evaporative Emissions (EVAP) Canister Vent Solenoid, Evaporative Emissions (EVAP) Canister Purge Solenoid, Mass Air Flow (MAF) Sensor, Secondary Air Injection (AIR) Solenoid (L36), and Supercharger Boost Control Solenoid (L67) | |
| 15 | A/C CLU Relay | A/C Compressor Clutch Coil and A/C CLU Diode | |
| 16 | HORN Relay | Horns and Horn Switch | |
| 17 | FOG LP Relay | Fog Lamp - LF, Fog Lamp - RF, and Fog Lamp Switch | |
| 18 | F/PMP SPD CONT Relay | Fuel Pump and Sender Assembly | |
| 19 | F/PMP Relay | Fuel Pump and Sender Assembly | |
| 20 | AIR PUMP Fuse | 30A | AIR PUMP Relay and Secondary Air Injection (AIR) Pump (L36) |
| 21 | GEN Fuse | 10A | Generator |
| 22 | ECM Fuse | 10A | Powertrain Control Module (PCM) |
| 23 | A/C CLU Fuse | 10A | A/C CLUTCH Relay, A/C CLU Diode, A/C Compressor Clutch |
| 24 | COOL FAN 2 Fuse | 15A | COOL FAN 2 Relay, and COOL FAN 3 Relay |
| 25 | ELEK IGN Fuse | 15A | ignition Control Module (ICM) |
| 26 | TRANS Fuse | 10A | 1 - 2 Shift Solenoid (1-2 SS) Valve, 2-3 Shift Solenoid (2-3 SS) Valve, and Torque Converter Clutch (TCC) Solenoid Valve |
| 27 | HORN Fuse | 15A | Horn Relay |
| 28 | F/INJR Fuse | 15A | Fuel Injectors (1 - 6) |
| 29 | OXY SEN Fuse | 15A | Heated Oxygen Sensor (HO2S) 1 and Heated Oxygen Sensor (HO2S) 2 |
| 30 | ENG EMIS Fuse | 10A | Stop Lamp Switch, Evaporative Emissions (EVAP) Canister Vent Solenoid, Evaporative Emissions (EVAP) Canister Purge Solenoid, Mass Air Flow (MAF) Sensor, Secondary Air Injection (AIR) Solenoid (L36), and Supercharger Boost Control Solenoid (L67) |
| 31 | FOG LP Fuse | 10A | FOG LP Relay |
| 32 | HDLP R Fuse | 15A | Headlamp Assembly - Right |
| 33 | R/CMPT REL Fuse | 7.5A | Backup Lamp Relay and Park/Neutral Position (PNP) Switch |
| 34 | LP PARK Fuse | 20A | Headlamp Switch, Park Lamp Relay, and Headlamp Relay |
| 35 | F/PMP Fuse | 15A | F/PMP Relay and F/PMP SPD CONT Relay (L67) |
| 36 | HDLP L Fuse | 15A | Headlamp Assembly - Left |
| 37 | SPARE Fuse | 7.5A | Not Used |
| 38 | SPARE Fuse | 10A | Not Used |
| 39 | SPARE Fuse | 15A | Not Used |
| 40 | SPARE Fuse | 20A | Not Used |
| 41 | SPARE Fuse | 30A | Not Used (Regal w/NC1 only) |
| 42 | SPARE | - | Not Used |
| 43 | Empty | - | - |
| 44 | Fuse Puller | - | - |