Buick Park Avenue (1998 – 1999) – fuse box diagram
Year of production: 1998, 1999
Instrument Panel Fuse Block
The instrument panel fuse block is located to the far right side under the instrument panel.
| Fuses | Usage |
| SBM | Interior Lamps |
| PDM | PDM Module |
| A/C | HVAC Motor, HVAC Mix Motors |
| IGN SEN | EC Mirror, Driver HTS Seat, Rear Defog Relay, MEM Module, Cool LVL Sensor, Pass Heated Seat |
| ELC | HVAC Flat Pk Mtrs, Electronic Level Control Sensor, Electronic Level Control Sensor (R Bec) |
| ABS | Anti-Lock Brake System Module |
| HVAC | HVAC Main Con Head, HVAC Programmer, IPC |
| CR CONT | Stepper Motor Cruise, Cruise Switch |
| HUD | HUD Switch, HUD Display |
| CSTR/SBM | HVAC Programmer, Instrument Panel Cluster, SBM (275 to LCM) (1135 to BTSI SL) |
| LP PK L | Underhood Lamp, L PK/ Sidemarker, L Park/Turn Lamp, SBM, L Tail Signal Lamp, L Tail/Stoplamp, L Rear Sidemarker |
| LP PK R | Rt Pk/Sidemarker Lamp, Rt PK/Turn Lamp, Rt Tail/Sign Lamp, Rt Tail/Stoplamp, Rt Rear Sidemarker, Stop/Taillamp, Tail/Signal Lamp, License Lamp, RFA |
| RUN | Run/Accessory |
| WSW | Wiper Motor |
| Blank | Not Used |
| WSW/RFA | Wiper Switch, RFA, Rain Sense |
| B/U LP | EC Mirror, Back-Up Lamps |
Underhood Fuse Block
There are additional fuses located in the engine compartment on the passenger’s side of the vehicle.
| Position | Usage |
| 1 | Not Used |
| 2 | SBM, LCM |
| 3 | Turn Signal |
| 4 | Pre-Oxygen Sensor, Post-Oxygen Sensor |
| 5 | SDM-R Module |
| 6 | PCM, MAF Sensor |
| 7 | AC Clutch |
| 8 | Brake Switch, Trans Shift, PCM/ EGR Ref, Lin EGR, Cnstr Purge Sol, Cnstr Purge SW |
| 9 | Horn Relay |
| 10 | Not Used |
| 11 | Not Used |
| 12 | Injectors #1-6 |
| 13 | Ignition Module |
| 14 | Rt High Beam |
| 15 | Not Used |
| 16 | Lt High Beam |
| 17 | Not Used |
| 18 | Rt Low Beam |
| 19 | Lt Low Beam |
| 20 | Turn Signal, Stepper Mtr, Brake Lamp, CHMSL |
| 21 | Fuel Pump Relay (Wire in BEC) |
| 22 | Ignition Switch |
| 23 | In Key Module, PCM |
| 24 | To IP BEC-B/U Lamp |
| 25 | Flasher Module |
| 26 | Not Used |
| 27 | Not Used |
| 28 | Relay–Ignition |
| 29 | Relay–Horn |
| 30 | Relay–Cooling Fan #2 |
| 31 | Relay–Starter |
| 32 | Not Used |
| 33 | Relay–Cooling Fan S/P |
| 34 | Relay–Cooling Fan #1 |
| 35 | Relay–A/C CLU micro |
| 36 | Relay–Fuel Pump micro |
| 37 | BAT #1 |
| 38 | HVAC Blower Motor |
| 39 | Low Speed Fan Relay |
| 40 | LCM Module |
| 41 | BAT #2 |
| 42 | IGN |
| 43 | Starter |
| 44 | High Speed Fan Relay |
Rear Compartment Fuse Block
Additional fuses are located in the fuse center under the rear seat. The rear seat cushion must be removed to access the fuses.
| Position | Usage |
| 1 | Relay–Heated Backlite to Rear Grid |
| 2 | Relay–Rap |
| 3 | Relay–Trunk Release to Solenoid |
| 4 | Relay–ELC to Compressor |
| 5 | Memory Seat Module, Driver Seat Switch, Driver Lumbar SW |
| 6 | ELC Sensor, ELC Compressor Solenoid |
| 7 | Crank |
| 8 | Auxiliary Outlet (2 in Cn), Auxiliary Outlet (1 in St) |
| 9 | PCM/CRU |
| 10 | SBM Module |
| 11 | Radio/Phone |
| 12 | Sunroof |
| 13 | Not Used |
| 14 | Cell Phone Handset, Cell Phone Booster, CD Changer |
| 15 | Driver Door Module |
| 16 | Not Used |
| 17 | Amp, Radio Head |
| 18 | Driver Heated Seat Module |
| 19 | Rear Door Mod (2 LD) |
| 20 | Fuel Door Rel Solenoid, Trunk Release Relay, DLC |
| 21 | Not Used |
| 22 | IP Ashtray Cigarette Lighter |
| 23 | Not Used |
| 24 | Not Used |
| 25 | Passenger Heated Seat Module |
| 26 | Rt Rear Cig Lighter |
| 27 | Lt Rear Cig Lighte |
| 28 | RFA, Memory Seat Module, Driver Seat Switch |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.