The Buick Park Avenue, spanning from 1997 to 2005, exemplifies Buick’s commitment to luxury and comfort in the full-size sedan segment. Its advanced electrical system includes essential components such as the fuse box and relays.
The fuse box in the Buick Park Avenue 1997–2005 houses fuses designed to protect electrical circuits from overloads and short circuits, ensuring the safety of critical components like headlights, taillights, and power windows. Relays, serving as electrically controlled switches, manage the flow of electricity to systems such as the starter motor, fuel pump, and cooling fans, ensuring efficient and reliable operation.
Additional sophisticated electrical components in the Buick Park Avenue of this era include climate control systems, power-adjustable seats, and premium audio systems. These features rely on a robust electrical infrastructure to enhance comfort, convenience, and entertainment for occupants.
Understanding the layout and function of the fuse box and relays is crucial for maintaining and troubleshooting the Buick Park Avenue 1997–2005’s electrical systems. Regular inspection and maintenance of these components help ensure the vehicle’s reliability and performance, maintaining its reputation as a luxurious and dependable sedan in Buick’s lineup.
(1997-2005) Buick Park Avenue fuse box and relay with Diagram
WARNING
- Never replace a fuse with one that has a higher amperage rating.
- A fuse with a too-high amperage could damage the electrical part and cause a fire.
- On no account should fuses be repaired (e.g. patched up with tin foil or wire) as this may cause serious damage elsewhere in the electrical circuit or cause a fire.
- If a fuse blows repeatedly, do not keep replacing it. Instead, have the cause for the repeated short circuit or overload tracked and fixed.
- Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
Buick Park Avenue 1997-2005 fuse assignment
Year of production: 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
Instrument panel fuse box
Fuse Box Location
It is located under the glove box (remove the bottom of the glove box and the fusebox cover).
Fuse box diagram
| Name | Description |
|---|---|
| SBM | Interior Lamps |
| PDM | PDM Module |
| A/C | HVAC Motor, HVAC Mix Motors |
| IGN SEN | Auto Dimming Mirror, Driver HTS Seat, Rear Defog Relay, MEM Module, Cool LVL Sensor, Passenger Heated Seat |
| ELC | HVAC Flat Pk Mtrs, Electronic Level Control Sensor, Electronic Level Control Sensor (Rear Fuse Block |
| ABS | Anti-Lock Brake System Module |
| HVAC | HVAC Main Con Head, HVAC Programmer, Instrument Panel Cluster |
| CR CONT | Stepper Motor Cruise, Cruise Switch |
| HUD | Head-Up Display Switch, Head-Up Display |
| CSTR/SBM | HVAC Programmer, Instrument Panel Cluster, SBM (275 to LCM) (1135 to BTSI SL) |
| LP PK L | Underhood Lamp, Left Park/Sidemarker, Left Park/Turn Lamp, SBM, Left Tail Signal Lamp, Left Tail/Stoplamp, Left Rear Sidemarker |
| LP PK R | Right Park/Sidemarker Lamp, Right Park/Turn Lamp, Right Tail/Sign Lamp, Right Tail/Stoplamp, Right 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 | Auto Dimming Mirror, Back-Up Lamps |
Auxiliary Instrument Panel Fuse Block (if equipped)
It is located under the glove box, near the main fusebox.
Auxiliary Instrument Panel Fuse Block
| Name | Description |
|---|---|
| PERIM LP | Perimeter Lamps |
| ACCY | Accessory |
| IGN 3 | Ignition 3 |
Rear Underseat Fuse Box
Fuse Box Location
It is located under the rear seat (remove the seat and open the cover).
Fuse box diagram
Assignment of the fuses and relays in the Rear Underseat Fuse Box
| â„– | Description |
|---|---|
| 7 | Crank |
| 8 | 1998-1999: Auxiliary Outlet (2 in Cn), Auxiliary Outlet (1 in St) 2000-2005: Accessory Outlet |
| 9 | Powertrain Control Module for Cruise |
| 10 | SBM Module |
| 11 | Radio/Phone |
| 12 | Sunroof |
| 13 | Spare |
| 14 | CD Changer, Phone |
| 15 | Driver Door Module |
| 16 | Spare |
| 17 | 1998-1999: Amp, Radio Head 2000-2005: Radio |
| 18 | Driver Heated Seat Module |
| 19 | Rear Door Module |
| 20 | 1998-1999: Fuel Door Rel Solenoid, Trunk Release Relay, DLC 2000-2005: Trunk Release |
| 21 | Spare |
| 22 | Instrument Panel Ashtray Cigarette Lighter |
| 23 | Spare |
| 24 | Spare |
| 25 | Passenger Heated Seat Module |
| 26 | Right Rear Cig Lighter |
| 27 | Left Rear Cig Lighter |
| 28 | RFA, Memory Seat Module, Driver Seat Switch |
| Relays | |
| 1 | Heated Backlite |
| 2 | Retained Accessory Power (RAP) |
| 3 | Trunk Release |
| 4 | Electronic Level Control |
| 5 | Power Seat |
| 6 | Electronic Level Control Sensor, Electronic Level Control Compressor Solenoid |
Fuse Box in the engine compartment
Fuse Box Location
Fuse box diagram (1998-1999)
Assignment of the fuses and relays in the engine compartment (1998-1999)
| â„– | Description |
|---|---|
| 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 |
Fuse box diagram (2000-2005)
Assignment of the fuses and relays in the engine compartment (2000-2005)
| â„– | Description |
|---|---|
| 1 | 2000-2004: Air Sol 2005: Not used |
| 2 | SBM, LCM |
| 3 | Turn Signal |
| 4 | Pre-Oxygen Sensor, Post-Oxygen Sensor |
| 5 | Air Bag (SIR) |
| 6 | Powertrain Control Module |
| 7 | Air Conditioning Clutch |
| 8 | Ignition Feed |
| 9 | Horn Relay |
| 10 | Spare |
| 11 | Spare |
| 12 | Injectors #1-6 |
| 13 | C-31 |
| 14 | Right High Beam |
| 15 | Spare |
| 16 | Left High Beam |
| 17 | Spare |
| 18 | Right Low Beam |
| 19 | Left Low Beam |
| 20 | Stop |
| 21 | Fuel Pump Relay (Wire in BEC) |
| 22 | Run/Crank |
| 23 | Powertrain Control Module |
| 24 | Parking Lamps |
| 25 | Hazard Flashers |
| 26 | Spare |
| 27 | Spare |
| 28 | ABS #2 |
| 38 | Bat #1 |
| 39 | Blower Motor |
| 40 | Cooling Fan 1 |
| 41 | Headlamp |
| 42 | BAT #2 |
| 43 | Ignition |
| 44 | Starter |
| 45 | ABS |
| 46 | Fuse Puller |
| Relays | |
| 29 | Ignition |
| 30 | Horn |
| 31 | Cooling Fan 1 |
| 32 | Starter |
| 33 | Not Used |
| 34 | Cooling Fan SP |
| 35 | Cooling Fan 2 |
| 36 | Air Conditioning Clutch |
| 37 | Fuel Pump |
| 36 | Air Conditioning Clutch |
| 37 | Fuel Pump |
Conclusion
For owners and enthusiasts of classic Buick Park Avenue models from 1997-2005, understanding the fuse box and relay systems is essential for vehicle maintenance. Regular inspection and maintenance of these components helped ensure the vehicle’s longevity and reliability, preserving its status as a symbol of Buick’s craftsmanship and innovation in the automotive industry during that era.
