Share this

Buick Park Avenue (2003 - 2005) - fuse box diagram

avatar Jonathan Yarden Jan 30, 2021 · 5 min. read

In this article you will find a description of fuses and relays Buick, 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, 2004, 2005

Main Instrument Panel Fuse Block

The main instrument panel fuse block is located under the instrument panel, on the passenger’s side of the vehicle.

Buick Park Avenue - fuse box - main instrument fuse panel

Fuses Usage
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

The auxiliary instrument panel fuse block is located under the instrument panel, on the passenger’s side of the vehicle.

Buick Park Avenue - fuse box - auxiliary instrument panel

Fuses Usage
PERIM LP Perimeter Lamps
ACCY Accessory
IGN 3 Ignition 3

Underhood Fuse Block

There are additional fuses located in the engine compartment on the passenger’s side of the vehicle.

Buick Park Avenue - fuse box - underhood

Fuses Usage
1 Not Used
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


Relays Usage
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


Fuses Usage
38 Bat #1
39 Blower Motor
40 Cooling Fan 1
41 Headlamp
42 BAT #2
43 Ignition
44 Starter
45 ABS
46 Fuse Puller

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.

Buick Park Avenue - fuse box - rear compartment

Relays Usage
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


Fuses Usage
7 Crank
8 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 Radio
18 Driver Heated Seat Module
19 Rear Door Module
20 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

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

Still have questions or want to supplement the article? Discuss On Telegram

Access the private club

Become a member of and get access to our private telegram bot. Accelerated access and smart search of fuse box & wiring diagrams.
P.S. We never spam!

May Be Useful