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1996-2000 Buick Park Avenue Brake Light Switch Replacement Guide

Solve common brake light, cruise control, and gear shifter problems by understanding this critical part.

4 minutes to read 1996-2000 Buick Park Avenue
Difficulty
1/5
Est. Time
0.5 hrs
DIY Doable?
✅ Yes
Shop Labor
$50-$100
Used OEM Price
$10-$25
🚫 Do not drive — It is not safe to drive if your brake lights are not working, as other drivers cannot see when you are slowing down.
Key Takeaways
  • A failing brake light switch on a 1996-2000 Park Avenue affects the brake lights, cruise control, and ability to shift out of Park.
  • Symptoms include brake lights not working, staying on, or being unable to shift gears.
  • This is a critical safety repair; do not drive if your brake lights are not functioning.
  • DIY replacement is straightforward, located on the brake pedal arm, and can be done in under an hour.
The brake light switch on your 1996-2000 Buick Park Avenue is more than just a simple on-off switch for your brake lights. It is a critical component that tells other systems in your car what your brakes are doing. When you press the pedal, it activates the brake lights, but it also sends a signal to disengage the cruise control system. Furthermore, it controls the shift interlock, a safety feature that prevents you from moving the gear selector out of 'Park' unless the brake pedal is depressed.

Is Your Park Avenue's Brake Light Switch Failing?

A bad brake light switch on the 1996-2000 Park Avenue can cause a range of confusing issues. Because the switch is tied to several systems, symptoms aren't always straightforward. A failure can be caused by normal wear and tear on the internal contacts over time. Recognizing the signs early is key to a safe and simple repair.

Common Symptoms of Failure:

🎬 Watch: Video breakdown of bad brake light switch symptoms
  • Brake Lights Don't Work: The most obvious and dangerous symptom is when your brake lights fail to turn on when you press the pedal.
  • Brake Lights Stay On: The switch can also fail in the 'on' position, causing the brake lights to remain lit even when your foot is off the pedal. This can drain your battery and confuse other drivers.
  • Cannot Shift Out of Park: If the switch fails, it won't send the signal to the shift interlock, leaving your car stuck in Park.
  • Cruise Control Issues: A faulty switch can prevent the cruise control from engaging or cause it to shut off unexpectedly while driving.
  • ABS or Traction Control Light: In some cases, a faulty switch can send erratic signals to the car's computer, triggering the ABS or traction control warning lights.

Safety First: A Critical Repair

If your brake lights are not working, it is a serious safety hazard. Do not drive the vehicle until this issue is fixed. Other drivers will have no warning that you are slowing down or stopping, which can easily lead to a rear-end collision.

Choosing the Right Aftermarket Brake Light Switch

For a vehicle like the 1996-2000 Park Avenue, high-quality aftermarket parts offer excellent value. The original GM parts may be harder to find, and a good aftermarket replacement will perform just as well. The key is choosing a reputable brand.

  • Premium Aftermarket (ACDelco, Standard Ignition): ACDelco is GM's own parts brand and offers parts that are either original equipment (OE) or designed to meet the same standards. Standard Ignition (SMP) is a well-respected brand known for quality electronic components. For a critical part like a brake light switch, choosing one of these brands ensures reliability and proper function.
  • Standard Aftermarket (Rostra): Rostra is known for automotive electronics, including cruise control systems and switches. While they are a viable option, ACDelco and Standard are generally considered top-tier choices for this specific component.

Pro Tip: When replacing the switch, it's a good idea to disconnect the battery first to prevent any electrical shorts. The switch is located on the brake pedal bracket under the dashboard and is typically held in place by a clip or a small bolt, making it accessible for a DIY repair.

🎬 Watch: How to test and replace a brake light switch

Cost of Replacing a Brake Light Switch

This is an inexpensive repair, especially if you do it yourself. The primary cost is the part itself, with professional labor being a small additional charge.

Part/Service Estimated Cost
New Aftermarket Brake Light Switch $15 - $28
Shop Labor $50 - $100
Total Estimated Cost (DIY) $15 - $28
Total Estimated Cost (Installed) $65 - $128

Frequently Asked Questions (FAQ)

Can I replace the brake light switch myself?

Yes, this is a common DIY repair for many car owners. The switch is located above the brake pedal arm and is usually easy to access. The job typically requires basic hand tools and can be completed in under an hour.

Were there any recalls for the brake light switch on this Park Avenue?

Searches of the NHTSA database did not reveal any specific recalls for the brake light switch on the 1996-2000 Buick Park Avenue. However, GM has issued recalls and special coverage for similar issues on other vehicles, highlighting the importance of this component's function.

Why did my cruise control stop working when the brake lights failed?

The cruise control system relies on the brake light switch to know when you've pressed the brake pedal, which is its signal to disengage. If the switch is faulty and sending a constant 'brake on' signal, the cruise control will not activate. Replacing the switch should fix both problems.

What's the difference between a cheap and a quality aftermarket switch?

While the price difference may be small, quality brands like ACDelco and Standard Ignition use better materials for the internal contacts and housing. This leads to a longer lifespan and more reliable performance, preventing you from having to do the job again in the near future.

Brake Pedal and Brake Light Sensor Switch Testing and Replacement
Brake Pedal and Brake Light Sensor Switch Testing and Replacement
SYMPTOMS OF A BAD BRAKE LIGHT SWITCH
SYMPTOMS OF A BAD BRAKE LIGHT SWITCH

Technical Specifications

OEM Part Numbers: 10339316 10415200 25668333

The switch is located on the brake pedal assembly under the driver's side dashboard. It is a plunger-style switch that is activated by the movement of the brake pedal arm. It typically features a 4-pin or 6-pin electrical connector.

Wrenchy
Article researched & written by
Go-Parts' AI research assistant. Every article is backed by live web research, verified OEM data, and real technician knowledge — so you get accurate, up-to-date information you can trust.
Meet Wrenchy → Updated Jul 21, 2026

The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.

Year Coverage
This article covers the Brake Light Switch for:
  • Buick Park Avenue: 19961997199819992000
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