1994-1999 Buick Regal Brake Light Switch: A Complete Guide
Understanding, diagnosing, and replacing the brake light switch in your W-Body Buick Regal.
- A faulty brake light switch can cause your brake lights to fail or stay on, and can also disable your cruise control.
- This is a simple and inexpensive DIY repair; the hardest part is working in the tight space under the dashboard.
- For this vehicle, a quality aftermarket brand like Standard Ignition is a reliable and cost-effective choice.
- If replacing the switch doesn't fix a brake light issue, check the bulbs, fuses, and the multifunction switch next.
Is Your Regal's Brake Light Switch Failing?
A bad brake light switch is a common issue on many vehicles, including the 1994-1999 Buick Regal. The symptoms are usually straightforward, but they can be a major safety concern. Ignoring them is not recommended. The most common signs of failure are directly related to the brake lights and cruise control.
Symptoms of a Bad Brake Light Switch
- Brake Lights Don't Work: This is the most serious symptom. If the switch fails in the open position, your brake lights will not illuminate when you press the pedal, creating a dangerous situation for drivers behind you.
- Brake Lights Stay On: If the switch gets stuck or fails in the closed position, your brake lights may remain on even when you're not braking. This can drain your battery and confuse other drivers. 🎬 Watch this video to see how a stuck switch is replaced.
- Cruise Control Inoperable: The same switch signals the cruise control to turn off. If the switch is faulty, your cruise control may not engage at all, or it might not disengage when you press the brake pedal.
- ABS Light On: On some vehicles, a faulty brake light switch can cause the Anti-lock Braking System (ABS) light to illuminate on the dashboard.
Choosing the Right Aftermarket Switch
For a vehicle like the 1994-1999 Regal, the original GM part may be discontinued or hard to find. Aftermarket parts are a perfectly good option and are widely available. The key is choosing a quality brand.
Standard Ignition (Standard Motor Products): This is a well-known aftermarket brand that has been around for a long time. They often manufacture parts for major auto parts stores under different labels. For a simple part like a brake light switch, their standard line offers a reliable, cost-effective solution that meets or exceeds original specifications. Forum users and mechanics generally consider Standard a quality brand for replacement electronics.
When shopping, you might see different product lines from the same manufacturer (e.g., a standard line and a premium line). For this specific part on a Regal, a quality standard replacement from a brand like Standard Ignition is more than sufficient for reliable, long-term performance.
Cost of Replacing a Brake Light Switch
Replacing the brake light switch on this generation of Buick Regal is one of the more affordable repairs you can perform. The part itself is inexpensive, and if you're comfortable working in the driver's side footwell, you can save on labor costs.
| Part/Service | Estimated Cost |
|---|---|
| New Aftermarket Switch (Standard Ignition) | $15.72 - $42.37 |
| New OEM GM Switch | $15 - $25 |
| Shop Labor | $50 - $100 |
| DIY Total Cost | $15.72 - $42.37 |
| Shop Total Cost | $65 - $143 |
A Note on Other Brake Light Problems
If you replace the switch and still have issues, check for other common culprits. These include burnt-out bulbs, a blown fuse, or a problem with the turn signal switch (multifunction switch) in the steering column, which can sometimes affect brake light circuits on these GM cars.
🎬 See how to troubleshoot common brake light issues on similar GM models.Frequently Asked Questions
Where is the brake light switch located on my Regal?
The brake light switch is located directly above the brake pedal, attached to the pedal support bracket. You will need to look up under the dashboard in the driver's footwell to see it. It's a small plastic switch with a wiring connector.
Is this a difficult part to replace myself?
No, this is a good job for a beginner. The main difficulty is the awkward position required to work under the dashboard. The switch is typically held in place by a clip or a small bolt. You simply disconnect the electrical connector, remove the old switch, install the new one, and reconnect the wiring. No special tools are usually needed beyond basic hand tools.
🎬 Watch a step-by-step walkthrough of the switch replacement process.Do I need to adjust the new switch?
Most aftermarket switches for this vehicle are self-adjusting or designed to be a direct fit without adjustment. When you install the new switch, make sure its plunger is being depressed by the brake pedal arm when the pedal is at rest, and that it releases when you press the pedal. An incorrectly installed switch can cause the lights to stay on or not work at all.
Are there any recalls for the brake light switch on my 1994-1999 Regal?
Based on searches of the NHTSA database, there are no specific recalls for the brake light switch itself on the 1994-1999 Buick Regal. Recalls found were for much newer model years and different brake system components.
Helpful Videos
Technical Specifications
OEM Part Numbers: 10180504 12450023 15128745 15741137 93801734
Located on the brake pedal support bracket. Typically features a 2-pin or multi-pin electrical connector. The switch functions to activate brake lights and deactivate cruise control.
We Have This Part in Stock
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.
- Buick Regal: