A Guide to the 1986-1994 Acura Integra Brake Light Switch
Learn how to diagnose common brake light problems and choose the right replacement switch for your first or second-generation Integra.
- Before replacing the switch, always inspect the small plastic stopper pad on the brake pedal arm; its failure is the most common cause of brake lights staying on.
- A faulty brake light switch is a critical safety issue that makes your vehicle unsafe and illegal to drive.
- Replacement is a simple DIY job for most owners, requiring only basic hand tools and about 30 minutes.
- Quality aftermarket brands like Beck Arnley and Standard Ignition offer a reliable, cost-effective alternative to the more expensive OEM part.
Is Your Brake Light Switch Failing?
A faulty brake light switch can create serious safety hazards. Recognizing the symptoms early is key. Because these Integras are older, the problems are well-documented and often simple to diagnose.
Check This First: The Pedal Stopper Pad
By far the most common failure is not the switch itself, but a small plastic or rubber pad on the brake pedal arm. This pad, called a pedal stopper, is what presses the switch's plunger in when the brake pedal is at rest. Over time, these pads become brittle and crumble, falling to the floor mat in pieces. When this happens, the switch's plunger extends through the now-empty hole in the pedal arm, causing the brake lights to stay on constantly and drain your battery. Before buying a new switch, always check for the presence and condition of this small, inexpensive part.
Common Symptoms of a Bad Brake Light Switch
- Brake Lights Stay On: As mentioned, this is usually caused by a disintegrated pedal stopper pad, but can also be an internally failed or stuck switch.
- Brake Lights Do Not Turn On: If the switch has failed internally or the wiring is damaged, your brake lights will not illuminate at all when you press the pedal. This is a critical safety failure.
- Cannot Shift Out of Park (Automatic Transmission): The brake light switch sends a signal to the shift interlock, allowing you to move the shifter out of Park. If the switch is bad, your shifter may get stuck.
- Cruise Control Won't Engage or Disengages Randomly: The switch is a primary input for the cruise control system. A faulty or improperly adjusted switch can prevent the system from working correctly.
Choosing the Right Aftermarket Brake Light Switch
For a vehicle like the 1986-1994 Integra, a new OEM switch from Acura can be expensive and may not be necessary. High-quality aftermarket parts provide excellent performance and value. Here’s a breakdown of available brands.
Brand Quality Tiers
- Tier 1: Premium Aftermarket (Beck Arnley, Standard Ignition): These brands are well-respected in the industry. Beck Arnley specializes in meeting or exceeding OE specifications for foreign nameplates, focusing on correct form, fit, and function. Standard Ignition (SMP) is a trusted name for electrical components. Choosing from this tier ensures a durable, reliable part.
- Tier 2: Reputable Aftermarket (Facet): Facet is a European manufacturer that produces parts to OE standards. They are a solid mid-range option that offers a good balance of quality and price.
- Tier 3: Economy (Replacement, Rostra Powertrain): 'Replacement' is often a generic or store brand, offering the lowest price point. Rostra is known for other components, so their switches may be sourced from various manufacturers. These are budget-friendly options, but may not have the same long-term durability as premium brands.
Estimated Replacement Costs
The cost to replace a brake light switch is very reasonable, especially if you do it yourself. The part itself is inexpensive, and labor is minimal.
| Part/Service | Estimated Cost |
|---|---|
| New Aftermarket Switch | $15 - $48 |
| New OEM Switch | $35 - $55 |
| Shop Labor | $50 - $100 |
| Total Professional Replacement | $65 - $148 |
Pro Tip: When replacing the switch, it's a good idea to also replace the brake pedal stopper pad. This inexpensive part is likely near the end of its life and replacing it with the switch can prevent a future breakdown.
Frequently Asked Questions (FAQ)
Where is the brake light switch located on a 1986-1994 Integra?
The brake light switch is located under the driver's side dashboard. You will find it mounted on a bracket directly above the brake pedal arm. You will need to look up from the floor to see it.
Can I adjust the brake light switch?
Yes, the switch is adjustable. It is threaded into its bracket and held in place by a lock nut. Proper adjustment is critical. The switch's plunger should be fully depressed when the brake pedal is at rest, but not so tight that it pre-loads the pedal.
I found little blue or green plastic bits on my floor mat. What are they?
Those are almost certainly the remains of your brake pedal stopper pad. This is the most common reason for brake lights staying on in this generation of Integra. You must replace this pad to fix the issue.
Why can't I shift my automatic Integra out of Park?
The brake light switch is part of the safety shift-interlock system. The car requires a signal from the switch (indicating the brake is pressed) before it will allow the shifter to move out of Park. A failed switch can prevent this signal, leaving you stuck.
Helpful Videos
Technical Specifications
OEM Part Numbers: 35350-SE0-A01 35350-SE0-A03 36750-SE0-013
The brake light switch for the 1986-1994 Acura Integra is a plunger-type switch that threads into a bracket above the brake pedal. It typically features a 2-pin or 4-pin electrical connector, depending on whether the vehicle is equipped with cruise control. Always verify the pin count and connector shape before purchasing.
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.
- Acura Integra: