Acura CL Brake Light Switch Guide for 1997-2003 Models
Fix common electrical issues like brake light failure and getting stuck in Park by understanding your brake light switch.
- A faulty brake light switch can cause multiple issues: no brake lights, getting stuck in Park, and cruise control failure.
- Before replacing the switch, check for a broken plastic stopper pad on the brake pedal arm; this is a common and cheaper fix.
- Replacement is a simple DIY task, located in the driver's footwell above the brake pedal, usually requiring no special tools.
- It is unsafe to drive if your brake lights are not working.
Is a Failing Brake Light Switch a Common Problem on the 1997-2003 Acura CL?
Yes, failure of the brake light switch is a known issue for this generation of Acura CL and similar Honda/Acura vehicles. The problem can stem from the switch itself wearing out or from a small plastic stopper on the brake pedal arm breaking. When this stopper disintegrates, the switch's plunger is no longer pressed, causing the car to think the brakes are always on. This can drain the battery. Before replacing the switch, always check for small, broken plastic pieces on the driver's side floor mat, as this indicates a much cheaper and simpler fix is needed (replacing the stopper, part number 46505-SA5-000).
Important Recall Information
There was a recall issued in November 2003 for 1997-1999 Acura CL models related to the ignition switch, not the brake light switch. This recall addressed a problem where the key could be removed without the car being in Park. While searching for brake light switch issues, no specific recalls or Technical Service Bulletins (TSBs) for the brake light switch on the 1997-2003 Acura CL were found in the searched resources. However, similar Honda models of the era have had TSBs for malfunctioning brake pedal position switches causing VSA warning lights or the inability to shift from Park.
Choosing the Right Aftermarket Brake Light Switch
When your original switch fails, you have a choice between OEM (Original Equipment Manufacturer) and aftermarket parts. For a simple component like a brake light switch, a quality aftermarket part can offer significant savings without a noticeable difference in performance or longevity.
- Premium Aftermarket (e.g., Standard Ignition): Brands like Standard Motor Products (SMP) are well-regarded in the repair industry. They often meet or exceed OEM specifications and are a reliable choice. Reviews for Standard Ignition switches are generally positive, citing good fit and function.
- Standard Aftermarket (e.g., Facet, Rostra Powertrain): Facet and Rostra are established manufacturers that produce a wide range of automotive components. They are considered solid, budget-friendly alternatives to premium brands and OEM parts. User reviews are mixed but generally positive, often mentioning good value.
- Economy (e.g., Replacement): This category typically includes house brands or unbranded parts. While they are the most affordable, quality can be inconsistent. For a critical safety component like a brake light switch, it's often worth spending a few extra dollars for a part from a known manufacturer.
Pro Tip: Before installing a new switch, carefully inspect the brake pedal assembly. Look for a missing or crumbled plastic stopper pad where the switch makes contact. This is a very common failure point on older Honda and Acura vehicles and is a much cheaper fix than replacing a perfectly good switch.
Estimated Costs for Brake Light Switch Replacement
| Part Type | Estimated Cost |
|---|---|
| New Aftermarket Switch | $14.84 - $57.66 |
| Shop Labor | $50 - $100 |
| Total Professional Replacement | $65 - $158 |
Note: Costs are estimates and can vary based on your location, the specific repair shop, and the brand of part chosen.
Frequently Asked Questions (FAQ)
Why can't I shift my Acura CL out of Park?
This is a classic symptom of a bad brake light switch. Your car has a safety feature called a shift interlock that requires a signal from the brake light switch (confirming your foot is on the brake) before it will allow the shifter to move. If the switch is faulty, the signal is never sent, and you'll be stuck in Park.
Why did my cruise control stop working?
The cruise control system also relies on the brake light switch. It needs to know when you press the brakes to disengage automatically. If the switch is faulty, the cruise control system may not engage at all as a safety precaution.
Are my brake lights staying on and draining my battery?
Yes, this can happen if the switch fails in the 'on' position or, more commonly, if the small plastic stopper on the brake pedal arm breaks and falls out. Without the stopper, the switch's plunger remains extended, keeping the brake light circuit active and draining your battery when the car is off.
Is replacing the brake light switch a difficult DIY job?
No, for most people with basic tools, this is a very easy job. The switch is located in the driver's footwell, just above the brake pedal. It typically involves unplugging an electrical connector and twisting the switch to remove it. The entire process can often be done in under 15 minutes.
Technical Specifications
OEM Part Numbers: 36750-S84-003 36750-SMA-003
The switch is a plunger-type, normally open switch that closes a circuit when the brake pedal is depressed, releasing the plunger. It is located on a bracket above the brake pedal arm.
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 CL: