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1981-1989 Lincoln Town Car Brake Light Switch: Symptoms and Replacement

Don't get left in the dark; learn the signs of a failing brake light switch in your classic Town Car.

3 minutes to read 1981-1989 Lincoln Town Car
Difficulty
1/5
Est. Time
0.5 hrs
DIY Doable?
✅ Yes
Shop Labor
$50-$100
🚫 Do not drive — It is not safe to drive a vehicle with non-functioning brake lights.
Key Takeaways
  • A bad brake light switch is a critical safety issue; do not drive if your brake lights are not working.
  • Symptoms include non-working brake lights, lights that stay on, or cruise control failure.
  • Replacement is simple, located on the brake pedal arm, and is a great DIY task for beginners.
  • The OEM Motorcraft part is highly recommended and often costs about the same as aftermarket options.
The brake light switch on your 1981-1989 Lincoln Town Car is a small but critical sensor. It is mounted on the brake pedal support bracket. When you press the brake pedal, the switch closes an electrical circuit, which turns on your brake lights. This simple action is vital for alerting other drivers that you are slowing down or stopping. In addition to controlling the brake lights, this switch also sends a signal to disengage your cruise control system when you tap the brakes.

Is Your Brake Light Switch Failing?

A faulty brake light switch on a first-generation Town Car can cause several noticeable problems. Because this part is directly tied to safety, it's important to recognize the symptoms early. The internal contacts can wear out over time, or the switch can simply fall out of adjustment.

Common Symptoms of a Bad Switch:

  • Brake Lights Don't Work: The most serious symptom is when your brake lights do not light up at all when you press the pedal. This is a major safety hazard.
  • Brake Lights Stay On: The switch can 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 drivers behind you.
  • Cruise Control Issues: You may find that the cruise control will not turn on, or it might shut off unexpectedly while you are driving.
  • Car Stuck in Park: On some models, a bad brake light switch can prevent the shift interlock from disengaging, meaning you can't move the gear selector out of Park.
Safety First: Driving without functional brake lights is illegal and extremely dangerous. If you suspect your brake light switch has failed, you should not drive the vehicle until it is repaired.

Choosing the Right Aftermarket Switch

For your 1981-1989 Town Car, you have a choice between OEM-equivalent parts and standard aftermarket replacements. Quality is important for electrical components to ensure they work correctly and last a long time.

  • Motorcraft: As Ford's official parts brand, Motorcraft is the Original Equipment (OEM) choice. These switches are built to the original factory specifications for fit and function. For a critical safety part, choosing the OEM brand is often the most reliable option to avoid any electrical gremlins.
  • Standard Ignition (SMP): Standard Motor Products is a well-respected aftermarket manufacturer that produces reliable replacement parts. Their products are a dependable alternative to the OEM part and often meet or exceed original quality.
Pro Tip: Before ordering, check the price of the Motorcraft switch. For this specific part, the OEM option is often priced very competitively with aftermarket brands, making it an excellent value.

Brake Light Switch Replacement Cost

The cost to replace the brake light switch is very reasonable, especially if you do the work yourself. The part itself is affordable, and labor time is minimal.

Part/Service Estimated Cost
New OEM (Motorcraft) $20 - $35
New Aftermarket (Standard Ignition, etc.) $26.49 - $31.22
Shop Labor $50 - $100

Frequently Asked Questions

Where is the brake light switch located?

The brake light switch is found under the driver's side dashboard. It is attached to the brake pedal arm, usually a few inches up from the pedal itself. You will need to look up from the floor mat to see it.

Can I replace this part myself?

Yes, this is a good DIY job for a beginner. The main challenge is the uncomfortable position required to work under the dashboard. The switch is typically held in place by a small hairpin clip and has a simple electrical connector. The entire job usually takes less than 30 minutes.

Will a new switch fix my cruise control?

If your cruise control stopped working at the same time you noticed brake light issues, then replacing the switch will very likely fix the problem. The switch is a key part of the cruise control's deactivation circuit.

Are there any recalls for this part?

Searches of the NHTSA database did not show any specific recalls for the brake light switch on the 1981-1989 Lincoln Town Car. There was a prominent recall for the *ignition switch* in some model years, but that is a different part located in the steering column.

Technical Specifications

OEM Part Numbers: E0AZ-13480-A E9AZ-13480-A E9SZ-13480-A E9TZ-13480-A

Type: Mechanical Plunger Switch. Location: Brake Pedal Arm.

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 Mar 28, 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:
  • Lincoln Town Car: 198119821983198419851986198719881989
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