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Mercury Colony Park Brake Light Switch Replacement at your home or office.

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Brake Light Switch Replacement Service

How much does a Brake Light Switch Replacement cost?

On average, the cost for a Mercury Colony Park Brake Light Switch Replacement is $151 with $11 for parts and $140 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
1991 Mercury Colony ParkV8-5.0LService typeBrake Light Switch ReplacementEstimate$185.72Shop/Dealer Price$197.00 - $222.74
1990 Mercury Colony ParkV8-5.0LService typeBrake Light Switch ReplacementEstimate$176.71Shop/Dealer Price$186.22 - $210.64
Show example Mercury Colony Park Brake Light Switch Replacement prices

What is the brake light switch and how does it work?

The brake light switch is a mechanical switch activated when you press the brake pedal. The switch has a plunger in it that contacts a lever in the brake pedal assembly. As that plunger is depressed when you push on the brake pedal, the contacts in the brake light switch closed and voltage flows to the brake lights — turning them on. The brake light switch is also in the circuit that controls the cruise control disengagement and the shift interlock safety feature installed on all newer cars. Failure of the brake light switch occurs due to wear on the internal electrical contacts in the switch, poor switch terminal connections, maladjustment of the switch, or damage to the brake pedal assembly.

When to consider replacing the brake light switch?

  • No brake lights. If depressing the brake pedal does not cause any of the brake lights to illuminate, the continuity of the switch will be tested. If only one brake light is out, then the issue is not the switch but rather the bulb, bulb socket or brake light circuit integrity.
  • Unable to shift out of park. The brake light switch is also wired into the shift interlock mechanism. If you are unable to shift out of park, with your foot on the brake, check to see if the brake lights will illuminate as you push the pedal. If they do not illuminate, failure of the brake light switch may be the cause of the no shift.
  • Intermittent operation of the brake lights or late operation. The brake light switch has to be in the proper position, and work consistently if the brake lights are to come on the instant you press the brake pedal. The switch can sometimes require adjustment, or the contacts may degrade, causing inconsistent operation of the switch.

How do mechanics replace the brake light switch?

  • The switch is first tested using a multimeter, including the terminal contacts to the switch, to determine if it is faulty. If the switch is functioning, the entire circuit must be tested to determine the cause of no brake lights.
  • Should the switch be judged defective, the switch is unthreaded from the mounting boss near the brake pedal assembly.
  • The new switch is threaded in and locked with an appropriate locknut once the new switch is properly adjusted.
  • The operation of the switch is tested to ensure instant illumination of the brake lights upon pressing the brake pedal.

Is it safe to drive with a brake light switch problem?

No. Should the brake light switch have failed, it is unsafe to drive the vehicle because drivers behind you will have no indication that you are slowing, intend to slow, or are stopped. Always address a failure of this type promptly to ensure your safety while driving.

When replacing the brake light switch keep in mind:

  • The mechanic will test the brake light switch directly to ensure that the issue is not elsewhere in the brake light circuit.
  • Occasionally, the issue is a maladjusted switch or a loose contact, and the mechanic can resolve the problem without switch replacement.

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Number of Mercury Brake Light Switch Replacement services completed
99+
services done by our mechanics
TOTAL NUMBER OF EXPERT Mercury MECHANICS
600+
experts on our platform
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Meet some of our expert Mercury mechanics

Real customer reviews from Mercury owners like you.

Excellent Rating

(9)
Rating Summary
9
0
0
0
0
9
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William

19 years of experience
90 reviews
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William
19 years of experience
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by Ronald
Mercury Grand Marquis V8-4.6L - Brake Light Switch - Chicago, Illinois
Great job!

Nathan

30 years of experience
260 reviews
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Nathan
30 years of experience
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by Eli
Mercury Sable V6-3.0L - Brake Light Switch - Tulsa, Oklahoma
Amazing!

Jordan

9 years of experience
144 reviews
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Jordan
9 years of experience
Request Jordan
by Gary
Mercury Grand Marquis V8-4.6L - Brake Light Switch - Kissimmee, Florida
Jordan was awesome. He came prepared, knew exactly what was needed and corrected the situation very expeditiously and effectively. He also checked the vital health signs of the vehicle. That was also appreciated since FL does not have a routine inspection like some other states. He is an outstanding individual, honest, personable and very professional. I highly recommend him for whatever your needs and am totally confident you will find your experience as outstanding as we did. We will definitely try to request him whenever we may have any future need. Thank you Jordan.

Philip

15 years of experience
17 reviews
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Philip
15 years of experience
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by James
Mercury Grand Marquis V8-4.6L - Brake Light Switch - San Antonio, Texas
Phillip was excellent, fast and courteous, We booked another appt for him to work on my wife's car. Very Knowledgeable.

Excellent Rating

(9)
Rating Summary
9
0
0
0
0
9
0
0
0
0
Number of Mercury Brake Light Switch Replacement services completed
99+
services done by our mechanics
TOTAL NUMBER OF EXPERT Mercury MECHANICS
600+
experts on our platform
Yourmechanic was featured in

New York Times NBC CBS Forbes INC Tech Crunch

Learn more about us

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