Mercury Mystique Brake Light Switch Replacement at your home or office.

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Brake Light Switch Replacement Estimate for Mercury Mystique

Mercury Mystique Brake Light Switch Replacement costs $125 on average.

CarServiceEstimateShop/Dealer Price
1999 Mercury MystiqueL4-2.0LService typeBrake Light Switch ReplacementEstimate$167.21Shop/Dealer Price$196.42 - $256.13
1998 Mercury MystiqueL4-2.0LService typeBrake Light Switch ReplacementEstimate$147.21Shop/Dealer Price$176.43 - $236.16
1995 Mercury MystiqueL4-2.0LService typeBrake Light Switch ReplacementEstimate$147.21Shop/Dealer Price$176.43 - $236.16
1995 Mercury MystiqueV6-2.5LService typeBrake Light Switch ReplacementEstimate$147.21Shop/Dealer Price$176.41 - $236.12
1997 Mercury MystiqueV6-2.5LService typeBrake Light Switch ReplacementEstimate$147.21Shop/Dealer Price$176.45 - $236.19
1999 Mercury MystiqueV6-2.5LService typeBrake Light Switch ReplacementEstimate$147.21Shop/Dealer Price$176.43 - $236.16
2000 Mercury MystiqueV6-2.5LService typeBrake Light Switch ReplacementEstimate$152.21Shop/Dealer Price$181.30 - $240.92
1998 Mercury MystiqueV6-2.5LService typeBrake Light Switch ReplacementEstimate$152.21Shop/Dealer Price$181.67 - $241.58
Show example Mercury Mystique Brake Light Switch Replacement prices

Brake Light Switch Replacement Service

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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Real customer reviews from Mercury owners like you.

Excellent Rating

(14)

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Richard

21 years of experience
15 reviews
Richard
21 years of experience
Mercury Mystique V6-2.5L - Car is not starting - San Jose, California
This is my first time working with richard! he did a fantastic job he was able to explaining to me in great detail what was wrong with my car. richard thank you so very much

Steven

26 years of experience
72 reviews
Steven
26 years of experience
Mercury Mystique V6-2.5L - Car is not starting - El Cajon, California

AL

12 years of experience
228 reviews
AL
12 years of experience
Mercury Mystique V6-2.5L - Alternator - Denver, Colorado
very professional and knowledgeable!!!

Patrick

33 years of experience
1378 reviews
Patrick
33 years of experience
Mercury Mystique V6-2.5L - Car is surging and dying - Buda, Texas
Patrick is the best! We are not going to use anyone else. Why would you take your car to a shop when a professional like Patrick will come to you? This has to be the future of car repair.

Excellent Rating

(14)

Rating Summary
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Number of Mercury Mystique services completed
154+
services done by our mechanics
TOTAL NUMBER OF EXPERT Mercury MECHANICS
600+
experts on our platform

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