Mercury Mystique 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 Mystique Brake Light Switch Replacement is $129 with $34 for parts and $95 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
1995 Mercury MystiqueL4-2.0LService typeBrake Light Switch ReplacementEstimate$182.21Shop/Dealer Price$209.02 - $266.93
1995 Mercury MystiqueV6-2.5LService typeBrake Light Switch ReplacementEstimate$162.21Shop/Dealer Price$189.03 - $246.96
1998 Mercury MystiqueV6-2.5LService typeBrake Light Switch ReplacementEstimate$162.21Shop/Dealer Price$189.03 - $246.96
1997 Mercury MystiqueL4-2.0LService typeBrake Light Switch ReplacementEstimate$162.21Shop/Dealer Price$189.01 - $246.92
1999 Mercury MystiqueL4-2.0LService typeBrake Light Switch ReplacementEstimate$162.21Shop/Dealer Price$189.05 - $246.99
1998 Mercury MystiqueL4-2.0LService typeBrake Light Switch ReplacementEstimate$162.21Shop/Dealer Price$189.03 - $246.96
1999 Mercury MystiqueV6-2.5LService typeBrake Light Switch ReplacementEstimate$167.21Shop/Dealer Price$193.90 - $251.72
1997 Mercury MystiqueV6-2.5LService typeBrake Light Switch ReplacementEstimate$167.21Shop/Dealer Price$194.27 - $252.38
Show example Mercury Mystique 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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Tony

14 years of experience
121 reviews
Tony
14 years of experience
Mercury Mystique L4-2.0L - Bypass hose - Oakland, California

Joshua

27 years of experience
709 reviews
Joshua
27 years of experience
Mercury Mystique V6-2.5L - Spark Plugs - American Canyon, California

Russell

24 years of experience
356 reviews
Russell
24 years of experience
Mercury Mystique L4-2.0L - Basic Inspection - Vancouver, Washington
The amount of time and effort Russell put into my car was more than I could have asked for.

Patrick

33 years of experience
1408 reviews
Patrick
33 years of experience
Mercury Mystique V6-2.5L - Fuel Pump - Austin, Texas
Patrick can fix anything.....anywhere! He is just awesome!

Excellent Rating

(14)

Rating Summary
12
2
0
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12
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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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