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Buick Terraza 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 Buick Terraza Brake Light Switch Replacement is $186 with $46 for parts and $140 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
2006 Buick TerrazaV6-3.9LService typeBrake Light Switch ReplacementEstimate$246.64Shop/Dealer Price$273.15 - $344.58
2006 Buick TerrazaV6-3.5LService typeBrake Light Switch ReplacementEstimate$237.63Shop/Dealer Price$262.37 - $332.48
2007 Buick TerrazaV6-3.9LService typeBrake Light Switch ReplacementEstimate$237.63Shop/Dealer Price$262.40 - $332.52
2005 Buick TerrazaV6-3.5LService typeBrake Light Switch ReplacementEstimate$237.63Shop/Dealer Price$262.40 - $332.52
Show example Buick Terraza 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 Buick Terraza services completed
99+
services done by our mechanics
TOTAL NUMBER OF EXPERT Buick MECHANICS
800+
experts on our platform
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Meet some of our expert Buick mechanics

Real customer reviews from Buick owners like you.

Excellent Rating

(9)
Rating Summary
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Art

26 years of experience
88 reviews
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Art
26 years of experience
Request Art
by Keith
Buick Terraza V6-3.5L - 75,000 Miles Maintenance Service - Orlando, Florida
I scheduled to have a simple tune-up done to our family van before traveling before the holidays and Your Mechanic sent us Art. Art was simply fantastic! He called me twice and let me know that he was on his way and then he showed up 5 minutes before he was scheduled to be at my house. Not only did he complete the inspection an maintenance quickly, but he was very informative, straight forward and answered all of my questions. Art then went above and beyond by fixing the broken arm on our driver's seat, the trunk door handle, and found the mystery leak in our car. My family and I truly appreciate this mechanic and I thoroughly enjoyed his services.

Eduardo

20 years of experience
570 reviews
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Eduardo
20 years of experience
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by Diane
Buick Terraza V6-3.9L - Radiator - Houston, Texas
Eduardo was prompt and got the job done quickly.

Mathew

25 years of experience
93 reviews
Request Mathew
Mathew
25 years of experience
Request Mathew
by Patricia
Buick Terraza V6-3.9L - Shift Selector Cable - Jacksonville, Florida
Mathew was prompt, nice, and walked me through how to get the shift cable through the firewall as that was my main issue. He quickly replaced the cord and identified areas of opportunities with the overall check point review.

Raymond

37 years of experience
63 reviews
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Raymond
37 years of experience
Request Raymond
by robin
Buick Terraza V6-3.5L - Door will not open - Kent, Washington
Nice and experieced

Excellent Rating

(9)
Rating Summary
9
0
0
0
0
9
0
0
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0
Number of Buick Terraza services completed
99+
services done by our mechanics
TOTAL NUMBER OF EXPERT Buick MECHANICS
800+
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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