Chevrolet V20 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 Chevrolet V20 Brake Light Switch Replacement is $120 with $25 for parts and $95 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
1987 Chevrolet V20L6-4.8LService typeBrake Light Switch ReplacementEstimate$164.97Shop/Dealer Price$187.47 - $232.45
1987 Chevrolet V20V8-5.7LService typeBrake Light Switch ReplacementEstimate$144.97Shop/Dealer Price$167.48 - $212.48
1987 Chevrolet V20V8-6.2L DieselService typeBrake Light Switch ReplacementEstimate$144.97Shop/Dealer Price$167.48 - $212.48
Show example Chevrolet V20 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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Excellent Rating

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Rating Summary
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Shaun

10 years of experience
542 reviews
Shaun
10 years of experience
Chevrolet V20 V8-5.7L - Brake Pads Replacement (Front) - Phoenix, Arizona
He is so professional and he let me know everything I need for my car so it can get done and stay running right I love my mechanic keep up the good job

David

10 years of experience
193 reviews
David
10 years of experience
Chevrolet Tahoe V8-5.7L - Brake Light Switch - Philadelphia, Pennsylvania
Dave was courteous and knowledgeable about the problem I had. Was quick in fixing it.

Joe

43 years of experience
821 reviews
Joe
43 years of experience
Chevrolet Cruze L4-1.4L Turbo - Brake Light Switch - Saint Petersburg, Florida
Thanks, once again Joe to the rescue, very reliable and communicates well with the customer. Joe has worked on my car for a couple of months on various problems as it is a used car, he is making me feel comfortable about my car. I find him to be the best mechanic I have ever met.

Phil

30 years of experience
48 reviews
Phil
30 years of experience
Chevrolet Aveo L4-1.6L - Brake Light Switch - Catonsville, Maryland
Great service! Will definitely ask for Phil again. He was quick, but thorough, and for one of the first times ever, felt like I had an honest evaluation of what I needed.

Excellent Rating

(30)

Rating Summary
28
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28
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Number of Chevrolet Brake Light Switch Replacement services completed
330+
services done by our mechanics
TOTAL NUMBER OF EXPERT Chevrolet MECHANICS
1600+
experts on our platform

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