Chevrolet G20 Brake Light Switch Replacement Costs

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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 G20 Brake Light Switch Replacement is $150 with $10 for parts and $140 for labor. Prices may vary depending on your location.

Car	Service	Estimate	Shop/Dealer Price
1993 Chevrolet G20V8-6.2L Diesel	Service typeBrake Light Switch Replacement	Estimate$184.08	Shop/Dealer Price$194.95 - $219.46
1990 Chevrolet G20V6-4.3L	Service typeBrake Light Switch Replacement	Estimate$175.07	Shop/Dealer Price$184.17 - $207.36
1994 Chevrolet G20V8-5.7L	Service typeBrake Light Switch Replacement	Estimate$190.51	Shop/Dealer Price$203.50 - $238.28
1994 Chevrolet G20V6-4.3L	Service typeBrake Light Switch Replacement	Estimate$190.51	Shop/Dealer Price$203.50 - $238.28
1993 Chevrolet G20V8-5.0L	Service typeBrake Light Switch Replacement	Estimate$175.07	Shop/Dealer Price$185.67 - $209.98
1991 Chevrolet G20V8-5.7L	Service typeBrake Light Switch Replacement	Estimate$175.07	Shop/Dealer Price$184.34 - $207.65
1992 Chevrolet G20V6-4.3L	Service typeBrake Light Switch Replacement	Estimate$175.07	Shop/Dealer Price$184.21 - $207.43
1992 Chevrolet G20V8-5.7L	Service typeBrake Light Switch Replacement	Estimate$175.07	Shop/Dealer Price$184.20 - $207.40

Show example Chevrolet G20 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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Joseph

28 years of experience

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Joseph

28 years of experience

by Leonard

Chevrolet G20 V8-5.7L - Car is not starting - Spring, Texas

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Alfred

32 years of experience

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32 years of experience

by Judy

Chevrolet G20 V8-5.7L - Brake Wheel Cylinder Replacement (Driver Side, Passenger Side) - San Diego, California

Alfred was extremely friendly and very competent in dealing with the van. He was able to re-diagnose the van once he drove the van and pulled the wheels off. He realize that the work schedule was not necessary, but that it was something else causing the problem on the van. We appreciate his honesty and want the work necessary to be completed so that the van doesn't have any issues.

Jeff

34 years of experience

441 reviews

Jeff

34 years of experience

by Steve

Chevrolet G20 V8-5.7L - Check Cooling System - Sacramento, California

Jeff came to fix three items for me and pointed out two of the repairs were not necessary and saved me lots of money and fixed a item he found on the inspection and saved me more money. I look high and low for a honest repair mechanic and stick with them. If you want a honest, fast and complete job done on your vehicle then request Jeff

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18 years of experience

138 reviews

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Jonathan

18 years of experience

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Chevrolet G20 V6-4.3L - Car is not starting - Phoenix, Arizona

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