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Infiniti I35 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 Infiniti I35 Brake Light Switch Replacement is $158 with $18 for parts and $140 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
2002 Infiniti I35V6-3.5LService typeBrake Light Switch ReplacementEstimate$190.56Shop/Dealer Price$205.75 - $237.15
2004 Infiniti I35V6-3.5LService typeBrake Light Switch ReplacementEstimate$181.55Shop/Dealer Price$193.65 - $222.73
2003 Infiniti I35V6-3.5LService typeBrake Light Switch ReplacementEstimate$181.55Shop/Dealer Price$193.69 - $222.80
Show example Infiniti I35 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 Infiniti I35 services completed
1100+
services done by our mechanics
TOTAL NUMBER OF EXPERT Infiniti MECHANICS
1000+
experts on our platform
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Meet some of our expert Infiniti mechanics

Real customer reviews from Infiniti owners like you.

Excellent Rating

(100)
Rating Summary
90
5
2
1
2
90
5
2
1
2

Patrick

16 years of experience
406 reviews
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Patrick
16 years of experience
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by George
Infiniti I35 V6-3.5L - Oil Change - Midlothian, Virginia
Arrived early (called and asked first), did exactly what was requested, noticed another problem but said was probably under warranty so check with my dealer, so didn't try to up-sell me. Couldn't be happier.

Emanuel

19 years of experience
81 reviews
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Emanuel
19 years of experience
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by Pascal
Infiniti I35 V6-3.5L - Valve Cover Gasket - Katy, Texas
Emanuel was on time, did the job under the estimated time (3 hours instead of 5), a full diagnosis of the car was done as well with valuable recommendations on future maintenance. my car drives like new at half the cost quoted by a local shop.

Shay

29 years of experience
137 reviews
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Shay
29 years of experience
Request Shay
by Gamal
Infiniti I35 V6-3.5L - Car idle is rough - Houston, Texas
Very knowledgable about ars and car parts. Trustworthy with his problem inspection and solutions.

Keven

8 years of experience
187 reviews
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Keven
8 years of experience
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by Ashley
Infiniti I35 V6-3.5L - Car is not starting - Puyallup, Washington
Very thorough, honest, and won’t waste your time.

Excellent Rating

(100)
Rating Summary
90
5
2
1
2
90
5
2
1
2
Number of Infiniti I35 services completed
1100+
services done by our mechanics
TOTAL NUMBER OF EXPERT Infiniti MECHANICS
1000+
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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