How to replace the Brake Light Switch on the 4T80-E Automatic Transaxle on Buick Lucerne?

It is necessary to start the 4t80-e automatic transaxle torque converter clutch/cruise control release switch replacement by first removing the left side closeout/insulator panel. A counter-clockwise rotation of the upper switch enables separation and disconnect of its electrical connector. Installation of the new switch requires the Brake Pedal to be in either full up position or rest position. The installation of upper switch begins with electrical connector attachment before placing the upper switch inside the upper retainer for clockwise rotation until complete insertion. After adjustment complete the left closeout/insulator panel installation steps.

OEM Buick Lucerne Brake Light Switch

Brake Lamp Switch

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Buick Lucerne Position Sensor Part Number: 20995840
$15.76 MSRP: $29.60
You Save: $13.84 (47%)
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Product Specifications
- Other Name: Sensor Assembly-Brake Pedal Position; Brake Light Switch; Clutch Switch; Stoplamp Switch; Safety Starting Switch; Hydraulic Clutch Switch; Engine Clutch Sensor; Brake Sensor.
- Replaces: 13348501, 92190131, 15223506, 25889337, 92220355
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2011 Buick Lucerne | CX, CXL, CXL Special Edition, CXS, Super | 6 Cyl 3.8 L GAS, 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS, 8 Cyl 4.6 L GAS

Buick Lucerne Brake Light Switch

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The Brake Light Switch is an important vehicle part, which optimises basic functions of the Buick Lucerne, a full-size, premium luxury sedan manufactured by Buick, a General Motors division, between 2005 and 2011. This dependable Brake Light Switch turns on the brake light on the rear part of the vehicle every time the brake pedal is depressed in order to alert other motorists of the Buick Lucerne is slowing down or coming to a stop. This critical function does not only enlighten the people on road safety but also provides assurance that Buick is all about performance and quality. It is a part of the automobile electrical system and also works well with different models such as Lucerne 2009, 2010, 2011, 2012. Buick Lucerne is famous for the beautiful exterior, strong motors, and available options such as Magnetic Ride Control that boosts the car performance. Another icon is the Brake Light Switch known in the automobile market for its sturdiness and fine mechanisms, which signifies Buick's workmanship. Due to the multiple airbag and stability systems among the safety features of the Buick Lucerne, the Brake Light Switch is a crucial part as well. In general, the Brake Light Switch is viewed as one of the milestones of the Buick Lucerne construction and reflects the company's policy of creating cars with the prime quality, reliable characteristics, and effective performance in traffic flows, which makes the part a vital addition to the car for its owner and seeks to ensure safety and control on the road.

Buick Lucerne Brake Light Switch Parts and Q&A

Position Sensor
20995840
Q: How to replace the Brake Light Switch on the 4T80-E Automatic Transaxle on Buick Lucerne?
A:
It is necessary to start the 4t80-e automatic transaxle torque converter clutch/cruise control release switch replacement by first removing the left side closeout/insulator panel. A counter-clockwise rotation of the upper switch enables separation and disconnect of its electrical connector. Installation of the new switch requires the Brake Pedal to be in either full up position or rest position. The installation of upper switch begins with electrical connector attachment before placing the upper switch inside the upper retainer for clockwise rotation until complete insertion. After adjustment complete the left closeout/insulator panel installation steps.