How to replace the Brake Light Switch on Buick LaCrosse?

When you replace the brake pedal position sensor start by uninstalling the instrument panel insulator. Locate but do not remove the connector position assurance as you disconnect its electrical connection. Take out the bolt then take out and throw away the brake pedal position sensor. Install GM adhesive 12345493 to the screw then position the fork of the new sensor onto the bracket pin. Rotating the sensor will align its locator to the extension bracket hole. Put the new brake pedal position sensor bolt in place and tighten it to 2.0 N.m (18 lb in). Connect and secure the electrical connector to install the pedal position sensor. Complete the process by testing the sensor and putting back the I/P insulation.

OEM Buick LaCrosse Brake Light Switch

Brake Lamp Switch

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4 Brake Light Switches found

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Buick LaCrosse Position Sensor Part Number: 20995840
$15.76 MSRP: $29.60
You Save: $13.84 (47%)
Ships in 1-3 Business Days
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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:
- 2010-2011 Buick LaCrosse | CX, CXL, CXS | 4 Cyl 2.4 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L GAS
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Buick LaCrosse Position Sensor Part Number: 13597422
$38.95 MSRP: $76.26
You Save: $37.31 (49%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor Assembly-Brake Pedal Position; Brake Light Switch; Stoplamp Switch; Sensor; Sensor, Stop Lamp Switch; Sensor, Brake
- Replaced by: 13564167
- Replaces: 13583369
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2019 Buick LaCrosse | Avenir, Base, Essence, Leather, Preferred, Premium, Sport Touring | 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV), 4 Cyl 2.5 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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Buick LaCrosse Stoplamp Switch Part Number: 13579088
$13.17 MSRP: $24.74
You Save: $11.57 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor Assembly-Brake Pedal Position; Brake Light Switch; Sensor, Stop Lamp Switch; Sensor, Brake
- Replaces: 22774281
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2012 Buick LaCrosse | Base, Convenience, Leather, Premium, Touring | 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.6 L FLEX
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Buick LaCrosse Stoplamp Switch Part Number: 89047685
$14.21 MSRP: $26.67
You Save: $12.46 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor Kit, Brake Pedal Position; Brake Light Switch; Sensor Kit, Brake
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2009 Buick LaCrosse | CX, CXL, CXS, Super | 6 Cyl 3.6 L GAS, 6 Cyl 3.8 L GAS, 8 Cyl 5.3 L GAS

Buick LaCrosse Brake Light Switch

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Buick LaCrosse Brake Light Switch Parts Questions & Experts Answers

Stoplamp Switch
89047685
Q: How to replace the Brake Light Switch on Buick LaCrosse?
A: When you replace the brake pedal position sensor start by uninstalling the instrument panel insulator. Locate but do not remove the connector position assurance as you disconnect its electrical connection. Take out the bolt then take out and throw away the brake pedal position sensor. Install GM adhesive 12345493 to the screw then position the fork of the new sensor onto the bracket pin. Rotating the sensor will align its locator to the extension bracket hole. Put the new brake pedal position sensor bolt in place and tighten it to 2.0 N.m (18 lb in). Connect and secure the electrical connector to install the pedal position sensor. Complete the process by testing the sensor and putting back the I/P insulation.