How to troubleshoot the brake light switch on GMC Sierra?

The brake light switch is on the side of the brake pedal and is activated when the pedal is depressed. If the brake lights are not working, check the fuse and then check for voltage to the switch on the feed wire. If voltage is present, depress the brake pedal and check for voltage at the output wire terminal. The installation is reverse the removal procedure and ensure the retaining clip is properly installed.

Genuine GMC Sierra Brake Light Switch

Brake Lamp Switch

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10 Brake Light Switches found

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GMC Sierra Brake Pedal Position Sensor Assembly
Part Number: 13597422
$39.90 MSRP: $77.78
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Product Specifications
- Other Name: SENSOR, Brake; Position Sensor, Sensor, Stoplamp Switch
- Replaced by: 13564167
- Replaces: 13583369
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2024 GMC Sierra | 1500 CREW CAB, 1500 CREW CAB STANDARD BOX, 1500 DOUBLE CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, 2500 CREW CAB STANDARD BOX, 2500 REGULAR CAB, 2500 REGULAR CAB STANDARD BOX, 3500 CREW CAB LONG BOX, 3500 CREW CAB ONLY, 3500 CREW CAB STANDARD BOX, 3500 DOUBLE CAB LONG BOX, 3500 REGULAR CAB, CREW CAB 1 TON CHASSIS 137.0, CREW CAB 1/2 TON, CREW CAB 2500 LONG BOX, CREW CAB 5'8" 1/2 TON, CREW CAB 5'8" BOX 1/2 TON, CREW CAB 6'6" BOX 1 TON, Crew Cab 6'6" Box 1/2 Ton, CREW CAB 6'6" BOX 1/2 TON, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 1 TON, CREW CAB 8' BOX 3/4 TON, DOUBLE CAB 2500 LONG BOX, DOUBLE CAB 2500 STANDARD BOX, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 1 TON, EXTENDED CAB 8' BOX 1/2 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CREW CAB 1 TON CHASSIS 161.5, REGULAR CAB 1 TON CHASSIS 137.0, REGULAR CAB 1 TON CHASSIS 161.5, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1 TON, REGULAR CAB 8' BOX 1/2 TON, REGULAR CAB 8' BOX 3/4 TON | 4 Cyl 2.7L, 6 Cyl 3.0L Diesel, 6 CYL 3.0L Diesel, 6 Cyl 4.3L, 8 Cyl 5.3L, 8 Cyl 6.0L, 8 Cyl 6.0L Flex, 8 Cyl 6.2L, 8 Cyl 6.6L, 8 Cyl 6.6L Diesel, 8 Cyl5.3L
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GMC Sierra Stop Lamp Switch Assembly
Part Number: 25981009
$65.12 MSRP: $134.40
You Save: $69.28 (52%)
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Product Specifications
- Other Name: SWITCH, Stop Lamp Switch; Stoplamp Switch
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2011 GMC Sierra | CREW CAB 1/2 TON, EXTENDED CAB 5'8" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 8' BOX 1/2 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON | 6 Cyl 4.3L, 8 Cyl 4.8L Flex, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L Flex, 8 Cyl 6.2L Flex
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GMC Sierra Stop Lamp Switch Assembly
Part Number: 15861245
$53.97 MSRP: $111.40
You Save: $57.43 (52%)
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Product Specifications
- Other Name: SWITCH, Stop Lamp Switch; Stoplamp Switch
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2011 GMC Sierra | 1 TON CREW CAB, CREW CAB 1 TON, CREW CAB 1 TON 119.0, CREW CAB 1 TON 137.0, CREW CAB 1/2 TON, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 3/4 TON, EXTENDED CAB 1 TON, EXTENDED CAB 5'8" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 1/2 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CAB CHASSIS 1 TON 161.5, EXTENDED CREW CAB 1 TON 161.5, REGULAR CAB 1 TON, REGULAR CAB 3/4 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON, REGULAR CAB CHASSIS 1 TON 137.0, REGULAR CAB CHASSIS 1 TON 161.5 | 6 Cyl 4.3L, 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 6.0L Flex, 8 Cyl 6.2L, 8 Cyl 6.2L Flex, 8 Cyl 6.6L Diesel
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GMC Sierra Brake Pedal Position Sensor Assembly
Part Number: 22791177
$17.49 MSRP: $32.98
You Save: $15.49 (47%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: SENSOR, Brake; Stoplamp Switch
- Replaced by: 85767848
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2012 GMC Sierra | 1 TON CREW CAB, CREW CAB 1 TON, CREW CAB 1 TON 119.0, CREW CAB 1 TON 137.0, CREW CAB 1/2 TON, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 3/4 TON, EXTENDED CAB 1 TON, EXTENDED CAB 5'8" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 1/2 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CAB CHASSIS 1 TON 161.5, EXTENDED CREW CAB 1 TON 161.5, REGULAR CAB 1 TON, REGULAR CAB 3/4 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON, REGULAR CAB CHASSIS 1 TON 137.0, REGULAR CAB CHASSIS 1 TON 161.5 | 6 Cyl 4.3L, 8 Cyl 4.8L Flex, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L Flex, 8 Cyl 6.2L Flex, 8 Cyl 6.6L Diesel
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GMC Sierra Sensor Kit,Brake Pedal Position
Part Number: 25799118
$60.58 MSRP: $118.13
You Save: $57.55 (49%)
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Product Specifications
- Other Name: SENSOR KIT, Brake; Stoplamp Switch
- Replaces: 88982977
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2014 GMC Sierra | 1 TON CREW CAB, CREW CAB 1 TON, CREW CAB 1 TON 119.0, CREW CAB 1 TON 137.0, CREW CAB 1/2 TON, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 3/4 TON, EXTENDED CAB 1 TON, EXTENDED CAB 5'8" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 1/2 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CAB CHASSIS 1 TON 161.5, EXTENDED CREW CAB 1 TON 161.5, REGULAR CAB 1 TON, REGULAR CAB 3/4 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON, REGULAR CAB CHASSIS 1 TON 137.0, REGULAR CAB CHASSIS 1 TON 161.5 | 6 Cyl 4.3L, 8 Cyl 4.8L, 8 Cyl 4.8L Flex, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 6.0L Flex, 8 Cyl 6.2L, 8 Cyl 6.2L Flex, 8 Cyl 6.6L Diesel
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GMC Sierra Brake Pedal Position Sensor Assembly
Part Number: 13583374
$13.73 MSRP: $25.90
You Save: $12.17 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: SENSOR, Brake; Sensor, Stoplamp Switch
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2013-2014 GMC Sierra | 1 TON CREW CAB, CREW CAB 1 TON, CREW CAB 1 TON 119.0, CREW CAB 1 TON 137.0, CREW CAB 1/2 TON, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 3/4 TON, EXTENDED CAB 1 TON, EXTENDED CAB 5'8" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 1/2 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CAB CHASSIS 1 TON 161.5, EXTENDED CREW CAB 1 TON 161.5, REGULAR CAB 1 TON, REGULAR CAB 3/4 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON, REGULAR CAB CHASSIS 1 TON 137.0, REGULAR CAB CHASSIS 1 TON 161.5 | 6 Cyl 4.3L, 8 Cyl 4.8L Flex, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 6.0L Flex, 8 Cyl 6.2L Flex, 8 Cyl 6.6L Diesel
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GMC Sierra Brake Pedal Position Sensor Assembly
Part Number: 23102531
$21.04 MSRP: $39.68
You Save: $18.64 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: SENSOR; Stoplamp Switch
- Replaces: 22850788
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2019 GMC Sierra | 1500 CREW CAB, 1500 CREW CAB STANDARD BOX, 1500 DOUBLE CAB STANDARD BOX, 2500 CREW CAB STANDARD BOX, 3500 CREW CAB LONG BOX, 3500 CREW CAB ONLY, 3500 CREW CAB STANDARD BOX, 3500 DOUBLE CAB LONG BOX, CREW CAB 1/2 TON, CREW CAB 2500 LONG BOX, DOUBLE CAB 2500 LONG BOX, DOUBLE CAB 2500 STANDARD BOX | 6 Cyl 4.3L, 8 Cyl 5.3L, 8 Cyl 6.0L, 8 Cyl 6.0L Flex, 8 Cyl 6.2L, 8 Cyl 6.6L Diesel
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GMC Sierra SWITCH ASM-PARK BRK CONT *JET BLACK
Part Number: 85569148
$41.28 MSRP: $62.56
You Save: $21.28 (35%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Parking Brake Switch, Switch
- Replaced by: 85826767
- Replaces: 84701517
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2024 GMC Sierra | CREW CAB 1 TON CHASSIS 137.0, CREW CAB 5'8" 1/2 TON, CREW CAB 5'8" BOX 1/2 TON, CREW CAB 6'6" BOX 1 TON, Crew Cab 6'6" Box 1/2 Ton, CREW CAB 6'6" BOX 1/2 TON, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 1 TON, CREW CAB 8' BOX 3/4 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 1 TON, EXTENDED CAB 8' BOX 1/2 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CREW CAB 1 TON CHASSIS 161.5, REGULAR CAB 1 TON CHASSIS 137.0, REGULAR CAB 1 TON CHASSIS 161.5, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1 TON, REGULAR CAB 8' BOX 1/2 TON, REGULAR CAB 8' BOX 3/4 TON | 4 Cyl 2.7L, 6 Cyl 3.0L Diesel, 6 CYL 3.0L Diesel, 6 Cyl 4.3L, 8 Cyl 5.3L, 8 Cyl 6.2L, 8 Cyl 6.6L, 8 Cyl 6.6L Diesel, 8 Cyl5.3L
View related parts
GMC Sierra Stop Lamp Switch
Part Number: 15128874
$35.90 MSRP: $64.40
You Save: $28.50 (45%)
Product Specifications
- Other Name: SWITCH, Stop Lamp Switch; Stoplamp Switch
- Replaces: 15163032, 15038393, 25771554, 15161650, 15158767
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1999-2007 GMC Sierra | 1500 CREW CAB LONG BOX, 1500 CREW CAB STANDARD BOX, 1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB SHORT BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS EXTENDED CAB 185.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB, CLASSIC 1500 CREW CAB LONG BOX, CLASSIC 1500 CREW CAB STANDARD BOX, CLASSIC 1500 EXTENDED CAB LONG BOX, CLASSIC 1500 EXTENDED CAB SHORT BOX, CLASSIC 1500 EXTENDED CAB STANDARD BOX, CLASSIC 1500 REGULAR CAB LONG BOX, CLASSIC 1500 REGULAR CAB STANDARD BOX, CLASSIC 2500 CREW CAB LONG BOX, CLASSIC 2500 CREW CAB STANDARD BOX, CLASSIC 2500 EXTENDED CAB LONG BOX, CLASSIC 2500 EXTENDED CAB STANDARD BOX, CLASSIC 2500 REGULAR CAB, CLASSIC 3500 CHASSIS EXTENDED CAB 161.5, CLASSIC 3500 CHASSIS REGULAR CAB 137.0, CLASSIC 3500 CHASSIS REGULAR CAB 161.5, CLASSIC 3500 CREW CAB, CLASSIC 3500 EXTENDED CAB, CLASSIC 3500 REGULAR CAB | 6 Cyl 4.3L, 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 6.2L, 8 Cyl 6.6L Diesel, 8 Cyl 8.1L
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GMC Sierra Stop Lamp Switch Assembly
Part Number: 15128592
$55.05 MSRP: $98.74
You Save: $43.69 (45%)
Product Specifications
- Other Name: SWITCH, Stop Lamp Switch; Stoplamp Switch
- Replaces: 15197022, 15064159
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2006 GMC Sierra | 1500 CREW CAB LONG BOX, 1500 CREW CAB STANDARD BOX, 1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB SHORT BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB | 6 Cyl 4.3L, 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 6.6L Diesel, 8 Cyl 8.1L

GMC Sierra Brake Light Switch

The GMC Sierra Brake Light Switch is the small piece that converts pedal pressure into a bright warning for everyone behind you. Located close to the brake pedal, this Brake Light Switch connects the circuit instantly as your foot pushes forward, which sends current to lamps at the rear, making them glow red to show following traffic you are slowing or stopping. Of the GMC models, the piece is so simply built that it has hardly changed through the model years. It works off a simple electrical contact in the switch, which closes upon being compressed. Thus, there's nothing to learn, no confusing modes, or adjustable settings. The system is entirely electrical and, as such, the Brake Light Switch reacts faster than the hydraulic or cable systems once applied elsewhere. That is to say, it lights up without delay every time you depress the pedal. While some cars have experimented with multifunction sensors that are integrated into things such as the Brake Light Switch, the Sierra range has always opted for the focused Brake Light Switch. This switch has the sole purpose of bringing reliability and clear signaling, not added complexity. The simple wiring, spring-loaded plunger, and direct link to the tail lamps allow easy troubleshooting for GMC pickup owners and give every Sierra driver peace of mind that the lamps illuminate the moment the Brake Light Switch activates.

Each OEM GMC Sierra Brake Light Switch we offer is competitively priced and comes with the assurance of the manufacturer's warranty for the part. Furthermore, we guarantee the speedy delivery of your orders right to your doorstep. Our hassle-free return policy is also in place for your peace of mind.

GMC Sierra Brake Light Switch Parts Questions & Experts Answers

Stop Lamp Switch Assembly
25981009
Q: How to troubleshoot the brake light switch on GMC Sierra?
A:
The brake light switch is on the side of the brake pedal and is activated when the pedal is depressed. If the brake lights are not working, check the fuse and then check for voltage to the switch on the feed wire. If voltage is present, depress the brake pedal and check for voltage at the output wire terminal. The installation is reverse the removal procedure and ensure the retaining clip is properly installed.