GM 20971638 Trailer Brake Switch 15926102

( Brand: Gm ), ( Manufacturer Part Number: 20971638 ), ( Part Type: Switch Trailer Brake ), ( Oe/oem Part Number: 2007, 2008, 2010, 2011, 2012, 2013, 2014, 07, 08, 2009, 09, 10, 11, 12, 13, Gmc, Gm ), ( Color: Black ), ( Placement On Vehicle: Left )

Review GM Chevrolet Gmc Trailer Brake Switch Oem fits SILVERADO SIERRA 1500 2007–2014

Introducing the GM 20971638 Trailer Brake Switch, a crucial component for ensuring safe towing experiences with select 2007-2014 Chevrolet Silverado and GMC Sierra pickup trucks. This switch is an essential part of the vehicle's electrical system that controls the trailer brakes, allowing the driver to apply or release the trailer brakes in sync with the tow vehicle.

The GM 20971638 Trailer Brake Switch is designed to meet original equipment specifications, ensuring seamless integration with your Chevrolet Silverado or GMC Sierra. The switch features a robust and durable construction with a high-quality, weather-resistant housing. Its compact design allows for easy installation in various locations within the vehicle's cab, typically near the dashboard or steering column.

The switch includes a built-in LED indicator light to alert the driver when the trailer brakes are applied. This visual cue ensures that the driver is aware of the trailer's braking status at all times, promoting safety during towing.

The GM 20971638 Trailer Brake Switch is designed to work with most standard 7-pin trailer wiring harnesses. It is electrically compatible with the factory-installed trailer brake controller, ensuring a reliable and efficient braking system for your tow vehicle and trailer combination.

Installation of the GM 20971638 Trailer Brake Switch is a straightforward process, typically completed in less than an hour. Simply connect the switch to the vehicle's wiring harness and the 7-pin trailer wiring harness, following the provided instructions in the user manual.

When it comes to towing safety and reliability, the GM 20971638 Trailer Brake Switch is an indispensable component for any 2007-2014 Chevrolet Silverado or GMC Sierra owner. Its high-quality construction, ease of installation, and essential functionality make it a must-have accessory for those who regularly tow trailers with their pickup trucks.

Pros and Cons of Buying a GM 20971638 Trailer Brake Switch for 2007-2014 Chevrolet Silverado & GMC Sierra

The GM 20971638 Trailer Brake Switch is a critical component for ensuring safe towing, especially for 2007-2014 Chevrolet Silverado and GMC Sierra vehicles. This article discusses the pros and cons of buying this part to help you make an informed decision.

1. Safety: The primary advantage of a trailer brake switch is safety. It ensures that the trailer brakes engage when the tow vehicle's brakes are applied.

2. Compatibility: This GM part is a direct fit for 2007-2014 Chevrolet Silverado and GMC Sierra models, making it a convenient and reliable choice.

3. Improved Towing Capability: With the trailer brake switch in place, you can tow heavier loads more confidently, knowing that the trailer brakes will work in tandem with the tow vehicle's brakes.

4. OEM Quality: Purchasing the original GM part ensures that you are getting the highest quality product for your vehicle.

1. Cost: Original equipment manufacturer (OEM) parts can be more expensive compared to aftermarket alternatives.

2. Installation Complexity: Installing a trailer brake switch may require some mechanical knowledge and skills. If you're not comfortable with the installation process, it might be worth considering having it installed by a professional.

The GM 20971638 Trailer Brake Switch offers significant safety benefits for towing with a 2007-2014 Chevrolet Silverado or GMC Sierra. Its compatibility, improved towing capability, and OEM quality make it a worthwhile investment, despite the higher cost and potential installation complexity.

If you frequently tow heavy loads with your Chevrolet Silverado or GMC Sierra, investing in a genuine GM 20971638 Trailer Brake Switch is a wise decision. It provides peace of mind, knowing that both your tow vehicle and trailer are working together safely during towing. However, if you're on a tight budget or prefer to install the part yourself, an aftermarket alternative may be a more cost-effective option. Regardless of your choice, ensure that the part is compatible with your vehicle and meets your safety requirements.

Details:

Trailer brake switch presumed working prior to removal. 2009 Chevrolet Silverado 1500 / 09. Item Details. All mounting tabs appear intact.

OEM GM knee bolster panel with integrated trailer brake control switch. 2010 Chevrolet Silverado 1500 / 10. Made in China OEM supplier. Includes: Switch, Knee Bolster Panel, Wiring Pigtail.

Factory original part removed from a GM truck not aftermarket. Color: Black. Item has hidden security markings.

2007 Chevrolet Silverado 1500 / 07. Good used condition. Also fits Tahoe Yukon Escalade Avalanche with factory trailer brake option. Buyer pays return shipping.

Please review photos for exact condition. OEM GM Trailer Brake Control Switch. Includes wiring pigtail connector as shown. 2008 Chevrolet Silverado 1500 / 08.

part #: 20971638 prices

• $28.44-$62.99

specifications consolegone:

• for models: 1500, Silverado, Sierra
• for makes: Chevrolet, Gmc
• for years: 2007-2014
• brand: Gm
• mpn: 20971638
• part type: Switch Trailer Brake
• oe/oem part number: 2007, 2008, 2010, 2011, 2012, 2013, 2014, 07, 08, 2009, 09, 10, 11, 12, 13, Gmc, Gm
• color: Black
• placement on vehicle: Left

seller consolegone:

• # reviews: 915
• rating: 99.7%
• city: West Haven, Connecticut

returns consolegone:

• time: 30 Days
• policy: Returns Accepted
• paid by: Buyer

general consolegone:

• condition: Used
• Interior Parts Accessories > Center, Overhead Consoles Parts > Overhead Console Parts

payments consolegone:

• other
• wallet: Paypal
• credit card: Visa

shipping consolegone:

• cost: $49.20
• type: Calculated
• class: Standard, Expedited
• transit: 4-10 Days
• service: USPS Ground Advantage, USPS Priority Mail
• carrier: USPS

offer consolegone:

• options: Ship-to-home
• quantity: 1
• started: March 24, 2026
• sold: 0
• best offers: True
• availability: In Stock

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