2002 GMC Sierra 2500 Trailer Brake Control Parts

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Keep Your 2002 GMC Sierra 2500 in Top Shape with Quality Trailer Brake Control Parts

Whether you’re repairing or upgrading your Trailer Brake Control Part, using high-quality parts is key to keeping your 2002 GMC Sierra 2500 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Electronic Brake Control Relays, Trailer Brake Harness, and Electronic Brake Module Connectors. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Competitive Prices and Extensive Inventory

The average price for a 2002 GMC Sierra 2500 Trailer Brake Control Part at Advance Auto Parts is around $31.12, with a range that starts at $22.49 and goes up to $43.99. With 4 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like Carquest Multi-Purpose Relay, RAA1243, GM Genuine Parts Multi-Purpose Pigtail Kit, PT3829, and CURT Trailer Brake Controller Harness (Packaged), 51343 start at just $24.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Trailer Brake Control Part, don’t forget to check out other key components like Gooseneck Hitches and Trailer Hitches. At Advance Auto Parts, we’re here to help you keep your 2002 GMC Sierra 2500 in peak condition, inside and out.

Essential 2002 GMC Sierra 2500 Trailer Brake Control Parts

GM Genuine Parts – GM Genuine Parts Multi-Purpose Pigtail Kit, PT3829 (Part No.PT3829)

GM Genuine Parts Multi-Purpose Pigtail Kit, PT3829

from

$43.99
GM Genuine Parts Multi-Purpose Pigtail Kit, PT3829.
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CURT – CURT Trailer Brake Controller Harness (Packaged), 51343 (Part No.51343)

CURT Trailer Brake Controller Harness (Packaged), 51343

from

$32.99
A CURT Quick Plug brake controller wiring adapter is one of the fastest and easiest ways to plug your brake controller into your vehicle. It requires no cutting or splicing! Just insert the vehicle-specific plug end into the OEM vehicle’s factory brake controller socket. The other end plugs into your CURT trailer brake controller. Quick Plug harnesses are available for a variety of vehicles and are unique for each vehicle application to provide the easiest possible installation. This particular brake controller harness fits certain years of the Cadillac Escalade, Escalade EXT, Chevy Silverado or GMC Sierra 1500, 1500HD, 2500, 2500HD, 3500, Suburban 1500, 2500, Avalanche 1500, 2500, Tahoe, GMC Yukon, Yukon XL 1500 and 2500 (see application info to verify fitment). CURT Quick Plug harnesses are compatible with most CURT brake controls and can be used as a replacement or for a new control unit installation. They’re also great for towing all types of trailers with electric brakes. For versatile mounting of your trailer brake controller this Quick Plug wire harness measures two feet long. It also features a slit loom sleeve to keep the wires protected against crushing and abrasions. CURT Quick Plug wire plug-in adapters are made with 12-gauge wires for a reliable connection and braking, and come with zip ties to keep the harness contained and out of sight.
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CURT – CURT Trailer Brake Controller Harness (Packaged), 51353 (Part No.51353)

CURT Trailer Brake Controller Harness (Packaged), 51353

from

$32.99
A CURT Quick Plug brake controller wiring adapter is one of the fastest and easiest ways to plug your brake controller into your vehicle. It requires no cutting or splicing! Just insert the vehicle-specific plug end into the OEM vehicle’s factory brake controller socket. The other end plugs into your CURT trailer brake controller. Quick Plug harnesses are available for a variety of vehicles and are unique for each vehicle application to provide the easiest possible installation. This particular brake controller harness fits certain years of the Cadillac Escalade, Escalade ESV, Escalade EXT, Hummer H2, Chevrolet Silverado and GMC Sierra 1500, 1500HD, 1500 Classic, 1500HD Classic, 2500, 2500HD, 3500, 3500 Classic, Avalanche 1500, 2500, Suburban 1500, 2500, Tahoe, Yukon, Yukon XL 1500 and 2500 (see application info to verify fitment). CURT Quick Plug harnesses are compatible with most CURT brake controls and can be used as a replacement or for a new control unit installation. They’re also great for towing all types of trailers with electric brakes. For versatile mounting of your trailer brake controller this Quick Plug wire harness measures two feet long. It also features a slit loom sleeve to keep the wires protected against crushing and abrasions. CURT Quick Plug wire plug-in adapters are made with 12-gauge wires for a reliable connection and braking, and come with zip ties to keep the harness contained and out of sight.
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CURT – CURT Trailer Brake Controller Harness, 51342 (Part No.51342)

CURT Trailer Brake Controller Harness, 51342

from

$22.49
A CURT Quick Plug brake controller wiring adapter is one of the fastest and easiest ways to plug your brake controller into your vehicle. It requires no cutting or splicing! Just insert the vehicle-specific plug end into the OEM vehicle’s factory brake controller socket. The other end plugs into your CURT trailer brake controller. Quick Plug harnesses are available for a variety of vehicles and are unique for each vehicle application to provide the easiest possible installation. This particular brake controller harness fits certain years of the Cadillac Escalade, Escalade EXT, Chevy Silverado or GMC Sierra 1500, 1500HD, 2500, 2500HD, 3500, Suburban 1500, 2500, Avalanche 1500, 2500, Tahoe, GMC Yukon, Yukon XL 1500 and 2500 (see application info to verify fitment). CURT Quick Plug harnesses are compatible with most CURT brake controls and can be used as a replacement or for a new control unit installation. They’re also great for towing all types of trailers with electric brakes. For versatile mounting of your trailer brake controller this Quick Plug wire harness measures two feet long. It also features a slit loom sleeve to keep the wires protected against crushing and abrasions. CURT Quick Plug wire plug-in adapters are made with 12-gauge wires for a reliable connection and braking, and come with zip ties to keep the harness contained and out of sight.
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CURT – CURT Trailer Brake Controller Harness, 51352 (Part No.51352)

CURT Trailer Brake Controller Harness, 51352

from

$14.99
A CURT Quick Plug brake controller wiring adapter is one of the fastest and easiest ways to plug your brake controller into your vehicle. It requires no cutting or splicing! Just insert the vehicle-specific plug end into the OEM vehicle’s factory brake controller socket. The other end plugs into your CURT trailer brake controller. Quick Plug harnesses are available for a variety of vehicles and are unique for each vehicle application to provide the easiest possible installation. This particular brake controller harness fits certain years of the Cadillac Escalade, Escalade ESV, Escalade EXT, Hummer H2, Chevrolet Silverado and GMC Sierra 1500, 1500HD, 1500 Classic, 1500HD Classic, 2500, 2500HD, 3500, 3500 Classic, Avalanche 1500, 2500, Suburban 1500, 2500, Tahoe, Yukon, Yukon XL 1500 and 2500 (see application info to verify fitment). CURT Quick Plug harnesses are compatible with most CURT brake controls and can be used as a replacement or for a new control unit installation. They’re also great for towing all types of trailers with electric brakes. For versatile mounting of your trailer brake controller this Quick Plug wire harness measures two feet long. It also features a slit loom sleeve to keep the wires protected against crushing and abrasions. CURT Quick Plug wire plug-in adapters are made with 12-gauge wires for a reliable connection and braking, and come with zip ties to keep the harness contained and out of sight.
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Carquest Premium – Carquest Multi-Purpose Relay, RAA1243 (Part No.RAA1243)

Carquest Multi-Purpose Relay, RAA1243

from

$24.99
Relays are electrical switches used to convert a small electrical load into a circuit capable of handling a high amperage load. Computers and small switches are not designed to carry the higher amperage requirement of a circuit that may have an electric motor, solenoid, or high amperage lighting fixture. Within a relay are contacts that are controlled with electromagnetism, when the circuit switch commands the device on or off, magnetism will pull or release the contact arm closing or opening the contacts within the relay that carry the voltage.
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Most Popular Electronic Brake Control Relay for 2002 GMC Sierra 2500s

Enhance your 2002 GMC Sierra 2500 with this popular Electronic Brake Control Relay we have in stock, for $24.99.

Carquest Premium – Carquest Multi-Purpose Relay, RAA1243 (Part No.RAA1243)

Carquest Multi-Purpose Relay, RAA1243

from

$24.99
Relays are electrical switches used to convert a small electrical load into a circuit capable of handling a high amperage load. Computers and small switches are not designed to carry the higher amperage requirement of a circuit that may have an electric motor, solenoid, or high amperage lighting fixture. Within a relay are contacts that are controlled with electromagnetism, when the circuit switch commands the device on or off, magnetism will pull or release the contact arm closing or opening the contacts within the relay that carry the voltage.
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Best-Selling 2002 GMC Sierra 2500 Trailer Brake Harness

Upgrade your Sierra 2500 with one of our 2 best-selling Trailer Brake Harness.

CURT – CURT Trailer Brake Controller Harness (Packaged), 51343 (Part No.51343)

CURT Trailer Brake Controller Harness (Packaged), 51343

from

$32.99
A CURT Quick Plug brake controller wiring adapter is one of the fastest and easiest ways to plug your brake controller into your vehicle. It requires no cutting or splicing! Just insert the vehicle-specific plug end into the OEM vehicle’s factory brake controller socket. The other end plugs into your CURT trailer brake controller. Quick Plug harnesses are available for a variety of vehicles and are unique for each vehicle application to provide the easiest possible installation. This particular brake controller harness fits certain years of the Cadillac Escalade, Escalade EXT, Chevy Silverado or GMC Sierra 1500, 1500HD, 2500, 2500HD, 3500, Suburban 1500, 2500, Avalanche 1500, 2500, Tahoe, GMC Yukon, Yukon XL 1500 and 2500 (see application info to verify fitment). CURT Quick Plug harnesses are compatible with most CURT brake controls and can be used as a replacement or for a new control unit installation. They’re also great for towing all types of trailers with electric brakes. For versatile mounting of your trailer brake controller this Quick Plug wire harness measures two feet long. It also features a slit loom sleeve to keep the wires protected against crushing and abrasions. CURT Quick Plug wire plug-in adapters are made with 12-gauge wires for a reliable connection and braking, and come with zip ties to keep the harness contained and out of sight.
See More

CURT – CURT Trailer Brake Controller Harness, 51342 (Part No.51342)

CURT Trailer Brake Controller Harness, 51342

from

$22.49
A CURT Quick Plug brake controller wiring adapter is one of the fastest and easiest ways to plug your brake controller into your vehicle. It requires no cutting or splicing! Just insert the vehicle-specific plug end into the OEM vehicle’s factory brake controller socket. The other end plugs into your CURT trailer brake controller. Quick Plug harnesses are available for a variety of vehicles and are unique for each vehicle application to provide the easiest possible installation. This particular brake controller harness fits certain years of the Cadillac Escalade, Escalade EXT, Chevy Silverado or GMC Sierra 1500, 1500HD, 2500, 2500HD, 3500, Suburban 1500, 2500, Avalanche 1500, 2500, Tahoe, GMC Yukon, Yukon XL 1500 and 2500 (see application info to verify fitment). CURT Quick Plug harnesses are compatible with most CURT brake controls and can be used as a replacement or for a new control unit installation. They’re also great for towing all types of trailers with electric brakes. For versatile mounting of your trailer brake controller this Quick Plug wire harness measures two feet long. It also features a slit loom sleeve to keep the wires protected against crushing and abrasions. CURT Quick Plug wire plug-in adapters are made with 12-gauge wires for a reliable connection and braking, and come with zip ties to keep the harness contained and out of sight.
See More

Top-Quality Electronic Brake Module Connectors for 2002 GMC Sierra 2500s

Choose a high-quality OEM or aftermarket Electronic Brake Module Connector for GMC Sierra 2500s and enjoy top-notch performance from $43.99.

GM Genuine Parts – GM Genuine Parts Multi-Purpose Pigtail Kit, PT3829 (Part No.PT3829)

GM Genuine Parts Multi-Purpose Pigtail Kit, PT3829

from

$43.99
GM Genuine Parts Multi-Purpose Pigtail Kit, PT3829.
See More

FAQs for 2002 GMC Sierra 2500 Trailer Brake Control Parts

What are the best-selling Trailer Brake Control Parts for 2002 GMC Sierra 2500s?

Out of 4 Trailer Brake Control Parts that fit 2002 GMC Sierra 2500s, the following parts are the top sellers:

What’s the price range for 2002 GMC Sierra 2500 Trailer Brake Control Parts?

The prices of Trailer Brake Control Parts for the 2002 GMC Sierra 2500 range from $22.49 up to $43.99 for the most premium parts.

What is the average price of a Trailer Brake Control Part for a 2002 GMC Sierra 2500?

The average price for Trailer Brake Control Parts for the 2002 GMC Sierra 2500 is $31.12. Keep in mind the variety of part types within our Trailer Brake Control Part category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Trailer Brake Control Parts for other GMC Sierra 2500 model years?

Yes, we carry Trailer Brake Control Parts for 2 model years of GMC Sierra 2500s between 1999 and 2004. The following model years are the most popular for Trailer Brake Control Part purchases: 2004, 2003, and 1999.

What are the cheapest Trailer Brake Control Parts for my 2002 GMC Sierra 2500?

The cheapest 2002 GMC Sierra 2500 Trailer Brake Control Parts we carry are:

Does Advance Auto Parts sell Trailer Brake Control Parts for any other 2002 GMC models?

What types of Trailer Brake Control Parts do you sell for my 2002 GMC Sierra 2500?

As of 8/2/26, these are some of the most in-demand types of Trailer Brake Control Parts for a 2002 GMC Sierra 2500:

Can I get help with 2002 GMC Sierra 2500 Trailer Brake Control Part orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about GMC Trailer Brake Control Parts and more.

What is your return policy for GMC Sierra 2500 Trailer Brake Control Parts?

Advance Auto Parts keeps returns simple. For new GMC Sierra 2500 Trailer Brake Control Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.