2003 Cadillac Escalade ESV Trailer Brake Control Parts

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Keep Your 2003 Cadillac Escalade ESV 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 2003 Cadillac Escalade ESV looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Trailer Brake System Connectors, Electronic Brake Control Relays, 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 2003 Cadillac Escalade ESV Trailer Brake Control Part at Advance Auto Parts is around $28.19, with a range that starts at $14.99 and goes up to $43.99. With 5 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like Carquest Multi-Purpose Relay, RAA1243, Husky Towing Wire Connector Univ, 31866, and CURT Trailer Brake Controller Harness, 51352 start at just $14.99 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 Towing Mirrors and Trailer Hitches. At Advance Auto Parts, we’re here to help you keep your 2003 Cadillac Escalade ESV in peak condition, inside and out.

Essential 2003 Cadillac Escalade ESV Trailer Brake Control Parts

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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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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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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Husky Towing – Husky Towing Compatible With Husky Quest/ Escort/ Digital/ Ascend Controller, 2 Plug, 32253 (Part No.32253)

Husky Towing Compatible With Husky Quest/ Escort/ Digital/ Ascend Controller, 2 Plug, 32253

from

$23.99
Husky Towing Products offers plug-and-play brake control harnesses that make the installation of your Husky Towing brake controller a snap. They are designed to allow the brake control to plug directly into your vehicle power system using an OEM connector. Husky Towing Products offers a complete line of hitches, brake assemblies, jacks, sway control solutions, and essential towing accessories. Each Husky product is precision engineered, constructed with durable, quality materials, and is rigorously tested to industry safety standards.
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Husky Towing – Husky Towing Wire Connector Univ, 31866 (Part No.31866)

Husky Towing Wire Connector Univ, 31866

from

$23.99
Husky custom wiring harnesses fits all Husky brake controls that have a similar shaped plug. Simply attach the adapter to the Husky brake control. The safest or easiest way to wire a brake control to your tow prepped vehicle.
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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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Most Popular Trailer Brake System Connector for 2003 Cadillac Escalade ESVs

Enhance your 2003 Cadillac Escalade ESV with this popular Trailer Brake System Connector we have in stock, for $23.99.

Husky Towing – Husky Towing Wire Connector Univ, 31866 (Part No.31866)

Husky Towing Wire Connector Univ, 31866

from

$23.99
Husky custom wiring harnesses fits all Husky brake controls that have a similar shaped plug. Simply attach the adapter to the Husky brake control. The safest or easiest way to wire a brake control to your tow prepped vehicle.
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Best-Selling 2003 Cadillac Escalade ESV Electronic Brake Control Relay

Upgrade your Escalade ESV with our best-selling Electronic Brake Control Relay.

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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Top-Quality Electronic Brake Module Connectors for 2003 Cadillac Escalade ESVs

Choose a high-quality OEM or aftermarket Electronic Brake Module Connector for Cadillac Escalade ESVs 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.
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Top Picks for 2003 Cadillac Escalade ESV Trailer Brake Harness

Invest in one of our 2 durable Trailer Brake Harness for your 2003 Cadillac, knowing you’re getting trusted brands and expert craftsmanship.

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.
See More

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.
See More

FAQs for 2003 Cadillac Escalade ESV Trailer Brake Control Parts

What are the best-selling Trailer Brake Control Parts for 2003 Cadillac Escalade ESVs?

Out of 5 Trailer Brake Control Parts that fit 2003 Cadillac Escalade ESVs, the following parts are the top sellers:

What’s the price range for 2003 Cadillac Escalade ESV Trailer Brake Control Parts?

The prices of Trailer Brake Control Parts for the 2003 Cadillac Escalade ESV range from $14.99 up to $43.99 for the most premium parts.

What is the average price of a Trailer Brake Control Part for a 2003 Cadillac Escalade ESV?

The average price for Trailer Brake Control Parts for the 2003 Cadillac Escalade ESV is $28.19. 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 Cadillac Escalade ESV model years?

Yes, we carry Trailer Brake Control Parts for 16 model years of Cadillac Escalade ESVs between 2004 and 2020. The following model years are the most popular for Trailer Brake Control Part purchases: 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, and 2012.

What are the cheapest Trailer Brake Control Parts for my 2003 Cadillac Escalade ESV?

The cheapest 2003 Cadillac Escalade ESV Trailer Brake Control Parts we carry are:

Does Advance Auto Parts sell Trailer Brake Control Parts for any other 2003 Cadillac models?

What types of Trailer Brake Control Parts do you sell for my 2003 Cadillac Escalade ESV?

As of 8/2/26, these are some of the most in-demand types of Trailer Brake Control Parts for a 2003 Cadillac Escalade ESV:

Can I get help with 2003 Cadillac Escalade ESV 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 Cadillac Trailer Brake Control Parts and more.

What is your return policy for Cadillac Escalade ESV Trailer Brake Control Parts?

Advance Auto Parts keeps returns simple. For new Cadillac Escalade ESV 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.