2003 GMC Sierra 1500 HD Trailer Brake Control Parts

Essential 2003 GMC Sierra 1500 HD Trailer Brake Control Parts

Tekonsha – Brake Control Connector w/Harness – For GM trucks 1999-2002 – with Prodigy – P3 & Primus control (Part No.3025-P)

Brake Control Connector w/Harness - For GM trucks 1999-2002 - with Prodigy - P3 & Primus control

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$17.79
Brake Control Connector w/Harness – For GM trucks 1999-2002 – with Prodigy – P3 & Primus control

CURT – Trailer Brake Controller Harness, Select Cadillac, Chevrolet, GMC (Part No.51342)

Trailer Brake Controller Harness, Select Cadillac, Chevrolet, GMC

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$19.49
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.

Product Features:
  • Allows a CURT trailer brake controller to be plugged into OEM socket
  • Quick plug harness installs with plug-and-play convenience
  • Wire colors match standard brake controller harnesses
  • Includes 24″ of 12 gauge wire for flexible installation
  • Slit-loom sleeve keeps wires contained and protected
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CURT – Trailer Brake Controller Harness (Packaged) (Part No.51353)

Trailer Brake Controller Harness (Packaged)

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$29.49
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 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.

Product Features:
  • Allows a CURT trailer brake controller to be plugged into OEM socket
  • Quick plug harness installs with plug-and-play convenience
  • Wire colors match standard brake controller harnesses
  • Includes 24″ of 12 gauge wire for flexible installation
  • Slit-loom sleeve keeps wires contained and protected
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CURT – Trailer Brake Controller Harness (Part No.51352)

Trailer Brake Controller Harness

from

$11.99
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.

Product Features:
  • Allows a CURT trailer brake controller to be plugged into OEM socket
  • Quick plug harness installs with plug-and-play convenience
  • Wire colors match standard brake controller harnesses
  • Includes 24″ of 12 gauge wire for flexible installation
  • Slit-loom sleeve keeps wires contained and protected
See More

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

Trailer Brake Controller Harness (Packaged)

from

$30.99
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.

Product Features:
  • Allows a CURT trailer brake controller to be plugged into OEM socket
  • Quick plug harness installs with plug-and-play convenience
  • Wire colors match standard brake controller harnesses
  • Includes 24″ of 12 gauge wire for flexible installation
  • Slit-loom sleeve keeps wires contained and protected
See More

Hopkins – Time Based Brake Control – Digital (Part No.47285)

Time Based Brake Control - Digital

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$84.99
The 47285 brake control utilizes time based actuation for applying braking power to the trailer brakes. The built-in digital display makes it easy for setting braking intensity. The braking force to the trailer can easily be adjusted from 5% to 99% for setting the exact percentage of brake power desired. Most states and provinces require a trailer brake controller based on the weight of the trailer.

Product Features:
  • Time-Based Braking
  • Mounts At Any Angle
  • Percentage Of Braking Power Shown
  • Fully Digital Settings
  • Intuitive Vertical Manual Slide
  • Short Proof Protected
  • Controls Up To 4 Trailer Brakes
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Hopkins – 47284, Reliance Plug-In Simple!® Trailer Brake Control (Part No.47284)

47284, Reliance Plug-In Simple!® Trailer Brake Control

from

$78.99
The 47284 brake control utilizes time based actuation for applying braking power to the trailer brakes. The built-in digital display makes it easy for setting braking intensity. The braking force to the trailer can easily be adjusted from 5% to 99% for setting the exact percentage of brake power desired. Most states and provinces require a trailer brake controller based on the weight of the trailer.

Product Features:
  • Time-based braking
  • Mounts at any angle
  • Percentage of braking power shown
  • Plug In Simple Feature
  • Intuitive vertical manual slide
  • Short Proof Protected
  • Controls up to 4 trailer brakes
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Hopkins – 47297, InSIGHT Plug In Simple!® Trailer Brake Control (Part No.47297)

47297, InSIGHT Plug In Simple!® Trailer Brake Control

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$124.99
New trucks are becoming more car-like every year making it almost impossible to install a traditional brake controller. With the InSIGHT brake control, you gain the flexibility needed to make a simple, no tools required installation in any vehicle. This three part system allows the driver to bring the display back in sight where they can see what is going on as well as bringing the controls within a comfortable reach whether you are right or left handed. Mount the brain of the system out of sight. So, no more banging your knee every time you get in and out of your vehicle. This proportional brake controller creates stops that are safe and smooth, making you feel like you aren’t even towing a trailer! With easy to set gain adjustments and a digital display will make setting this brake control quick and easy. Seven On-the-fly sensitivity settings allows you to adjust for trailer weights and weather at the press of a button. Most states and provinces require a trailer brake controller based on the weight of the trailer.

Product Features:
  • Proportional braking
  • No Tools Required Installation, no drilling required
  • Percentage of braking power shown
  • 7 Sensitivity Settings for Advanced Braking Control
  • Intuitive vertical manual slide
  • Short Proof Protected
  • Controls up to 8 trailer brakes
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Hopkins – Premium Brake Controller with Smart LED Display (Part No.47225)

Premium Brake Controller with Smart LED Display

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$73.99
The 47225 brake control utilizes time based actuation for applying braking power to the trailer brakes. An LED indicator will glow displaying braking intensity. The brighter the glow, the more braking force is being applied to the trailer brakes. Most states and provinces require a trailer brake controller based on the weight of the trailer.

Product Features:
  • Smart LED Display Shows Trailer Connection
  • Braking Function/Short circuit Notification
  • Changes Green To Yellow As Power Increases
  • Plug In Simple Feature
  • Intuitive vertical manual slide
  • Short Proof Protected
  • Controls up to 4 trailer brakes
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Husky Towing – Compatible With Controllers Without A Connector, Universal Plug, 1 Plug (Part No.31865)

Compatible With Controllers Without A Connector, Universal Plug, 1 Plug

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$20.99
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.

Product Features:
  • The Safest Or Easiest Way To Wire A Brake Control To Your Tow-Prepped Vehicle
  • Simply Attach The Adapter To The Brake Control
  • Constructed with durable, quality materials, and is rigorously tested to industry safety standards
  • Easy to install
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Husky Towing – Wire Connector Univ (Part No.31866)

Wire Connector Univ

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$21.99
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.

Product Features:
  • The Safest Or Easiest Way To Wire A Brake Control To Your Tow Prepped Vehicle
  • Simply Attach The Adapter To The Brake Control
  • Limited 90 Day Warranty
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2003 GMC Sierra 1500 HD Trailer Brake Control Parts

Maybe you’re in the middle of a full rebuild of that 2003 GMC Sierra 1500 HD. Maybe you just need a couple of Trailer Brake Control Parts. Either way, Advance Auto Parts has 5 different Trailer Brake Control Parts in our inventory ranging from $11.99 to $124.99. That means you can find the exact parts or products you need to keep that 2003 GMC Sierra 1500 HD running smoothly.

Trailer Brake Control Parts are only as good as their brand. We stock 3 different brands to make sure you have plenty of trusted parts to choose from for your 2003 GMC Sierra 1500 HD. Hopkins, Husky, and CURT are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Trailer Brake Control Parts for your 2003 GMC Sierra 1500 HD, but don’t take our word for it – read our customer ratings and reviews and buy with confidence.

So if you’re in the market for aftermarket Trailer Brake Control Parts to keep your 2003 GMC Sierra 1500 HD rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Trailer Brake Control Parts Brands To Make Your 2003 GMC Sierra 1500 HD Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2003 GMC Sierra 1500 HD demands trusted brand parts and products to keep it running. Many trusted brands of Trailer Brake Control Parts make up Advance Auto Parts’ inventory, and all are ready to help make your Sierra 1500 HD the best it can be. Be sure to browse some of our top Trailer Brake Control Parts brands and parts.

Popular Hopkins Trailer Brake Control Parts

We carry Hopkins parts in our stock across Trailer Brake Controls categories, plus more. For a 2003 GMC Sierra 1500 HD, our most popular Hopkins Trailer Brake Control Parts include:
47284, Reliance Plug-In Simple!® Trailer Brake Control
from $78.99
(19)
47284, Reliance Plug-In Simple!® Trailer Brake Control
Trailer Brake Controls

FAQs for 2003 GMC Sierra 1500 HD Trailer Brake Control Parts

What are the most purchased Trailer Brake Control Parts for the 2003 GMC Sierra 1500 HD?

Out of 5 Trailer Brake Control Parts for the 2003 GMC Sierra 1500 HD, the most popular in our inventory are:
47297, InSIGHT Plug In Simple!® Trailer Brake Control
from $124.99
This product is not rated
47297, InSIGHT Plug In Simple!® Trailer Brake Control
Trailer Brake Controls
Trailer Brake Controller Harness
from $11.99
This product is not rated
Trailer Brake Controller Harness
Trailer Brake Harness
Wire Connector Univ
from $21.99
This product is not rated
Wire Connector Univ
Trailer Brake System Connectors