GMC Sierra 2500 Trailer Brake Harness

Your GMC Sierra 2500 will be happy to know that the search for the right Trailer Brake Harness you’ve been looking for is over! Advance Auto Parts has 4 different Trailer Brake Harness for your vehicle, ready for shipping or in-store pick up. The best part is, our GMC Sierra 2500 Trailer Brake Harness start from as little as $17.79.

When it comes to your GMC Sierra 2500, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with only top reliable Trailer Brake Harness brands so you can shop with complete confidence. Some of our top Trailer Brake Harness brands are Tekonsha and CURT. We’re sure you will get the right product to keep that Sierra 2500 running for a long time.

Shop online, find the best price on the right product, and have it shipped right to your door. If you prefer to shop in person for the right Trailer Brake Harness for your Sierra 2500, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time!

Compare 6 GMC Trailer Brake Harness

Hopkins – 47795, CHEVROLET / GMC Plug-In Simple!® Trailer Brake Control Connector (Part No.11147795)

47795, CHEVROLET / GMC Plug-In Simple!® Trailer Brake Control Connector

from

$17.79
Reduce your brake control installation time to minutes! Many of today’s tow vehicles come with an O.E.M. connector harness under the dash. This harness simply plugs into the tow vehicle and then plugs into the Hopkins brake control to complete the install.

Product Features:
  • Plug-In-Simple!®
  • 36 inch wire length
  • O.E.M. connector plugs directly into tow vehicle
  • For vehicles with a factory tow package
  • Includes Step-By-Step Instructions And Diagrams
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CURT – Trailer Brake Controller Harness, Select Enclave, Acadia, Traverse, Outlook (Part No.51422)

Trailer Brake Controller Harness, Select Enclave, Acadia, Traverse, Outlook

from

$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 Buick Enclave, GMC Acadia, Acadia Limited, Chevy Traverse and Saturn Outlook (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.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
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CURT – Trailer Brake Controller Harness (Packaged) (Part No.51353)

Trailer Brake Controller Harness (Packaged)

from

$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
See More

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

Trailer Brake Controller Harness, Select Cadillac, Chevrolet, GMC

from

$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
See More

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

from

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

FAQs for GMC Sierra 2500 Trailer Brake Harness

What are the most popular Trailer Brake Harness for the GMC Sierra 2500?

With 2 brands you can trust, our most popular Trailer Brake Harness for the GMC Sierra 2500 are:
Trailer Brake Controller Harness, Select Cadillac, Chevrolet, GMC
from $19.49
This product is not rated
Trailer Brake Controller Harness, Select Cadillac, Chevrolet, GMC
Trailer Brake Harness
Trailer Brake Controller Harness (Packaged)
from $30.99
This product is not rated
Trailer Brake Controller Harness (Packaged)
Trailer Brake Harness
Trailer Brake Controller Harness (Packaged)
from $29.49
This product is not rated
Trailer Brake Controller Harness (Packaged)
Trailer Brake Harness