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2002 - 2006 Chevrolet Avalanche 1500
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2002 - 2006 Chevrolet Avalanche 2500
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2004 - 2012, 2015 - 2026 Chevrolet Colorado
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2009, 2017 - 2026 Chevrolet Express 3500
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1999 - 2026 Chevrolet Silverado 1500
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2007 Chevrolet Silverado 1500 Classic
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2001 - 2003, 2005 - 2006 Chevrolet Silverado 1500 HD
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2007 Chevrolet Silverado 1500 HD Classic
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1999 - 2004 Chevrolet Silverado 2500
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2001 - 2026 Chevrolet Silverado 2500 HD
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2007 Chevrolet Silverado 2500 HD Classic
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2001 - 2006 Chevrolet Silverado 3500
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2007 Chevrolet Silverado 3500 Classic
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2007 - 2026 Chevrolet Silverado 3500 HD
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2000 - 2014 Chevrolet Suburban 1500
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2000 - 2013 Chevrolet Suburban 2500
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2016 - 2019 Chevrolet Suburban 3500 HD
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2002 - 2006 Chevrolet Trailblazer EXT
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2011 - 2026 Dodge Durango
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1997 - 2002 Ford E-150 Econoline Club Wagon
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1997 - 2002 Ford E-350 Econoline Club Wagon
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2009 - 2010 Ford Explorer Sport Trac
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2018 Ford Police Interceptor Utility
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2000 - 2011, 2019 - 2026 Ford Ranger
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2010 - 2021 Freightliner Sprinter 2500
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2010 - 2021 Freightliner Sprinter 3500
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2004 - 2012, 2015 - 2026 GMC Canyon
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2001 - 2003, 2005 - 2006 GMC Sierra 1500 HD
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2006 - 2014, 2017 - 2026 Honda Ridgeline
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2021 - 2026 Jeep Grand Cherokee L
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2010 - 2023 Lexus GX460
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2013 - 2021 Lexus LX570
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2022 - 2026 Lexus LX600
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2010 - 2026 Mercedes-Benz Sprinter 2500
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2010 - 2026 Mercedes-Benz Sprinter 3500
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2005 - 2015, 2017 - 2026 Nissan Armada
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2020 - 2026 Volkswagen Atlas Cross Sport
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Retrofits weatherproof USCAR-type 7-way to vehicles not equipped by using CURT part numbers 55415, 55515, 55664, 55774, 56415, 56515 or 57101
Warranty: One-Year Limited Warranty
Installation Difficulty: Novice
Installation Time Exact (Minutes): 10
Like trailer hitches and ball mounts, electrical connectors range all over the board in shape, size and capability, but no matter what your trailer's electrical functions are, you need a solid connection to keep the power flowing and ensure safety on the road. CURT electrical connectors are designed and manufactured to give you a reliable connection every time you plug in your trailer. This 7-way USCAR replacement harness is designed to replace an existing USCAR plug and supply power for tail lights, turn signals, electric trailer brakes, a battery, reverse lights and brake lights, as well as a ground connection. It features rust-free black plastic construction and comes with color-coded wires and 24" of bonded wire for easy splicing into your vehicle's wiring system. This 7-way USCAR connector is a female-end socket, specifically designed for the vehicle side of the connection.
CURT offers a variety of high-quality trailer hitches and accessories for select vehicle models. Find the perfect fit for your towing needs at TowUniverse.
CURT, a Lippert brand, offers a complete line of towing products and is the leading manufacturer of custom-fit trailer hitches. We offer the broadest selection of custom-fit hitches, and each one is designed, welded, and coated in Wisconsin.
CURT is also a leader in flat towing products, as well as 5th wheel, gooseneck, and weight distribution hitches, ball mounts, electrical components, cargo solutions, and other towing accessories.
For everything from passenger cars and vans to full-size pickups and SUVs, CURT is 'The First Name in Towing Products®.'
Experts available to answer your questions
Call 888-634-9494Rediscover "Us" Time | Tested. Proven. Safe. Towing Products
158 compatible vehicles
| Year | Make & Model | Notes |
|---|---|---|
| 2017 - 2022 | Audi Q7 | For use on vehicles equipped with OEM mating plug |
| 2008 - 2026 | Buick Enclave | For use on vehicles equipped with OEM mating plug |
| 2004 - 2007 | Buick Rainier | For use on vehicles equipped with OEM mating plug |
| 2002 - 2026 | Cadillac Escalade | For use on vehicles equipped with OEM mating plug |
| 2003 - 2026 | Cadillac Escalade ESV | For use on vehicles equipped with OEM mating plug |
| 2002 - 2013 | Cadillac Escalade EXT | For use on vehicles equipped with OEM mating plug |
| 2017 - 2026 | Cadillac XT5 | For use on vehicles equipped with OEM mating plug |
| 2020 - 2025 | Cadillac XT6 | For use on vehicles equipped with OEM mating plug |
| 2007 - 2013 | Chevrolet Avalanche | For use on vehicles equipped with OEM mating plug |
| 2002 - 2006 | Chevrolet Avalanche 1500 | For use on vehicles equipped with OEM mating plug |
| 2002 - 2006 | Chevrolet Avalanche 2500 | For use on vehicles equipped with OEM mating plug |
| 2019 - 2026 | Chevrolet Blazer | For use on vehicles equipped with OEM mating plug |
| 2004 - 2012, 2015 - 2026 | Chevrolet Colorado | For use on vehicles equipped with OEM mating plug |
| 2018 - 2022 | Chevrolet Equinox | For use on vehicles equipped with OEM mating plug |
| 2009 | Chevrolet Express 1500 | For use on vehicles equipped with OEM mating plug |
| 2009 - 2026 | Chevrolet Express 2500 | For use on vehicles equipped with OEM mating plug |
| 2009, 2017 - 2026 | Chevrolet Express 3500 | For use on vehicles equipped with OEM mating plug |
| 2009 | Chevrolet Express 4500 | For use on vehicles equipped with OEM mating plug |
| 1999 - 2026 | Chevrolet Silverado 1500 | For use on vehicles equipped with OEM mating plug |
| 2007 | Chevrolet Silverado 1500 Classic | For use on vehicles equipped with OEM mating plug |
| 2001 - 2003, 2005 - 2006 | Chevrolet Silverado 1500 HD | For use on vehicles equipped with OEM mating plug |
| 2007 | Chevrolet Silverado 1500 HD Classic | For use on vehicles equipped with OEM mating plug |
| 2019 | Chevrolet Silverado 1500 LD | For use on vehicles equipped with OEM mating plug |
| 2022 | Chevrolet Silverado 1500 LTD | For use on vehicles equipped with OEM mating plug |
| 1999 - 2004 | Chevrolet Silverado 2500 | For use on vehicles equipped with OEM mating plug |
Yes, this CURT replacement USCAR socket fits 2017-2026 Audi Q7 models, so your 2026 is covered. This weatherproof 7-way connector will replace any damaged or missing USCAR vehicle harness on your Q7. The 24-inch wires give you plenty of length for installation flexibility.
Absolutely! This CURT replacement socket is designed to fit 2017-2026 Audi Q7 models, so your 2020 is a perfect match. It's specifically the vehicle-side female socket that connects to your trailer's 7-way plug and handles all your trailer's electrical functions including brakes, lights, and battery charging.
This connector fits a wide range of vehicles including 2017-2026 Audi Q7; 2008-2026 Buick Enclave; 2004-2007 Buick Rainier; 2002-2026 Cadillac Escalade; 2003-2026 Cadillac Escalade ESV; 2002-2013 Cadillac Escalade EXT; 2017-2026 Cadillac XT5; 2020-2025 Cadillac XT6; and many Chevrolet, Ford, GMC, Ram, Toyota, and other models from various years. It's designed to retrofit weatherproof USCAR-type 7-way connections to vehicles that need replacement harnesses. Always verify your specific year, make, and model for proper fitment.
Installation is rated as novice-level difficulty and takes just about 10 minutes to complete. The connector comes with 24-inch color-coded, bonded wires that make splicing into your vehicle's wiring system straightforward. You'll just need basic hand tools, and the included instructions will guide you through the process.
The Curt 56229 is a USCAR replacement vehicle end wiring harness with 24" wires. It is used to connect a trailer to a vehicle's electrical system, carrying signals for turn lights, brake lights, running lights, reverse lights, and brake control.
The manual does not provide a specific vehicle compatibility list. Contact Curt Manufacturing at 877.287.8634 or visit curtmfg.com to confirm fitment for your vehicle.
The 56229 has seven wires: Green (right turn and brake), Yellow (left turn and brake), Black (battery power +), White (ground), Brown (tail and running lights), Blue (brake control), and Purple (reverse lights).
You will need a wire stripper, crimping tool, and heat gun. These are required to strip wire insulation, crimp butt splices, and apply heat shrink to the connections.
Strip the insulation to reveal 0.25" (1/4") of bare wire on both the 56229 harness wire and the vehicle wire before splicing.
1. Strip 0.25" of insulation from both the 56229 wire and vehicle wire. 2. Place heat shrink on the wire. 3. Crimp the butt splice connector. 4. Position the heat shrink over the splice and heat it with a heat gun or similar device until it shrinks.
Yes. Heat shrink is required. After crimping the butt splice, position the heat shrink over the splice and heat it using a heat gun or similar device to seal and protect the connection.
Avoid heating the gas tank, fuel lines, brake lines or other flammable materials when heating the heat shrink. Use care to direct heat only at the splice and heat shrink.
Do not exceed the product rating or the tow vehicle's lamp load rating, whichever is lower. The manual does not specify the exact product rating; contact Curt Manufacturing at 877.287.8634 for the specific amperage or wattage limit.
The Curt 56229 is a USCAR replacement vehicle-end wiring harness with 24" wires for connecting trailers to vehicles. It carries signals for turn, brake, running, and reverse lights, plus brake control.
Wire stripper, crimping tool, and heat gun.
Strip 0.25" (1/4") of insulation from both the harness wire and vehicle wire.
Yes. Heat shrink must be placed on the wire before crimping, then positioned over the splice and heated with a heat gun to seal the connection.
Avoid heating the gas tank, fuel lines, brake lines or other flammable materials. Direct heat only at the splice and heat shrink.
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