

CURT 56229 Replacement USCAR Connector Wiring Harness – 7-Pin Trailer Wiring, 24-Inch Wires
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Description
xOverview
The CURT 56229 is a 7-way USCAR replacement harness designed to restore a solid electrical connection for your trailer system. It supports tail lights, turn signals, electric trailer brakes, a battery feed, reverse lights, and a ground path. Built in a rust-free black plastic housing, the harness includes 24 inches of bonded, color-coded wiring to ease integration with your vehicle’s wiring. This setup is crafted to deliver dependable power where you need it most, without assuming guarantees of performance, but with clear pathways for reliable operation.
Key benefits at a glance include a straightforward replacement option for damaged or missing USCAR harnesses, as well as a factory-style wiring harness that simplifies routing and splicing into your vehicle’s electrical system. The 24 inch length provides flexibility to route the wires neatly, reducing clutter and potential wear at stress points.
What it covers and how it works
- Replaces damaged or missing USCAR vehicle harnesses
- Includes 24" color-coded, bonded wires for easy installation
- One-year limited warranty
- Made in USA
- Retrofits weatherproof USCAR-type 7-way to vehicles not equipped by using CURT part numbers 55415, 55515, 55664, 55774, 56415, 56515 or 57101
Installation tips and practical notes
- Ensure color codes match when integrating with your vehicle wiring
- Disconnect the vehicle battery before starting work to prevent shorts
- Carefully test tail lights, brake lights, and turn signals after wiring
- For retrofit compatibility, reference the CURT part numbers listed for your vehicle
Real-world use cases
Use this harness to replace a worn or missing USCAR connector on trailers or vehicles. The 24 inch bonded wires offer flexibility for clean routing in cramped engine bays or undercarriage areas, while the rugged black housing helps resist incidental contact and corrosion. This solution is suitable for vehicles not originally wired for a 7-way USCAR connection, provided you select the appropriate retrofit path as recommended by CURT.
Durability, build, and promise
With a rust-free exterior and color-coded wiring, the harness is designed for straightforward installation and long-term service. Note that CURT backs the product with a one-year limited warranty and emphasizes Made in USA quality standards.
FAQ
Q: What does the CURT 56229 replacement USCAR connector wiring harness replace?
A: It replaces a damaged or missing USCAR vehicle harness and provides a 7-way connection for tail lights, brakes, and power from the vehicle.
Q: Is installation ready out of the box, or are extra parts needed?
A: The kit includes 24 inches of color-coded bonded wires and a female-end socket; installation may require splicing and, if needed, retrofit with CURT part numbers.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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