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- £31.27
- £31.27
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Free Returns
Description
xOverview
Oyviny Custom 4-Pin Trailer Wiring Harness 56325 is designed to enhance the towing readiness of select GMC, Cadillac, Chevy, and Buick models. It provides a reliable 4-flat connection to power trailer tail lights, brake signals, and turn indicators, helping you stay visible and prepared when hitching a trailer.
Key Benefits
- Effortless plug-and-play installation with the OEM tow wiring harness—no cutting or splicing required.
- Durable 16 AWG bonded pure copper wires and a generous 77-inch length for flexible routing.
- Corrosion-resistant tin-plated terminals and a rubber dust cover protect the connector when not in use.
- Standard 4-flat connector compatibility supports a wide range of trailers for lighting and signaling.
Compatibility & Fit
Fits GMC Acadia models from 2017 to 2023, Chevrolet Blazer from 2019 to 2025, Buick Envision 2021-2025, Cadillac XT5 2017-2025, and XT6 2020-2025. The harness integrates with the factory tow package wiring for a seamless upgrade.
Installation & Practical Use
- Plug into the OEM tow package wiring harness; no modifications to the vehicle's electrical system are required.
- Route the 77-inch harness to avoid interference with underbody components and moving parts.
- Use the 4-flat connection to power trailer lighting for trailers, cargo carriers, or accessory trailers that rely on tail lights and signaling.
Note: This harness is designed to provide a reliable connection and compatibility with a wide range of trailers; actual performance can vary based on hitch setup, trailer wiring, and vehicle configuration.
FAQ
Q: Which vehicles is the Oyviny 56325 4-pin trailer wiring harness compatible with?
A: Compatible with GMC Acadia (2017-2023), Chevrolet Blazer (2019-2025), Buick Envision (2021-2025), and Cadillac XT5/XT6 (2017-2025); installs via OEM tow harness.
Q: Is any cutting or splicing required during installation?
A: No cutting or splicing is needed; simply plug the harness into the OEM tow wiring harness.
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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