Oyviny Custom 4-Way Trailer Wiring Harness 55540 for 2003-2023 Chevy Express / GMC Savana
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Description
xOyviny Custom 4-Way Trailer Wiring Harness 55540 — Ready for versatile towing
The Oyviny 4-Way Trailer Wiring Harness 55540 is designed to simplify light wiring for Chevy Express and GMC Savana models spanning 2003 to 2023. This kit delivers a dependable four-flat connection that powers essential trailer lights, helping you stay visible and in control on the road without the guesswork of improvised wiring. Its thoughtful design blends practical installation with durable materials so you can trust it for routine towing or occasional trips.
Compatibility at a glance
- Fits 2003–2014 Chevrolet Express 1500; 2003–2023 Express 2500/3500
- Fits 2003–2014 GMC Savana 1500; 2003–2023 Savana 2500/3500
- 4-flat connector supports a wide range of trailers, including utility, camping, and small boat trailers
Durable, weather-ready construction
- ABS plastic housing provides rigidity and impact resistance
- Pure copper wires deliver solid conductivity for clear signal transmission
- Corrosion-resistant 4-pin flat connector features a rubber dust cover to seal the socket when not in use
Protection and longevity you can feel
- Black nylon net tube guards wiring against weather exposure and abrasion
- Protected routing helps maintain performance over time with less need for adjustment
- 80 inches of wiring length offers flexible routing options around spare tires, frames, or bumpers
Easy, no-hassle installation
Designed for a plug-and-play experience, this harness plugs into existing vehicle and trailer connectors without cutting or splicing. The extra length helps you position the harness for tidy, coil-free routing, saving time and effort during setup.
Real-world use cases
Whether you’re hitching a small utility trailer for gear, a camping trailer for a weekend trip, or a boat trailer for a day on the water, the Oyviny 4-Way Harness provides a straightforward way to connect lights and signals. Consider it a practical upgrade for steady towing reliability and easier maintenance on the road.
FAQ
Q: Is this 4-way trailer wiring harness compatible with my Chevy Express or GMC Savana?
A: Yes. It fits 2003–2014 Express 1500; 2003–2023 Express 2500/3500; 2003–2014 Savana 1500; and 2003–2023 Savana 2500/3500.
Q: Does installation require cutting or splicing?
A: No. It plugs into existing vehicle and trailer connectors for a quick, tool-free setup.
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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