# 7-Pin to 4-Pin Trailer Wiring Adapter

Full listing title: 7-Pin to 4-Pin Trailer Wiring Harnesses CE Certified, Wide Compatibility, American-Style Trailer Wiring Adapter with Dust Cover, for Utility Trailers

- SKU: DCD-10001497938
- Price: 32.79 USD (excludes sales tax; tax calculated at checkout). Price valid until 2026-10-31.
- Availability: In stock (20 available; up to 10 per order)
- Shipping: free standard shipping, United States only; delivered in 11-21 days from order (leaves the warehouse within 4 business days)
- Estimated delivery if ordered today (2026-10-01): 2026-10-12 to 2026-10-22
- Returns: 30 days from delivery for unused items in original packaging; customer pays return shipping unless the item is damaged, defective or not as described; refund to the original payment method within 5 business days of receiving the return (https://suntekstore.com/returns/)
- Category: Garage & Ride (Vehicles & Parts > Vehicle Parts & Accessories)
- Condition: new; brand: SuntekStore
- Package size: 20 x 15 x 8 cm (7.9 x 5.9 x 3.1 in)
- Weight: 0.75 kg (1.65 lb)
- Material: Plastic
- In the box: Trailer Harness ×1
- Color: Black
- Connector Type: 7-pin to 4-pin
- Connector Housing: Molded black
- Accessory: Tethered guarding dust cover

## Description

Product Identity: This 7-pin to 4-pin trailer wiring Harnesses is a black American-style trailer wiring adapter designed to convert a 7-pin car-side plug to a 4-pin trailer connector for reliable electrical linkage.
Primary Function: This trailer connector adapter transmits electrical indications from the towing vehicle to trailer lighting and equipment systems, supporting proper of brake lights, turn indications, and running lights.
Construction Features: Built with a 41-inch wiring length, a corrugated guarding outer sheath, and molded black connector housings, this American-style trailer wiring adapter with dust cover includes a tethered cap to protect the plug when not in use.
Certification & Reliability: This trailer wiring Harnesses is specified with CE and certification, offering consistent performance and peace of mind for regular towing and trailer electrical setups.
Intended Use: Designed for utility trailers, towing configurations, and routine trailer-light maintenance, this trailer wiring adapter simplifies vehicle-to-trailer lighting connections and extends wiring reach where needed.

If you tow utility trailers, boat trailers, or small cargo haulers, a reliable electrical connection between your vehicle and trailer is essential for travel. This 7-pin to 4-pin trailer wiring Harnesses is a black American-style trailer wiring adapter that bridges the bridge between a 7-pin vehicle-side connector and a 4-pin trailer-side connector, giving you a straightforward conversion solution without complicated rewiring. At connector, this trailer connector adapter carries the electrical indications needed to towconnect lighting systems, including brake lights, turn indications, and running lights. Whether you are hooking up a rental trailer for a weekend move or maintaining your utility trailer, this adapter ensures those lights activate with your towing vehicle for improved roadThe Harnesses is built for real-world use with a 41-inch length that provides enough reach for most standard towing setups while reducing excess slack. A corrugated guarding outer sheath shielding the internal wiring from abrasion, moisture, and road debris, and molded black connector housings add durability at the connection points. This American-style trailer wiring adapter with dust cover also includes a tethered guarding dust cover that stays attached to the Harnesses, so you terminal cover the 4-pin end when it is not in use to keep contacts clean andSpecified with CE and certification, this trailer wiring Harnesses is engineered to meet recognized electrical and material standards, giving you added confidence in its performance and durability over time. The flexible guarding conduit resists cracking and wear, even with repeated hookup and removal cycles. Ideal for utility trailers, landscaping trailers, and everyday towing setups, this trailer wiring adapter is a practical addition to your towing gear. It simplifies vehicle-to-trailer lighting connections, extends wiring reach when needed, and supports routine trailer-light maintenance so you can spend less time troubleshooting electrical issues and more time traveling.

Option: 41inch

## How to buy

Open https://suntekstore.com/buy/DCD-10001497938?qty=1 (change qty to 1-10). It redirects to Stripe Checkout; the shopper enters a US shipping address and pays there. No account or cart needed.

## Links

- Product page: https://suntekstore.com/p/DCD-10001497938/
- JSON: https://suntekstore.com/products/DCD-10001497938.json
- Image: https://suntekstore-img.sfo3.digitaloceanspaces.com/p/72/7252e7f6b532375bdfffbd14afd03218db51ac4a.jpg
- Store policies: https://suntekstore.com/llms.txt