MECMO USCAR 7-Way Wiring Harness – OEM-Style Replacement, 16in Pigtail, Universal Trailer Plug
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Description
xOverview
Designed for truck owners who want a dependable tow wiring upgrade, the MECMO USCAR 7-Way Wiring Harness offers an OEM-style replacement that fits the vehicle-side trailer plug. The roughly 16-inch pigtail length provides flexibility for routing and placement, helping you replace a damaged factory harness with a neat, professional-looking connection point.
What you get
- USCAR Replacement Connector: A standardized 7-way pigtail socket for the vehicle-side trailer wiring, about 16 inches long to replace a worn factory harness at the truck end.
- Universal 7 Pin: Works with any 7-wire trailer connector using a standard round plug at the back; can serve as a direct replacement for Ford, GM, Dodge, Toyota, Chevy, GMC, Ram, Nissan, and more.
- Install a 7 Way Trailer Connector: Hardwire into your tow vehicle’s wiring to install a 7-pin trailer connector or to build a multi-tow setup on the vehicle end; commonly used with GM/Ford multi-tow configurations.
- Color Coded: Includes color-coded 7-pin socket and six heat-shrink butt connectors for easier splicing and cleaner swaps of OEM tow harnesses.
- Well Made: Pure copper 14-16 AWG wires wrapped in flexible loom tubing for durability and tidy routing; suitable for retrofitting popular OE tow connectors and often used on older GM models.
Why this matters
If you’re replacing a damaged connector or expanding towing options, this harness is designed to adapt to many common setups while helping you keep wiring organized and protected.
- Compatibility and flexibility: A universal 7-pin replacement that supports multiple brands and multi-tow layouts, reducing the need for separate adapters.
- Durability and ease of install: Copper conductors with a protective loom and heat-shrink connectors aim to simplify routing and provide a tidy, robust install.
Key specs and fit notes
- Length: approximately 16 inches
- Conductor: 14-16 AWG copper wires
- Color coded wiring paired with heat-shrink connectors
- Protection: flexible loom tubing guards against abrasion
- Connector: USCAR 7-pin socket designed for retrofit and replacement use
Compatibility and retrofit guidance
Often used to retrofit OEM tow packages and noted for potential use with older GM trucks (1999–2002). It can serve as a versatile upgrade path for Ford, GM, Dodge, Toyota, Chevy, GMC, Ram, Nissan, and other USCAR-enabled trailers.
Whether you are upgrading or repairing, MECMO offers a practical, aftermarket option that emphasizes clean installation, flexible routing, and universal compatibility without overpromising results.
FAQ
Q: What does the MECMO USCAR 7-Way Wiring Harness include?
A: A 16-inch USCAR 7-pin pigtail harness with color-coded leads and heat-shrink connectors for simple splicing.
Q: Which vehicles or towing setups is it suitable for?
A: It's designed as a universal 7-pin replacement, compatible with Ford, GM, Dodge, Toyota, Chevy, GMC, Ram, Nissan and other USCAR-enabled trailers.
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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