Nilight 51108TR 7-Pin to 6-Pin Coiled Trailer Adapter, 8 ft

The Nilight 51108TR is a 7-pin-to-6-pin trailer adapter with a coiled cable listed to extend to 8 feet. Its included socket and mounting bracket are useful for a vehicle-to-trailer lighting connection, but confirm your vehicle and trailer use the matching connector types.

At a glance

Coiled cable is claimed to extend to 8 feet, helping keep the cord from dragging or tangling according to the listing.
The listing describes a 7-way blade vehicle-side plug and 6-way round trailer-side connection.
Manufacturer claims plug-and-play use without rewiring, while its description also says sockets splice into vehicle wiring.

Price

$33.99Save 15%

Reference price: ~~$39.99~~

Price checked: Nov 14, 2026

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Often bought together

CD033 Magnetic Wireless Trailer Lights, LED Tow Light Kit, Red | Rechargeable, IP67 Waterproof, Brake/Turn/Running Signal for Truck, RV, Camper, Boat, Caravan

$63.99

Pros and cons

Pros

Coiled lead offers a listed reach of up to 8 feet and can retract for more orderly storage.
The manufacturer’s included-components list names a 6-way socket and mounting bracket as well as the cable.

Technical specifications

10 specifications

Identity and connector
Brand	Nilight
Model	51108TR
Connector type	7-pin to 6-pin
Cable type	7 to 6 way

Dimensions and installation
Dimensions listed	12 x 9 x 2 inches
Weight listed	1.29 kg

Materials and construction
Material listed	Copper, Thermoplastic Rubber
Wire diameter	2.08 millimeters

Cable and use
Maximum cable extension claimed	8 feet
Conductor gauges claimed	14 & 16 gauge

What to know before buying

Listing details to confirm

The listing describes a plug-and-play adapter but also says the sockets splice into vehicle wiring. It calls out a 7-way blade to 6-way round connection, while the title and connector details only say 7-pin to 6-pin, so confirm the connector shapes and installation method suit your setup. The stated 8-foot reach and conductor gauges are feature claims, not verified measurements.

What’s in the box

7-pin-to-6-pin black trailer cable, 1Included
6-way trailer socket, 1Included
Mounting bracket, 1Included
Screws, 2Check selected pack

Check which accessories are included in your selected pack before buying.

Who is it for?

A good fit for

Drivers connecting a 7-way vehicle-side blade socket to a compatible 6-way trailer-side round connector.
Trailer and RV owners seeking a coiled lead with a listed extension of up to 8 feet.

Less suited to

Buyers whose vehicle or trailer connector does not match the adapter’s 7-way-to-6-way configuration.
Anyone needing a confirmed wiring diagram or a guaranteed no-splice installation method, as those details are not consistently explained in the listing.

Nilight 51108TR 7-Pin to 6-Pin Coiled Trailer Adapter, 8 ft · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 69 ratings

5 stars79%79%
4 stars13%13%
3 stars4%4%
2 stars0%0%
1 star4%4%

Aggregate ratings lean positive, with a smaller share of low ratings. Without review-summary details, they do not establish specific strengths or complaints. Treat them as a general sentiment signal, and prioritize checking connector shape and the unclear installation method for your towing setup.

Frequently asked questions

What connector configuration does the Nilight 51108TR use?

The listing describes a 7-way blade plug on the vehicle side and a 6-way round connection on the trailer side. Confirm those shapes match your sockets before buying.

How far does the coiled cable extend?

The listing claims the coiled cable extends to 8 feet. This is a manufacturer-stated figure, not an independently verified measurement.

Does the adapter require wiring or splicing?

The listing is inconsistent: it says plug and play without rewiring, but also describes sockets for splicing into vehicle wiring. Check the installation details for your setup.