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About Us
Nilight is a popular brand that is dedicated to providing innovative, cost-effective, and quality products. We have specialized in automotive products and parts for many years. Constant improvement and innovation is our eternal aim.
30A/50A RV Replacement Plug
RV Replacement Plug & outlet
RV/Generator Adapter plug
RV Power Box
RV Power Box
RV Y Adapter Cord
RV Locking Extension Cord
30A Generator Extension Cord
30A 50A RV/EV Extension Cord
Generator Cord&Power Inlet Box
EV Charger Adapter Cord
RV Locking Adapter Cord
RV Shore Power Outlet
RV Shore Plug and Connector
RV Surge Protector & Tester
RV Circuit Tester&Adapter plug
RV Twist Lock Adapter plug
RV/Generator Adapter plug
Nilight 7 Pin Round to 4-Way 5-Pin Flat Blade Light Adapter
Design to connect and transmit electrical signals between a towing vehicle (car, truck) and a trailer.
Design eliminates the need for cutting or splicing, hassle free setup, easy to install and remove. Standard plug internal design with strong fixing, 7-pin can hold the adapter in place.
Product Details
Multi-Function Trailer Adapter
Trailer plug adapter 7-round to 4-flat combines 4 way plug with 5 way plug, and can be used by most trailers
Round 7 Pin Connector
Nilight 7 way blade socket connects to your RV Trailers Boat. The plug with copper pin contacts, better electrical conductivity.
Plug and Play
Simple plug-and-play. Just plug the 7 pin socket to your vehicle 7 way plug, and connect it to your trailer’s 4 way or 5 way plug
Weatherproof Cap
Both 4 pin and 5 pin socket come with rubber dust covers, which keeps terminals clean and protected when you are not towing a trailer.
Brass terminals
Brass and Tin-Plated terminal ensure great conductivity. Standard plug internal design with strong fixing, 7-pin can hold the adapter in place, no need to worry about it will fall off.
Reinforced Nylon plastic
Constructed with dust-free and high-impact glass-filled nylon housing with excellent water resistance, high temperature resistance, wear resistance and corrosion resistance, available for used at any outdoor conditions.
Wiring Diagram
Application
Comparison
 Trailer Wiring Plug |  Trailer Wiring Plug |  Trailer Wiring Plug |  Trailer Wiring Harness |  Trailer Wiring Harness | |
|---|---|---|---|---|---|
Customer Reviews | — | — | — | — | — |
Price | — | — | — | — | — |
Trailer Wiring | ? | ? | ? | ? | ? |
Wire Length | — | — | — | 5 FEET | 3 FEET |
Function | supply power to trailer light | supply power to trailer light | supply power to trailer light | supply power to trailer light | supply power to trailer light |
Plug and play | ? | ? | ? | ? | ? |
Universal | ? | ? | ? | ? | ? |
Nilight 7 Pin Round to 4-Way 5-Pin Flat Blade Light Adapter
Design to connect and transmit electrical signals between a towing vehicle (car, truck) and a trailer.
Design eliminates the need for cutting or splicing, hassle free setup, easy to install and remove. Standard plug internal design with strong fixing, 7-pin can hold the adapter in place.
Product Details
Multi-Function Trailer Adapter
Trailer plug adapter 7-round to 4-flat combines 4 way plug with 5 way plug, and can be used by most trailers
Round 7 Pin Connector
Nilight 7 way blade socket connects to your RV Trailers Boat. The plug with copper pin contacts, better electrical conductivity.
Plug and Play
Simple plug-and-play. Just plug the 7 pin socket to your vehicle 7 way plug, and connect it to your trailer’s 4 way or 5 way plug
Weatherproof Cap
Both 4 pin and 5 pin socket come with rubber dust covers, which keeps terminals clean and protected when you are not towing a trailer.
Brass terminals
Brass and Tin-Plated terminal ensure great conductivity. Standard plug internal design with strong fixing, 7-pin can hold the adapter in place, no need to worry about it will fall off.
Reinforced Nylon plastic
Constructed with dust-free and high-impact glass-filled nylon housing with excellent water resistance, high temperature resistance, wear resistance and corrosion resistance, available for used at any outdoor conditions.
Wiring Diagram
Application
Comparison
Trailer Wiring Plug | Trailer Wiring Plug | Trailer Wiring Plug | Trailer Wiring Harness | Trailer Wiring Harness |
|---|---|---|---|---|
| Customer Reviews | ||||
| — | — | — | — | — |
| Price | ||||
| — | — | — | — | — |
| Trailer Wiring | ||||
| ? | ? | ? | ? | ? |
| Wire Length | ||||
| — | — | — | 5 FEET | 3 FEET |
| Function | ||||
| supply power to trailer light | supply power to trailer light | supply power to trailer light | supply power to trailer light | supply power to trailer light |
| Plug and play | ||||
| ? | ? | ? | ? | ? |
| Universal | ||||
| ? | ? | ? | ? | ? |
About Us
Nilight is a popular brand that is dedicated to providing innovative, cost-effective, and quality products. We have specialized in automotive products and parts for many years. Constant improvement and innovation is our eternal aim.
30A/50A RV Replacement Plug
RV Replacement Plug & outlet
RV/Generator Adapter plug
RV Power Box
RV Power Box
RV Y Adapter Cord
RV Locking Extension Cord
30A Generator Extension Cord
30A 50A RV/EV Extension Cord
Generator Cord&Power Inlet Box
EV Charger Adapter Cord
RV Locking Adapter Cord
RV Shore Power Outlet
RV Shore Plug and Connector
RV Surge Protector & Tester
RV Circuit Tester&Adapter plug
RV Twist Lock Adapter plug
RV/Generator Adapter plug
