Product Review

There are several different types of connectors used to supply power from a tow vehicle's electrical system to a trailer's wiring system
You may come across the situation that the connection between your vehicle and your trailer is not a perfect match for towing
For example, your truck may be equipped with a 4-way flat socket, but your trailer may have a 7-way blade plug
For This Very Common Problem, MICTUNING 4-Way to 7-Way Trailer Adapter Plug Offers The Best Solution

MICTUNING 4 Pin Flat to 7 Pin Round RV Blade Trailer Plug Adapter
It is an electrical device that allows a connection to be made between a mismatched trailer plug and vehicle socket
It easily plugs in your vehicle's electrical socket and usually requires no additional wiring
Works on most vehicle wiring component like turn signals, brakes and auxiliary power
Applicable for utility RV boat camper trailer car carrier, allows the user to create custom plug-in wiring systems for any towing situation

Wiring Harness Connection:
Brown Wire (from 4-Way Plug): Tail lights
Green Wire (from 4-Way Plug): Right turn signal
Yellow Wire (from 4-Way Plug): Left turn signal
White Wire: Attach to a vehicle ground point
Yellow Wire: Spare wire, backup
Blue Wire: Connect to output wire on brake controller
Black Wire: Connect to fuse block or fused battery lead

Package Content:
1x Trailer Adapter Plug
1x Mounting Bracket
6x Screws
6x Nuts