1. Design for GMC Terrain and Chevrolet Equinox - 4-way flat tow hitch wire designed for 2010-2017 Chevrolet Equinox and 2010-2017 GMC Terrain - OEM-compatible connectors to plug into the taillight assembly for a secure fit 2. Standard 4-Pin Trailer Light Plug - Provides a standard 4-way flat trailer plug connector to support trailer tail lights, brake signals, and turn signals - After installation, the 4-way connector is stowed beneath the vehicle near the trailer hitch 3. Multi-Plug - Dual-output 4 Pin and 7 Pin trailer wiring adapter - Converts a 4-wire flat vehicle-end plug to both a 7-way blade RV outlet and a 4-way flat outlet - Facilitates towing different trailers with the Chevy Equinox 4. Universal Trailer Adapter - Multi-Tow 4&7 trailer connector adapter with two standard trailer connections: 7-pin RV blade and 4-way flat socket - Adapts for versatile towing options - Includes additional leads for brake, reverse and power functions to transfer from a 4-pin factory connector to a standard 7-way