Universal Multi-Tow 4-Way to 7-Way Blade and 4 Pin Flat Trailer Light Connector
4 FLAT AND 7 WAY BLADE OUTPUT: Dual 4 way and 7 way trailer light adapter for connecting 4 poles or 7 poles trailer to factory 4 pin socket to power taillights, brake, turn signals, reverse, electric trailer brakes and auxiliary power 12V.