7 Way Trailer February 11, 2019 sou6v9.benhunt.coPollak 11. Pollak 11-721E 7-way split-pin trailer connector socket available from Waytek. Bulk discounts available! www.waytekwire.com Install Light Switch Diagram1 Way And 2 Way Switches4 Prong Relay3 Way Switch BoxGrafik Eye Qs Wiring DiagramTrailer Plug ColoursCurtis Snow Plow Wiring Diagram12 Pin Wiring Diagram