This vehicle is designed not only to travel 1 place to another but also to take heavy loads. It consists of instructions and diagrams for different varieties of wiring techniques as well as other items like lights, home windows, and so on. trailerwiringdiagram.jpg Esquema Electrico Carro There is 3 wiring patterns for a 7 way plug. Trailer brake wiring diagram 7 way . Click on the image below to enlarge it. 7 pin trailer wiring diagram with brakes. The first diagram is a simple set up of two brake lights, two indicators and two side lights. Each component ought to be set and connected with different parts in particular manner. Heavy duty 7 way plug inline trailer cord with double prongs connector 8ft. 7 way trailer plug wiring diagram ford f250. Installing 7 way trailer connector and brake controller on 2003 chevy blazer. 7 way plug wiring diagram standard wiring post purpose wire color tm park light green battery feed black rt right turnbrake light brown lt left ...