You will want to make sure that the prodigy brake controller you have is designed for electric over hydraulic brakes. Auxiliary power is supplied by compatible vehicles through a 7 pin 12 pin or anderson plug with at least a 30 amp rating.

Trailer Wiring Diagram And Installation Help Towing 101
7 pin trailer plug wiring with electric brakes. 4 way trailer connectors are typically used on small trailers such as boat snowmobile utility and other trailers that that do not use brakes. Blue electric brakes or hydraulic reverse disable see blue wire notes below in the trailer wiring diagram and connector application chart below use the first 5 pins and ignore the rest. 4 way trailer connectors are. 7 pin trailer wiring is one of the most popular wiring configruations particularly the traditional configuration versus the sae j2863. Use the 7 pin connector anyway see below and just leave out the last 2 wires. 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 turnbrake light red s trailer electric brakes blue gd ground white a accessory yellow this is the most common standard wiring scheme for rv plugs and the one used by major auto manufacturers today.
Thanks for watching. I am including a picture of a 7 way and it shows the functions of each pin. Various connectors are available from four to seven pins that allow for the transfer of power for the lighting as well as auxiliary functions such as an electric trailer brake controller backup lights or a 12v power supply for a winch or interior trailer lights. Trailer plug wiring diagram 4 pin duration. The wiring installation is the same on all of the of the brake controllers. Looking at the 7 way from the outside front it will be at the 500 position.
If your truck has a built in 7 pin socket but you only need 5 of the pins. This would remove the need to keep the tow vehicles headlights on while elecbrakes is in use. If not the arrangement will not function as it ought to be. 7 pin trailer wiring diagram with brakes 7 pin flat trailer wiring diagram with brakes 7 pin rv trailer wiring diagram with brakes 7 pin trailer wiring diagram with brakes every electrical arrangement is made up of various different parts. As the name implies they use four wires to carry out the vital lighting functions. They also provide a wire for a ground connection.
Each component ought to be set and connected with different parts in particular manner. This short video is about trailer brakes electric brakes and wiring. The four wires control the turn signals brake lights and taillights or running lights. Trailer wiring diagrams trailer wiring connectors. It also talks about electric brake controller. An auxiliary circuit can also be used on a single or double axle trailer.
Use this 7 pin trailer wiring diagram to properly wire your 7 pin trailer plug.