Wire Connections for Installing Trailer Brake Controller on 2016 Ford F-150 with Factory 4-Way

Question:

I dont have a red wire on my harness. Im struggling with how to connect the additional three wires outside of the four plug. # 37185

asked by: Josh E

Expert Reply:

If you are needing to install a trailer brake controller and your F-150 has just the factory 4-flat connector, you will need to install the Wiring Kit # 5506 since you already have the Hopkins Adapter # 37185. This will include everything that is needed to install the brake controller and connect the additional wires for the 7-way connector that is needed. I have attached the installation details and a helpful video demonstration for you to review.

The additional wires referenced in your question may not match up color to color with the OEM harness in your 2016 Ford F-150. The white wire from the Hopkins Adapter is the ground wire, the blue wire is for brake, the black is the hot lead/12V power wire and the purple wire is for auxiliary.

I recommend testing the wires in your F-150 for function using a circuit tester like # PTW2993. Based on my research, it looks like the brake switch wire in your F-150 may be a purple and white wire.

I have also attached a helpful brake controller installation article for you to look at.

expert reply by: Chris R