7 Pin Trailer Wiring Diagram With Breakaway. Let me know what you find and we can go from there. Inspect the trailers 7-Way itself for any corrosion that needs to be cleaned out and then inspect the wiring leading back to the brake assemblies.
Trailer Wiring Diagrams Trailer Wiring Connectors 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. 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. Small 7 Pin Round QLD Identifying.
If the 7-Way tested normal then something is going on with the wiring on the trailer side.
Let me know what you find and we can go from there. It shows the components of the circuit as streamlined shapes and the power and also signal connections in between the devices. If not the arrangement will not function as it ought to be. White Pin to your ground.
