7 Pin Round Trailer Wiring Diagram With Brakes. Hopkins trailer plug / adapter prevent the need to rewire a vehicle or trailer when the connector styles do not match. Not sure which wires attach to what on your trailer connectors?
Endurance™ Flex Adapters provide for greater flexibility and protection from daily use. The wife and kids stare daggers into your head as you curse your way through hours of agonizing wiring mishaps. "Trailer Wiring Diagrams." "Trailer Wiring for the Do-It-Yourselfer." trailerwiring.com. Trailer wiring can be difficult to get your head around.
Australian Plug and Socket Wiring Diagrams.
It can be used to connect the taillights, brake lights, reverse lights My professionally made trailer by Double A trailers used different locations for wires - so get your wiring diagram from the trailer manufacturer or test to.
I put this here because I had a hard time finding and figuring this out for my trailers. The blue wire is usually the electric brake wire that hooks up to your electric brake controller inside of the cab. Not sure which wires attach to what on your trailer connectors?