![Trailer brakes, two green wires: does it matter which gets positive? Bought a used trailer, my stuff and everything online is just two green wires coming out of the (electric) brakes. : Trailer brakes, two green wires: does it matter which gets positive? Bought a used trailer, my stuff and everything online is just two green wires coming out of the (electric) brakes. :](https://i.redd.it/821xivwc7r551.jpg)
Trailer brakes, two green wires: does it matter which gets positive? Bought a used trailer, my stuff and everything online is just two green wires coming out of the (electric) brakes. :
![10k Dexter Trailer Axle - 10000 lb Electric Brake 8 lug (With Springs and Ubolts) | Axles | The Trailer Parts Outlet 10k Dexter Trailer Axle - 10000 lb Electric Brake 8 lug (With Springs and Ubolts) | Axles | The Trailer Parts Outlet](https://thetrailerpartsoutlet.com/cdn/shop/files/10EBDXSPRUNG7446-face.jpg?v=1685048791&width=1445)
10k Dexter Trailer Axle - 10000 lb Electric Brake 8 lug (With Springs and Ubolts) | Axles | The Trailer Parts Outlet
![Amazon.com: M-Parts Electric Trailer Brakes Right Hand Side 10" x 2-1/4" Assembly for 3,500-lbs Capacity Axle, Trailer Brake Kit, Electric Trailer Brakes 1 x Right Side (77-10-2) : Automotive Amazon.com: M-Parts Electric Trailer Brakes Right Hand Side 10" x 2-1/4" Assembly for 3,500-lbs Capacity Axle, Trailer Brake Kit, Electric Trailer Brakes 1 x Right Side (77-10-2) : Automotive](https://m.media-amazon.com/images/I/71Iq6y2QWvL.jpg)