Your search for "10-inch-electric-brake" revealed the following:
What Trailer Brake Assembly Do I Need?
Trailer brake assemblies are not selected by diameter alone. Two backing plates can look nearly identical and still be incompatible because of shoe width, axle rating, mounting flange, left/right orientation, adjustment style, drum size, or brake type. Match the system, not the appearance. Start with the brake dimensions and axle...
Repair the Wire or Rewire the Trailer? How to Know When You’re Done Patching
One bad trailer connection does not automatically mean the trailer needs to be rewired. But there is also a point where replacing another corroded connector, twisting together another broken wire, or chasing another intermittent light stops being a repair strategy. The question is not “Can this wire be patched?” The...