12-1/4x4 10K Electric Trailer Brake Set for Dexter K23-438-00/K23-439-00

OE/Part number23-438，23-439，K23-438-00, K23-439-00，023-438-00 ， 023-439-00， BK-10KHDE-SETSpecificationMaterial: IronPackage included1* Left handelectric brake assembly 1* Right Hand electric brake assemblyFeature1.Cast Backing Plate With 7 Hole Mount 2.Forward Self Adjusting (FSA) Electric Brake Assembly Keeps The Brake Adjusted 3.Completely Assembled & Ready To Install 4.Replaces Dexter Part Numbers: K23-438-00 & K23-439-00 5.There is a pair of lead wires attached to the brake magnet. One is ground and one is power. It doesn't matter which one you use in either location as long as they are attached properly