VEVOR Trailer Hub Drum Kits 8 on 6.5" B.C. with 12" x 2" Electric Brakes, Self-Adjusting Trailer Brake Assembly for 7000 lbs Axle, 5-Hole Mounting, Backing Plates for Brake System Part Replacement
Is the wiring for the electric brakes specific on how to wire the brake assembly? Does it matter what wire connects to the wires coming off the assembly if you are replacing an existing brake assembly? Are the wires reversible?