Proportional Trailer Brake Controller, Digital Electric Brake Control for 1-4...

Fits for 1 to 4 axle trailers Proportional Electronic Trailer Brake Controller

For 8507111 Electric Trailer Brake Controller Brakeman IV Digital Brake Control

Trailer Brake Controller w/1-3 Axles For Ford GM Chevy Dodge LED Display 90160

Proportional Electric Trailer Brake Controller 1-3 Axle RV Truck SUV Black