Vintage Kelsey-Hayes trailer brake controller under-dash mount

Hayes Energize III Proportional Electronic Trailer Brake Controller

Hayes Towing Electronics 81725 Synchronizer Trailer Brake Controller

Hayes Trailer Brake Controller Synchronizer

Vintage Kelsey-Hayes Trailer Brake Controller Unknown Condition Untested

Hayes Engage Electronic Trailer Brake Controller

HAYES 81770 DIGITAL BRAKE CONTROLLER 12V BRAND NEW!

Hayes Towing Electronics 81790 Genesis Trailer Brake Controller