Chevy and GMC Duramax Diesel Forum banner

trailer brake controller

  1. Integrated (factory) trailer brake controller problem

    Towing & Hauling
    Hey I’m new to the site. I have had several duramax trucks from 05 2500 to 12 2500. We use these trucks as a pice of equipment. So I hate to say they all get ran hard. We use them to move our tractors around they always are pulling a trailer. I always try to do all repairs my self. My 09...