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  1. Towing & Hauling
    I’ve had the truck for four years. The first three, the trailer brakes worked perfectly. I’ve had “service trailer brake system” on the DIC for months now. After research, I’ve seen most have found success with replacing a fuse or replacing the relay. Ive replaced the fuses, I’ve replaced the...
  2. Towing & Hauling
    Hoping some of you might have some ideas as I am left scratching my head... To note - I am by no means an electrical engineer but pretty technology inclined, so if you wouldn't mind explaining it like I am 5 it would be appreciated. My Rig: 2021 3121RL Legacy with a 2021 Chevy Silverado...
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