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Shane: The guys. Shane here with etrailer.com. Today, I have a 2019 GMC Acadia and I want to walk through how to install Demco's Stay-IN-Play Duo Supplemental Braking System, This braking system is going to be a proportional braking system, which means it's going to match the braking pressure that you've put in the RV. This braking system is going to… see more >
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