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Finding Hole for Air Line for Roadmaster BrakeMaster on GMC Terrain


For the Roadmaster supplemental braking system where do you find the hole in the dash to run the air line through? 2016 GMC Terrain


Expert Reply:

To install the Roadmaster BrakeMaster System w BrakeAway for RVs w Air or Air Over Hydraulic Brakes # RM-9160 through the hole in your dash you'd need to find a hole in the dash by getting up under it and looking. I wish I could be more specific but we haven't had the chance to install this on a Terrain so I can't. Another option might be to drill hole in the firewall.

expert reply by:
Jameson C

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