Also new to DP and I was told that while backing it dumps the air so there is no downward force that could render the rear drive wheels useless. Think backing up over a curb and tag lifts rear duals off the ground.
Mine has a switch for manual and auto. I leave it in auto and when I select reverse it automatically dumps the air. When I select drive, the tag begins to air up again.
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Tom and Gloria 2022 Newmar Dutch Star 4081, TOAD: 2017 Buick Enclave/2023 GMC Sierra Denali, Blue Ox Towbar, Baseplate and M&G Braking System
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