Before a trip, make sure the glide plate is: Question Before a trip, make sure the glide plate is: Answers Detached from the vehicle. Far from the upper fifth wheel. Securely mounted to the trailer frame. Explanation It is important to always perform a thorough pre-trip inspection before beginning a drive. When inspecting the upper fifth wheel, the glide plate should be securely mounted to the trailer frame. This questions appears in the following tests: Virginia Double Wisconsin Double