I tried to look but that is a blind hole on my LJ. I can see the vacuum line going under the battery but cannot see where it attaches to resivoir.
I had to use a mirror to look under mine. If I remember correctly I had to zip tie it, as it had wiggled loose. It's been years, no issues.
Moab trails I've done: Onion Creek, Dome Plateau, Top Of The World, Fins-N-Things, Poison Spider, Golden Spike, Gold Bar Rim,
Hell's Revenge (w/Hell's Gate, Escalator, and Tip Over Challenge), Cliff Hanger, Moab Rim, Kane Creek Canyon, Strike Ravine, Metal Masher, 7 Mile Rim, 3D, Mash Potato, Pritchett Canyon, Behind The Rocks, Steel Bender.