Thanks, look forward to the pics.
A little of topic.........,
The following pic was taken from the rear of my 24RBS (slide motor access) and a fresh water tank can be seen toward the front of the TT. The water line (hose) running to the tank along the frame originates at the pump. From the slide motor access panel it doesn't provide any clear view of any fresh water tank(s) connections.
Hope your issue is a simple loose connection that is reachable.
Bob
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2016 GM 2500HD 6.0L/4.10
2018 Jay Flight 24RBS
2002 GM 2500HD 6.0L/4:10 (retired)
2005 Jayco Eagle 278FBS (retired)
1999 Jayco Eagle 246FB (retired)
Reese HP Dual Cam (Strait-Line)