Knej29642ExplorerSep 01, 2015Second water hookup.... What is it for?Hello everyone. I'm new to rv'ing and just bought my first 5th wheel a month ago. While hooking everything up I noticed a second water hose connection. My freshwater connection and my holding tank spo...Show More
John_WayneExplorer IISep 01, 2015Hook it up after you drain the black tank turn it on if water comes out it's the tank flush.