Help

[CaptJerry]

I have a 2005 Holiday Rambler savoy fifth wheel it has has a monitor showing 3 tanks tank 1 is black water tank two is shower and sink tank three is galley. Tank three is full and water in sink will not drain. I found two drains out side. Yet all the material shows three drains how do I drain tank three?

 

[Oregon Camper]

I have a 2005 Holiday Rambler savoy fifth wheel it has has a monitor showing 3 tanks tank 1 is black water tank two is shower and sink tank three is galley. Tank three is full and water in sink will not drain. I found two drains out side. Yet all the material shows three drains how do I drain tank three?

My old 5er had another gray tank
dump valve sticking out by the rear axle.

 

[team bradfield]

I had a 5'r with the galley dump up under the front axel, dealer had no idea it was there, keep looking, it's somewhere