If you hold the flush lever open, you should be able to see the tank location. If itís straight down for 16Ē or 18Ē. Itís directly under. If there is a curved pipe, then itís offset.
Likewise, itís at the other end of the black water drain pipe.
2006 Gulf Stream Friendship G7
350 Cat, Crusier Lift w/ Honda VTX
Blue Ox and 2019 Chevy Blazer RS AWD V6