anyone know where the fuse box is? i have no dc power inside or to the lift motor or power jack. Batt is good.

The first place to look is at the breakers in the pump/battery compartment. One is for the lift pump and the other is for the rest of the trailer. Depending on the particular breaker, there could be a reset button on the side. Other breakers are the automatic reset type. They are probably 30 amp. Look like this:circuit breakers 12 volt to 48 volt heavy duty dc circuit Protection 10 to 300 amp.

You should check with a test light or multi-meter to see if you have any power on either side.

Check you battery connections first then start moving back the wiring toward the converter and fuses. The fuses and converter should be somewhere close to where the 120 volt power cable enters the trailer.

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My Great Wife Joyce
2018 Jayco Jay Flight 21QB
Formerly owned 1705T and 2310H
2012 F150 4X4 SuperCrew EcoBoost w/Leer Cap
Reese WD Strait-Line Hitch
Amateur Radio K3EXU

We have a circuit breaker panel under our stove (behind a wood door), and a fuse box in the back bedroom (also behind a door).

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Elaine and Bill Stevenson
Former HiLo-Classic 310S
2011 Toyota Sequoia

Have you found the problem with your DC power loss ?

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Jim L & Faye
2805C
2003 Silvarado diesel crew cab
2017 Silvarado, crew cab 1500 6.2L gas w/ 8 speed tranny
central VA

Don't know about your 31 footer, but my 1999 21T had an inline fuse in the battery box which had a single battery. If it blew, which it did, all power was gone.

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Fantastic Wife
2005 Toyota Tundra V-8 4.7L
2705T Tow Lite
1999 21T Tow Lite

You may have a problem with the power switch that's next to the raising/lowering switch. Switch it back and forth a few times and see if that helps.

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Raul

2408T
2010 Nissan Frontier, 4x4, Crew Cab

Raul is correct about the master power switch If you have one. On my 2805C there is also a fuse behind the switch but I am not sure what circuit it controls. That fuse is not on my electrical diagram.

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Jim L & Faye
2805C
2003 Silvarado diesel crew cab
2017 Silvarado, crew cab 1500 6.2L gas w/ 8 speed tranny
central VA