voltage for electric jack

[maznblu]

The electric tongue jack on my '77 Sovereign works only with 110v. Over the winter I had forgotten this and was frustrated when I plugged the umbilical in from the truck and couldn't get the jack to work.

Is there a way to wire the jack so that it works with either 12v or 110?

Thanks.
Eugenie

[74Argosy24MH]

Are you absolutely certain it is 120v? Does it have a regular 3 prong house plug on a cord?

John

[RichardT]

"Is there a way to wire the jack so that it works with either 12v or 110?"

actually it is only working on 12 volts, supplied thru the converter from 110v
you have a dead battery or are not wired correctly ,
no jack is 110v only 12 volts

[Navigator]

Wired correctly, it should work from either the tow vehicle, or the coach 12V system.