Do you mean converter, 110 VAC to 12 VDC. Inverter, 12 VDC to 110 VAC. Anyway, most converters that I know of are under the fridge or in the battery compartment. Look for the breaker box or fuse panel behind a single or double door. Might be installed behind the panel. Good luck.
1997 Triple E Empress, Freightliner Chassis, CAT 3126 w/ 275 horse's.
MD 3600 Tranny, 2011 Ford Escape Hybrid w/Blue Ox tow bar and Roadmaster Base Plate.
Amsoil Synthetic Oil only for my baby.