I have lost power to both my dash AC/Heat fans as well as the two metal defrost fans in the corner of the dash.

Does anyone know where they are powered from?

I of course bought this used and do not have any electrical drawings or schematics.

I have a 1990 Regency 34ft Wide Body.

In my Barth Regency, the 12 volt circuit breakers are under the bed in the rear. There is also an electrical panel on the outside front left basement door.