Usuario pregunta si cableado ya está en lugar.
"Assume it's wired there... breaker panel may even say so. But pull down headliner & look along framing for hole for wire or even from outside, or maybe a plate/cap next to vent, then you'll know for sure."
Instalación requiere: tirar cable #10 AWG desde panel breakers → orificio techo (difícil en paredes RV), instalar breaker 20-30 A, caja conexión techo, termostato, cableado 12 V control. Considere instalador RV profesional.