Welcome to the forum! Wall thermostat or dial type thermostat on the A/C itself? Have you confirmed power up to the A/C unit? Checked/reset circuit breakers?
2006 23B Hybrid with 10k round bar WDH
2011 F150 4x4 SCREW Ecoboost, Max Tow, Integrated TBC, 3.73 LS axle, Firestone Ride Rite airbags.