power inverter

Here me out. I have a 21 f150 w/ 2.7 EB that has a 400w inverter for the dash outlet, center console outlet, and bed outlet. When I turn on the truck, if the ambient light sensor is covered and the lights are on, dark dash etc., the inverter works. This is true for day time as well, as long...

I purchased this truck June 2022. Truck has been parked at Ford dealership for 3 weeks now and counting. In July, the power inverter stopped working. When you start the truck, the yellow light flashes once (will immediately charge a phone) and then goes off. The inverter was not overloaded as...