Silverado-owner

Thanks in advance to anyone that helps. I start work early at 5am and I drive all day until 2pm, at around 1pm the temperature starts to going up from the normal 210 all day, then I check the fans and the one on the driver side (I’m guessing it’s the radiator fan) it shuts off, keep in mind I live in Phoenix so it’s been 115f for the past 2 months. I have replaced: thermostat, relays, fuses, water pump, both fans twice because I thought the first set was defective, hoses and last the radiator. As you can imagine I’m out of ideas of what to replace next because from 5am to 1pm both fans and the truck works fine so anything helps, thank you for your time.