Check the fuses first, and if that’s not the problem take the truck to an independent mechanic and get another estimate.
The labor is what makes it cost $800. That and the fact that you got the price from a dealer. Sometimes you can reach the back of the instrument cluster and replace the bulbs, but it’s more likely the cluster has to be removed from the dashboard, and often the first step in that process is “remove steering wheel.”
As far as I know General Motors engineers don’t design Ford F150 trucks.
A service manual would tell you how complicated this is, and then you could decide if it’s a DIY or not.