Blazer 2019 - change rear license plate bulbs

That depends on your vehicle, but if you have a car, you can remove the screws holding the existing plate to the vehicle followed by loosening the wires that are fitted in rubber covers. Once they're loose, gently lift them out of their holders. Keeping track of which wire goes where is important because when installing, tighten each one until it clicks in its respective hole for security before putting in any wayward wires.