How do you change the headlight on a 99 Tahoe?

To change the headlight on a 1999 Tahoe, first, open the hood and locate the headlight assembly. Remove the two retaining screws or clips holding the headlight in place, then gently pull the headlight out. Disconnect the wiring harness from the back of the headlight, replace the old bulb with a new one, and reassemble by reversing the steps, ensuring everything is securely fastened. Finally, test the new headlight to ensure it's working properly.