How do you replace a 1991 Toyota truck headlight?

To replace a headlight on a 1991 Toyota truck, start by opening the hood and locating the headlight assembly. Disconnect the power connector from the back of the headlight and remove the retaining clips or screws holding the assembly in place. Carefully pull out the old headlight and replace it with the new one, ensuring it is securely in place. Finally, reconnect the power connector and test the headlight before closing the hood.