Changing the headlight assembly in your Toyota Tacoma pickup requires the removal of the lights and grill around the headlights, but it can be accomplished with a few hand tools. The headlight assemblies are a composite material that houses a halogen bulb to illuminate the road and areas in front of the truck. If the assembly is damaged, the bulb life can be shortened by moisture or debris entering the assembly. The headlight assemblies may also need to be changed if they are discolored or heavily scratched.
Open the hood of your Tacoma and support it with the prop rod. Locate the three screws that retain the side marker lights. There are two screws in the lens and one on the top of the light. Remove all three with a screwdriver.