1997 Toyota Tacoma Owners Manual - Page 204

-Headlight bulbs 1. Open the hood. Unplug the connector. Remove the rubber cover. If the connector is tight, wiggle it. 2. Release the bulb retaining spring and remove the bulb. Install a new bulb and the bulb retaining spring. To install a bulb, align the tabs of the bulb with the cutouts of the mounting hole. 3. Install the rubber cover with the "TOP" mark upward and snuggle on the boss. Then inset the connector. Make sure the rubber cover fits snugly on the connector and the headlight body. Aiming is not necessary after replacing the bulb. When aiming adjustment is necessary, contact your Toyota dealer. 199