2004 Nissan Frontier Owner's Manual - Page 240

Removing the headlight bulb 1. Open the hood. 2. Disconnect the negative (-) battery cable. 3. Disconnect the electrical connector from the rear end of the bulb. 4. Turn the bulb retaining ring counterclockwise until it is free form the headlight reflector and then remove it A . 5. Carefully remove the headlight bulb. Do not shake or rotate the bulb when removing it B. Adjusting the headlight aim If the headlights need aiming adjustment, please see a NISSAN dealer. FOG LIGHTS (if so equipped) Replacing the fog light bulb CAUTION ● High pressure halogen gas is sealed inside the halogen bulb. The bulb may break if the glass envelope is scratched or the bulb is dropped. ● When handling the bulb, do not touch the glass envelope. 1. Disconnect the negative (-) battery cable. Replacing the headlight bulb 1. Insert the bulb. DO NOT TOUCH THE BULB. 2. Install and tighten the bulb retainer. ● Be sure the lip of the bulb socket contacts the headlight body. 3. Push the electrical connector into the bulb plastic base until it snaps and stops. 4. Connect the negative (-) battery cable. 5. Close the hood. WDI0305 8-32 Maintenance and do-it-yourself