1999 Ford Mustang Owner Guide 1st Printing - Page 171
1999 Ford Mustang Manual
Page 171 highlights
Maintenance and care Replacing headlamp bulbs Handle a halogen headlamp bulb carefully and keep out of children's reach. Grasp the bulb only by its plastic base and do not touch the glass. The oil from your hand could cause the bulb to break the next time the headlamps are operated. To remove the headlamp bulb: 1. Make sure headlamp switch is in OFF position, then open the hood. 2. At the back of the headlamp, pull two retainer pins up to release the headlamp assembly. 3. Pull headlamp assembly forward disengaging the lamp from the rear hidden snap retainers to expose the back of the bulb. 4. Release clip and disconnect the electrical connector from the bulb. 5. Remove the bulb retaining ring by rotating it counterclockwise (when viewed from the rear) about 1⁄4 turn to free it from the bulb socket, and slide the ring off the plastic base. Keep the ring to retain the new bulb. 6. Without turning, remove the old bulb from the lamp assembly by gently pulling it straight out of the lamp assembly. 171